SYNTHETIC COMMUNICATION

VOL . 29 , NO. 2 , 1999


Oxidation of Alcohols by Silica Gel-Supported (Trimethyl)
Chromate Under Microwave Irradiation without Solvent . . . . . . 163
M, M. Heravi, D. Ajami, and K. Tabar-Heydar

N,N-Dibenzyl Formamide Dimethyl Acetal and N,N-Dibenzyl
Chloromethylenelmimum Chloride: Two Complementary
Reagents for the Protection of Primary Amines as N,N-
Dibenzyl Formamidines.................................................................. 167
S, Vincent, L. Lebeau, and C. Mioskowski

Otidcot Synthesis of 4-Methyl-l,10-phenanthroline Starting
Aroro 8-Aminolepidine ........................................................... 175
S. Luiun, E. Guichard, B. Hasiak, and D. Couturier

Mootniorillonite Clays Catalysis. IX. A Mild and Efficient Method
for Removal of Tetrahydropyranyl Ethers................................... 181
T.-S. Li, Z.-H. Zhang, and T.-S. Jin

Eoanuosclective Reduction of Ketones by In Situ Generated Borane
ud CBS Catalyst: Economical Alternative to BH3 . THF ..... 189
A. Ford and S. Woodward

Opucally Active 3-Amino-3-pyrrolidones by Reductive N-N-
Bood Cleavage of I-Pyrazolines Derived from (R)-3-Hydroxy-
butyric Acid............................................................................ 193
A. Banels andJ. Liebscher

Mercaptomethylation of Aromatics ................................. 201
T. Nakamura and M. Matsumoto

A Practical Synthesis of 3-Chloro-a-bromostyrene Starting from
3-Chloroethylbenzene........................................................ 211
K. Tanaka, A. Hosokawa, and Y. Tanigawa

Facile Formation of Samarium (HI) Selenolates from Potassium
Iodide Catalyzed Reaction of Samarium Metal and Diselenides,
and Their Application in Synthesis of Selenoesters. ................ 219
G. Lu and Y. Zhang

Synthesis of 2-[(Arylthio)methyl]- and 2-[(Alkylthio)methyl]-
resorcinols........................................................................... 227
H. Konishi, T. Inoue, K. Kobayashi, and 0. Monkawa

Allylation of Novel [3-Phenylthio Substituted gem-Difluoroallylic
Bromide to Carbonyi Compounds ..................................... 235
/. H. Jeong, M. S. Kirn, and B. T. Kirn

A Novel Réduction of P-Ketoester with Cp2TiCI2/i-PrMgBr System. . . . 243
Y. Yu and Y. Zhang

Synthesis of an Intermediate for (±)-Triptolide....................................... 249
A. K. Banerjee and J. A. Azocar

One Pot Synthesis of Acetylated Homoallyl Alcohols .......................... 257
S. Chandrasekhar, P. K. Mohanty, and A. Raw

Synthesis of Piperamides and New Analogues from Natural
Safrole............................................................................................. 263
J. X. de Araûjo-Jûnior, E. J. Barreiro, J. P. Parente, and
C. A. M. Fraga

Microporous Solids for the Selective Bromination of a Diterpene
Resin Acid................................................................................ 275
M. A. Esteves, N. Narender, B. Gigante, M. J. Marcelo-Curto,
and F. Alvarez

The Zincke's Reaction: A New Alternative for the Préparation
of l-[2-(3-lndol)ethyl]alkylpyridinium Chloride Derivatives. ........ 281
D. Gnecco, J. Juârel, A. Galindo, C. Marawno, and
R. G. Enriquez

A New Route for the Synthesis of 2-Mercapto Benzimidazoles........ 289
N. Baba Ambati, V. N. S. Ramesh Baba, V. Anand, and
P.Hanumanthu

Practical Réduction of Carbonyi Compounds with NaBH4 and
Silica Gel in an Aprotic Solvent .......................................................295
S. Yakabe, M. Hirano, and T. Morimoto
Designcr Ligands. n. Synthesis of Novel, Dithiadicarboxamiue
ligands.................................................................................................... 303
J. P. Hagenulnn and P. T. Kaye

Synthesis of Mono- and Disubstituted IH-lmidazo[l,2-b]pyrazoles . . . . 311
P. Seneci, M. Nicola, M. Inglesi, E. Vanotti, and G. Resnati

A Facile One-Step Synthesis of Ethyl 2-(l,l-Dialkyl and Aryl-
methyl) Malonates......................................................................................... 343
y. M. Kirn, T. W. Kwon, S. K. Chung, and M. B. Smith

SYNTHETIC COMMUNICATIONS

Volume 29, Number 4, 1999

Graphical Abstracts....................................................................... vii
Contributors to This Issue .............................................................. xv

An Advantageous Synthesis of5,6,7,8-Tetrahydrotetrazolo[l,5-a]-
pyridines............................................................................................. 551
S. VonhoffandA. Vasella

Regioselective Azidolysis of Epoxides Catalyzed with Ce(IV) ......... 561
N. Iranpoor and F. Kazemi

A Catalytic Enantioselective Synthesis of Antidepressant Tranyi-
cypromine ............................................................................................. 567
F.-C. Shu and Q.'L. Zhou

Application of Microwave Irradiation Techniques for the Synthèses
of Cinnamic Acids by Doebner Condensation. ..................................... 573
A. K, Mitra, A, De, andN. Karchaudhuri

s-Triazolopy^lphthalazines from I-Phthalazinylhydrazones by
Thianthrene Cation Radical Perchlorate ............................................ 583
K. H. Park, K. Jan. S. R. Shin, and S. W. Oh

Heck Reaction: Stereoselective Synthesis of Trisubstituted Olefins:
Useful Intermediates for Anthraquinone Carboxylic Acid Derivatives . . 591
A. Rama Devi and S. Rajaram

Mild Synthesis of (alpha)-Oxoketene O,N-Acetals from P-Oxothioxo
Esters and Amines. ...................................................................... 599
/. Furukawa, H. Fujisawa, T. Abe, and T. Ohta

Fe2(SO4)xH2O in Synthesis: A Convenient and Efficient Catalyst
for the Esterification of Aromatic Carboxylic Acids with Alcohols. . . . . 607
G .-S. Zhang

Synthesis, Characterization, and Crystal Structure of 1,5'bis-
(2-Hydroxybenzaldehyde)dithiocarbohydrazone................... 613
Y. Pen, R. Dai, L. Wang, andJ. Wu
New and Improved Syntheses of Arylazoxycyanides. ...............619
W. W. Wood, G. Kremp, T. Retry, and W. E. J. Simon

The Synthesis of 3-Cyclopentadienylidenecyclobutanone ............ 631
C. Wang, Z. Then, J. Zhao, and P. Do\vd

An Efficient Synthesis of6-Substituted 2-(2H-[l,2,4]Triazol-3-
ylmethyl)-l,2,3,4-tetrahydro-isoquînolmes.................................. 645
F. J. Urban and R. Breitenbach

A Facile Route to Pyrazolo[3,4-b]pyridines and [l]Benzopyrano-
[4',3'-e]pyrazolo[3,4-b]pyridines ........................................... 655
G. Sabitha, R. Srividya, B. Archana, and J. S, Yadav

Cyclohexanone Gem-Dicarboxylates—Versatile Intermediates
for Fused Heterocycles.................................................... 667
D. Bhaskar Reddy, M. V. Ramana Reddy, and V. Padmavathi

A New Method of Acylation and Formylation of Polycyclic
Aromatic Hydrocarbons................................................. 677
M. Penasamy, M. Rama Reddy, and P. Bharathi

Tandem Reduction Studies of Bromo Compounds Using
Tetrabutylammonium Borohydride............................ 685
5. Narasimhan, S. Swamalakshmi, R, Balakumar, and S. Velmathi

Efficient Hydrodehalogenation of Aryl Halides by Heterogenized
MCM-Silylamine PalladiumOD Catalyst ........................ 691
M. Lakshmi Kantam, À. Rahman, T. Bandy opadhyay, and
Y, Haritha

A Simple and Convenient Catalytic Procédure for the Préparation
of Dithioacetals.............................................................. 697
A, E. Graham

Synthèses of Lower-rim-l,3-crowned Calix[6]arenes and Their
Complexation Abilities Towards Cations ........................705
Y. Chen, J. Li, J. Xin, Z. Zhong, S. Gong, and X. Lu

RuCÏ2(PPh3)3 Catalyzed Isomerization of the Baylis-Hillman
Adducts.................................................................... 713
D. Basavaiah and K. Muthukumaran

New Synthesis ofTetrahydro-l,4-thiazme-3-ones from 1,2-Amino-
propanethiols and (alpha)-Chlorocarboxylic Acids ................721
A. M. Magerrarnov, A. M. Allakhverdiev, Z. 7. Akhmedova,
R. Caple, and V. V. Thdankin

Intramolecular Diels-Alder Reactions of 4H-Furo[3,4- b] indoles.
New Syntheses of Benzo[A]carbazoles and Benzofcjcarbazoles. .... 729
G. W. Gribble, R. A. Silva, andM. G. Saulnier

SYNTHETIC COMMUNICATIONS
Volume 29, Number 14, 1999

CONTENTS

Graphical Abstracts........................................ vii
Contributors to This Issue ................................... xv

A Practical Manufacturing Synthesis of l-(R)-Hydroxymethyl-
DTPA: An Important Intermediate in the Synthesis of MRI
Contrast Agents .......................................... 2377
J. C. Amedio, Jr., P. J. Bernard, M. Fountain, and
G. van Wagenen, Jr.

Facile Synthesis of (tO-Bromoalkyl)trimethylammonmm Bromides.. . .. 2393
R. A. Bartsch, W. Zhao, andZ.-Y. Zhang

Stereoselective Synthesis of (E)-Vinylsulfides via the Reaction of
Vinylzirconium Compounds with Disulfides...................... 2399
X. Huang, X.-H. Xu, and W.-X. Zheng

Oxidation of Benzyl Ethers via Phase Transfer Catalysis ............ 2405
J. H. Markgrafand B. Y. Choi

An Unusual Synthesis of Phthalaldehyde ........................ 2413
E. Wenkert and H. Khatuya

The Synthesis of New Bronchodilator Prodrugs .................. 2419
M. H. Adonis, F. Ameer, 1. R. Green, and J. A. Syce

A Simple Synthesis of2,6-Diamino-4-nitrotoluene ................. 2431
S. R. Eturi and S. lyer

Reaction of Aminobenzimidazolcs with 4-Hydroxy-6-methyl-2-
pyrone and 4-Hydroxycoumarine.............................. 2435
A. ElKihel, M. Benchidmi, E. M. Essassi, P. Bauchat, and
R. Danion-Bougot

Synthesis of New Chiral Macrocyclic Tetraoxo Polyamines Contain-
ing Pyridine Ring and Functional Arms......................... 2447
J You, X. Yu, C. Lilt. and R. Xie

Hypervalent Iodine in Synthesis. XXXIH. Palladium-Catalyzed
Cross-Coupling Reaction of Potassium Aryltrifluoroborates with
Diaryliodonium Salts and Hydroxy(tosyloxy)iodobenzene. ........... .....................................2457
M.XiaandZ.-C.Chen

BociO Mediated Macrolactonisation: Synthesis of R-(+)-Ricinoleic
Acid Lactone and (±)-12-OH-Stearic Acid Lactone ................ .........................................2467
M. Nagarajan

Palladium-Catalyzed Cross-Coupling Reaction of Stereodefined
Cyclopropylboronic Acids with N-Heterocycl Bromides.................................................... 2477
H. Ma, X. Wang, and M. Deng -

Amination of a,P-Unsaturated y-Dicarbonyl Compounds with
Mcthoxyamines........................................... .....................................................................2487
S. Seko and K. Miyake

Palladium-Catalyzed Cross-Coupling of Organolcad Compounds
with Hypervalent lodonium Salts............................. ........................................................2493
S.-K. Kang, S.-C. Choi, and T.-G. Baik

Magnesium-TindD Chloride Dihydrate: A New System for Chemo-
sclective Reduction of Aldehydes into Alcohols in the Presence of
Ketones, Ketalization of Ketones, and Dehalogenation of Benzyl
Halides.................................................. .......................................................................2501
M. Bordoloi, R. P. Sharma, and V. Chakraborty

Synthesis of a Novel Sugar Cyclotriveratrylene by Introduction of
O-Glycosyl Groups......................................... ............................................................2507
R. M. Tlwmas and D. S. lyengar

A Convenient Preparation of (25K,3,S)-3-Amino-2-hydroxy-4-phenyl-
butanoic Acid: An Important Peptide Bond Isostere............... .....................................2515
B. C. H. May and A. D. Abell

Highly Effective Oxidative Coupling of Thiols by Active Manganese
Dioxide (AMD) and Barium Manganate (BM) Under Solvent-free
Conditions at Room Temperature ............................. .................................................2527
H. Firouzabadi, M. Abbassi, and B. Karimi

Synthesis of Substituted 3-Aminocoumarins from Ethyl N-2-
Hydroxyarylideneglycinates ................................. .....................................................2533
L. E. Khoo
Synthesis of 2-Methylthio-4H-4-chromenones via Ketene Dithioacetal
in the One-Pot Reaction..................................... 2539
G. H. Lee and C. S. Pak

Benzotriazole-l-yl Alkyl Carbonate, a New Convenient and Inexpen-
sive Coupling Agent to Prepare an Active Ester for the Synthesis of
Amide.................................................. 2547
J. S. Lee, Y. S. Oh, J. K. Lim, W. Y. Yang, 1. H. Kirn, C. W. Lee,
Y. H. Chung, and S. J. Yoon

SYNTHETIC COMMUNICATIONS
Volume: 29, Number:15, 1999

Graphical Abstracts........................................................................................................ vii
Contributors to This Issue ................................... ........................................................... xv

Novel Synthesis and Enzymatic Resolution of (±)-2,3-Epoxy
Propyl Esters............................................. ....................................................................2559
R. V. Nair, P. N. Paul, and M. M. Salunkhe

Syntheses of 3,4-0-(l-Aryl-l-propylidene)-D-mannitol................................................... 2567
J. Yu, Y. Ha, Q. Huang, R. Ma, and S. Yang

A Mild and Selective Solid Phase Oxidation of Polythioether to
Octopus Polysulfoxide Using UHP Under Supersonic Wave............................................ 2575
C. Yang and W.-D. Yang

Microwave Induced Rate Enhancement in Aldol Condensation ........................................ 2583
G. L. Kad, K. P. Kaur, V. Singh, and J. Singh

Envirocat EPICR as a Novel Catalyst for Acylation of Anisole
Using Benzoic Acids......................................................................................................... 2587
B. P. Bandgar and V. S. Sadavarte

Trimethylammonium Chlorochromate Adsorbed on Alumina: An
Efficient and Convenient Reagent for the Oxidative Cleavage of
4-Phenylsemicarbazones and Semicarbazones to Their Parent
Carbonyl Compounds.......................................................................................................... 2591
H. Gong and G.-S. Zhang

A Convenient Solid-Phase Synthesis of N,2-t)iaryl Diazenecarbox-
amides................................................................................................................................. 2597
C. Wang, Y. Wang, X. Wang, X. Wang, H. Wang. andJ. Li

An Efficient Préparation of Silylated Derivatives of L-Erythrulose
3,4-O-Acctals....................................................................................... .............................. 2601
M. Carda, S. Rodrigue!., J. Murga, E. Falomir, J. A. Marco,
and H. Roper

A Simple and Convenient Method for Preparation of Sulfides ........ .........................................2611
M. Feroci, A. Inesi, andL. Rossi

A Facile Synthesis of 6-Substituted Benzimidazo[l,2-c]quinazolines
Under Microwave Irradiation ................................ .....................................................2617
M. S. Khajavi, K. Rad-Moghadam, and H. Hazarkhani

A Convenient Stereoselective Synthesis of Isoamcricanol A and
Isoamericanin A............................................................................................................ 2625
X. She, W. Gu, T. Wu, and X. Pan

Synthesis of Conjugated Diallenes by Double [2,3] -Sigmatropic
Rearrangement of Conjugated Diyne Trichloromethanesulfenates. . ............................... .. 2629
C. P. Raj and S. Braverman

An Expedient Synthesis of Allylic Polyprenyl Phosphates. ................................................ 2639
C. L. Branch, G. Barton, and S. F. Moss

Synthesis of Enantiomerically Pure Sulfenimines and Sulfinimines
Derived from (+)-Camphor. ............................................................................................ 2645
Y. Li, W. Zhu, Z. Cheng, and G. Yang

Synthesis of Fused Thioxo-Pyran Systems from alpha-Methylene
Carbonyl Compounds and Bismethylene-l,3-dithietanc..................................................... 2657
W. M. Abdou and Y. 0. Elkhoshnieh

A Convenient New Route to 4-Substituted Benzo[de][3,6]phenan-
throlm-6(6H)-ones: Important Intermediates m the Synthesis of
Ring-A Analogues of the Cytotoxic Marine Alkaloid Ascididemin . .. .................................... 2665
B. R. Copp, R. P. Hansen, D. R. Appleton, B. S. Lindsay,
C. J. Squire, G. R. Clark, and C. E. F. Rickard

Synthesis and Characterization of 2-Methylsulfonyl-4H-4-
chromenoncs.......................................................................................................................... 2677
G. H. Lee, S. J. Ha, and C. S. Pak

N-Boc and N-CBz Ethyl Oxamates: New Gabriel Reagents. ................................................. 2685
F. Berrée, J.-P. Ba^ureau, G. Michelot, and M. Le Corre

Palladium-Catalyzed Synthesis of p-Lactams via Carbonylative
Cycloaddition of Benzyl and Allyl Halides with Imincs ............ ..................................................2695
C. S. Cho, L. H. Jiang, and S. C. Shim

Microwave Thermolysis. Vil. Oxidative Coupling of Thiol
Acetates and Esters Using "Clayan" in Dry Media .................................................................... 2705
/•/. M. Meshram, A. Bandy opadhyay, G. S. Reddy, andJ. S. Yadav

Efficient Radical Coupling of Organobromides Using Dimanganese
Decacarbonyl............................................................................................................................ 2711
B. C. Gilbert, C. 1. Lindsay, P. T. McGrail, A. F. Parsons, and
D. T. E. Whittaker

Synthesis of C-Ring Hydroxylated Neoflavoiioids by Ligand
Coupling Reactions ....................................................................................................... 2719
D. M. X. Donnelly, J.-P. Finet, P. J. Guiry, andM. D. Rea

SYNTHETIC COMMUNICATIONS
Volume: 29, Number: 16, 1999

Graphical Abstracts........................................ vü
Contributors to This lssue ................................... xv

Solvent-Free Microwavc Enhanced Knoevenagel Condensation of
Ethyl Cyanoacetate with Aldehydes ..................................................... 2731
A. K. Mitra, A. De, andN. Karchaudhuri

Bismuth(III) Chloride: An Efficient and Selective Catalyst for
Deprotection of 1,1-Diacetates ................................................................... 2741
/. Mohammadpoor-Baltork and H. AUyan

Efficient Dehydration ofAldoximes to Nitriles with TiCL3(OTf) .................... 2747
N. Iranpoor and B. Zeynizadeh

Investigation of the Mitsunobu Reaction of N-(2-Hydroxyethyl)-N'-
phenyl-ureas ................................................................................................... 2753
T. H. Kim, G.-J. Lee, and M .-H. Cha

Formation of Benzo[b]indeno[2,l-d]furanone Ring System During
Alkylation of2-(2-Hydroxyaryl)-2-hydroxy-l»3-indanedione Deriva-
tives .................................................................................................................. 2759
H. N. Song, M. R. Seong, H. J. Lee, andJ. N. Kim

EfTicient Method for cc-lodination of Ketones. ................................................... 2769
J. C. Lee and Y. S. Jin

Solid-Liquid Phase Transfer Catalyzed Novel Glycosylation Reac-
tion of Phenols............................................ ..........................................................2775
M, Hongu, K. Saito, and K. Tsujihara

The Synthesis of Carboxylic Acids via an Aldol-Grob Reaction
Sequence................................................ 2783
G. W. Kabalka. N.-S. Li, D. Tejedor, R. R. Malladi, X. Gao, and
S. Trotman

Mo-ZrOi Solid Acid Catalyst for Synthesis of Substituted Diphenyl-
ureas................................................... ........................................................................2789
B. M. Reddy and V. R. Reddy
Free Radical Cyclizations of Triencs with tris(Trimethylsilyl)silane . . ........................ 2795
N. E. Restrepo-Sänche!., F. J. Gornei., L. M. Jammillo-Gomez,
and T. Hudlicky

Microwave Thermolysis. V. A Rapid and Sciective Method for
the Cleavage of THP Ethers, Acetals, and Acctonidcs Using Clay
Supported Ammomum Nitrate "Clayan" m Dry Media. .............................................. 2807
H. M. Meshram, G. Sumithrn, G. S. Reddy, Y. S. S. Ganesh, and
J. S. Yadav

A Convenient Synthesis of 1,4,7,10,13-Pentaazacyclopcntadccane . ................ .. 2817
Z. Kovacs, E. A. Archer, M. K. Russell, and A. D. Sherry

A Facile Preparation of Alkyl Azides from Alkyl Bromides and
Sodium Azide Using 18-Crown-6 Ether Doped Clay. .................................................. 2823
R. S. Varma, K. P. Naicker, andJ. Aschberger

An Improved Synthesis of Camphorquinone-3-oximc. .................................................. 2831
B. E. Love and E. G. Jones

Efficient Preparation of a Homoarginene Containing Peptide by
Direct Regiospecific Amidination of Lysine ..................................................................... 2841
N. H. Petousis, Z. Tian, K. W. Funk, and E. 0. Lundell

Synthesis of l-(5-Methylisoxazole-3-yl)-5-aryltctrazolcs and lts
Pyrolysis ................................................ ........................................................................2847
K. K. Vasu and K. Kondal Reddy

Hypervalent lodine in Synthesis. XXVIH. The Preparation and
Utility ofPolymcr-Supportcd Phenyliodine(III) Diacetate ........... .....................................2859
G.-P. WangandZ.-C. Chen

Hypervalent lodine in Synthesis. XXXV. A Simple and Conven-
ient Stereospecific Synthesis of Vinyl Esters of Dithiocarbamic
Acids................................................... ............................................................................2867
J. YanandZ.-C. Chen

Regioselective Deoxygenation of the Cyclic Thionocarbonates of
2,3-Dihydroxy Esters with Magnesium in Methanol. ........................................................... 2875
H.-S.RhoandB.-S. Ko

A Simple and Convenient Method for the Deprotection of Tetra-
hydropyranyl Ether Vsmg lodine in Methanol.................... .....................................................2881
K. S. Ramasamy, R. Bandaru, and D. Averett

Synthesis and Characterization of l-Hydroxy-2-methoxy-4-
(3-Propanoic Acid) Anthracene ............................................................................................ 2895
ü. L. Plourde, R. Priefer, and D. B. Llewellyn

Formation of l-Bcnzosubcroncs by Three-Carbon Ring Expansion
of Benzocylobutenoncs ...............................................................................2903
W. Zhang, R. Gorny, and P. Dowd

SYNTHETIC COMMUNICATIONS

Volume 29, Number 5, 1999


Slynthesis of new Geminal Surfactants ......................................... 749
O.RisT and P. H. J. Carlsen

Dtetercoselective Addition of lmidazolidin-2-one Controlled
EBolates to Activated Imines ............................................................... 755
G. H. P. Roos and S. Balasubramaniam

BenzimidazoUum Bromochromate—A New Reagent for Bromin-
•tion and Oxidation ............................................................................. 763
B, Ôzgun and N. Degirmenbasi

Thioacetalization of Carbonyl Compounds by Zeolite HSZ-360
as a New, Effective, Heterogeneous Catalyst ...................................... 767
R, Ballini, L. Barboni, R. Maggi, and G. Sartori

Optimization of Heying's Protocol of Ortho-Carboranyl Ethers.
Application to the Synthesis of Original Symmetrical Bola-
carboranes...................................................................................... 773
f. Garrigues and F. Nepveu

Wet Alumina Supported Chromium(VD Oxide: A Mild, Efficient,
and Inexpensive Reagent for Oxidative Deprotection of Trimethyl-
silyl and Tetrahydropyranyl Ethers in Solventless System .................... 781
M. M. Heravi, D. Ajami, and M. Ghassemzadeh

Chromium Trioxide on H-Y Zeolite: Rapid Oxidation of Alcohols
to Carbonyl Compounds in Solventless System Using Microv^aves. .. .. 785
M. Mirz^a-Aghayan and M. M. Heravi

•Sulihydrolysis of Acyl Ketene Dithioacetals: A Convenient
Synthesis of P-Oxodithioesters ............................................................ 791
S. K Nnir and C. V. Asokan



Mitsunobu N3-Alkylation of l,3,4-0xadiazol-2(3H)-ones ............799
A. Lochead, F. Galli, S. Jegham, A. Nedelec, and P. George

Synthesis of 1-Benzotriazolmethyl Phosphonate by Reaction of
Sodium Phosphite with l-(Chloromethyl)beiizotriazole ............... 803
X. Huang and H. Qian

Total Synthesis of Annofolin ...................................................809
G. Vallejos, B. K. Cassels, M. Caroli Revende, and S. Sepulveda

A Novel Route to 5,7-Dimethoxy-6-hydroxyflavone .................................. 815
M. Osorio-Olivares, B. K. Cassels, S. Sepûlveda-Boza,
and M. Caroli Revende

Convenient Préparations of the Three 2,3-Dihalo-l,4-ben20-
quinones................................................................................................ 821
D. Yu and D. L. Mattem

A Convenient One-Pot Synthesis of an Unsymmetrical Propane-
1,3-diamine BRL 61010A.................................................................. 827
R. P. Aîtrill, T. W. Ramsay, G. R. Slater, and P. Smith

Réduction of Sterically Hindered a,c(-Disubstituted Amino Esters. .. ..... 835
P. W. GlunzandD. H. Rich

An Unconventional Method for Purifying the N-Carboxyanhy-
dride Derivatives of (gama)-Alkyl-L-glutamates ................................ 843
D. S. Poché, M. J. Moore, andJ. L. Bowles

The Photochemical Synthesis of a,a,oc-Bromodifluorotoluene
and a,a,a-Chlorodifluorotoluene........................................................ 855
J. He and C. U. Pittman, Jr.

Conversion of Parthenin to Anhydroparthenin Using Microwave
Irradiation.....................................................................................863
B. Das and B. Venkataiah

Tetraorganogallate Complexes in Organic Chemistry: Michael
Addition to (alpha),(beta)-Unsaturated Compounds ....................867
Y. Han, Y.-Z. Huang, L. Fang, and W.-T. Tao

Synthesis of Novel Spiroisoxazolines Through 1,3-Dipolar Cyclo
addition of Nitrileoxides vnth (x-Methylene Cyclic Ketones ........877
H. M. Sampath Kumar, S. Anjaneyulu, and J. S. Yadav

Synthesis of /V-Substituted Azetidin-3-ones. ..............................885
A. P. Marchand and A. Devasagayaraj

A Convenient and Practical Synthesis of Coenzyme B12 Enriched
IN 23C fa the Cobalt-Bound Carbon ............................ 891
S. Cheng. E. Zang, and K. L. Brown

SYNTHETIC COMMUNICATIONS
Volume: 29, Number: 6, 1999

Graphical Abstracts vii

contributes to This Issue xv

Efficient and Chemoselective N-Nitrosation of Secondary Amines
Under Mild and Heterogeneous Conditions with Sodium Nitrite
and Oxalic Acid Two Hydrate. 905
M. A. Zolfigol

Cycloadition Reactions of N-Sulphinylanilines and N-(alpha-Cyano-
alpha-aryl methylanilines 911
K. K. Singal. B. Singh, and B. Raj

A Novtl One-Pot Synthesis of Esters by Exchange Reactions
.BetwEEN Carbonates and Anhydrides 917
C Bern. M. Colonna, E. Marianucci, B. Sweileh, and
F. P. ilati

An Effcient Large Scale Synthesis of Coumarins by a Dealkylative
Boron-Mediated Ring Closure of 3-(0rtho-methoxyaryl)propenoic
Esters 929
T. Dubtiffet, A. Loutz., and G. Lavielle

. A Facil Method for the Conversion of Oximes and Tosylhydrazones
to Carbonyl Compounds with Dess-Martin Periodinane 937
D. S, Bose and A. V. Narsaiah

Synthesis of an Fmoc N-Methyl IH-Pyrrole Amino Acid Penta-
fluoro phenol Ester 943
B. Konig and M. Rodel

Restosclective Synthesis of Sugar Esters Without Catalyst Using
alpha-Hydroxycarboxylic Acid 951
R. Bromann. B. Konig, andL. Fischer

Synthcas of 1,3-Dinitrotetrahydropyrimidines 959
J.M.. Bakke and J. Riha

Ultrasound Promoted Synthesis of alpha,alpha'-bis(Substituted Fur-
furyhdene) Cycloalkanones and ChaJcones. 965
J.-T. Li, G.-F. Chen, J.-X. Wang, and T.-S. Li

Dealkylation ofAlkyl and AryJ Ethers with AlCl3-Nal in the
Absence of Solvent 973
M. GhiaciandJ.Asghari

StereoseJective Synthesis of2-Ethylidene-3-aminonitriles 981
S. Hbaieb, Z. Latiri, and H. Amri

Efficient Syntheses of N-Alkiyl-3-hydroxy-2-methyl-4(1H)-pyri-
dinones from Carbohydrate Precursors 989
R.. C. Fox and P. D. Toylor

Convenient Synthesis of Chloromethyl Thioaromatics 1003
K. Ramadas and N. Janarthanan

Direct Oxidative Deprotection of Trimethylsilyl Ethers to Their
Corresponding Carbonyl Compounds with (Trimethylsilyl)
Chromate Supported onto Silica Gel in Aprotic Solvent. 1009
M. M. Heravi, D. Ajami, and K. Tabar-Heydar

Solvent Free Tetrahydropyranylation of Alcohols and Phenols
over Sulfuric Acid Adsorbed on Silica Gel 1013
M. M. Heravi, D. Ajami, andM. Ghasseimadeh

TiCl3(OTf) and TiO(TFA)2 Efficient Catalysts for Ring Opening
ofEpoxides with Alcohols, Acetic Acid, and Water 1017
N. iranpoor and B. Zeynkadeh

FMOC-N-ALLyl Glycine Derived N-ALLyl-2,5-diketopiperazines. 1025
B. Schmidt and G. R. Patzke

Rapid and Inexpensive Method for Reduction ofNitroarenes to
Anilines 1033
D.. G. Desai, S. S. Swami, andS. B. Hapase

A New Way to Prepare Grignard Reagent from RX (X = CI,Br)
Using the Mixture ofBrCHzCHiBr and 1; as an Initiator 1037
J, Li, X, Liao, H. Liu, Q. Xie, Z. Liu, and X. He

Symmetrically I, I '-DisubstitutedFerrocenes: Preparation
of DianUnes and Bisdithiocarbamates 1041
P. Giboreau and C, Morin

Tetrabutylammonium Peroxydisulfate in Organic Synthesis. IV.
An Efficient, Highly Selective, and Oxidative Deoximation by
Tetrabutylammonium Peroxydislilfate 1049
Chen, A. Liu, Q. Van, M. Liu, D. Zhang. andL. Shao

Zinc Chloride Doped Natural Phosphate as 1,3-Dipolar Cyclo-
addition Catalyst 1057
H. B. Layek, A. Rochdi, Y. Kabbaj, M. Taourirte, and
S.Sebti
____________________________________

SYNTHETIC COMMUNICATIONS
Volume: 29, Number; 7, 1999

Graphical Abstracts........................................ vii
Contributors to This Issue ................................... xv

Diastereoselective Addition of Organomagnesium Reagents to
17beta-TBDMS-Dihydrotestosterone............................. 1065
B. T. Ngatcha and D. Poirier

On the Synthesis of Dibenzohomobarrelenes ..................... 1075
A. E.-W. A. 0. Sarhan

Preparation of Diadducts from Dienes and Dihalocarbenes.
A General Sonochemical Method.............................. 1087
T. Didriksen and L. Skattebol

Manganese-Promoted, Titanocene-Catalyzed Stereoselective Pinacol
Coupling of Aldehydes...................................... 1097
M. S. Dunlap and K. M. Nicholas

An Efficient Synthesis of Eudesmanolide Sesquiterpenoids Possessing
(i-Methoxymethyl Butenolide and Butadienolide .................. 1107
L. Sun, W. Xia, H. Guo, Y. Tu, D. Wu, X. Luo, Y. Ma, M. Qiu,
and X. Hao

Microwave Thermolysis. VI. A Rapid and General Method for
Dethioacetalization Using "Clayan" in Dry Media................. 1113
H. M. Meshram, G. S. Reddy, G. Sumitra, and J. S. Yadav

Ring Opening of Oxiranes Catalyzed by Mn-Salen Immobilized
Mesoporous Materials...................................... 1121
M. Lakshmi Kantam, B. M. Choudary, and B. Bharathi

Propanolysis of Esters Using Chlorotrimethylsilane ................ 1129
J. Eras, M. Llovera, X. Ferran, and R. Canela

Oxygenated Dihydrophenanthrenes via Quinol Acetals: A Brief
Synthesis of Orchinol....................................... 1135
T. J. Broering and G. W. Morrow

Expedient Synthesis of a-Substituted alpha,beta-Unsaturated gama-Amino
Acids (Dipeptide Mimetics); Wittig Reaction of alpha-Amino Aldehydes
with alpha-Substituted Alkoxycarbonyl Phosphoranes ................. 1143
D. Schok, S. Weber-Roth, E. Macoratti, and E. Francotte

Substitution Reaction of Nitro Group on alpha-Nitrostyrene by Organo-
zinc Halides Under Microwave Irradiation ...................... 1157
Y. Hu, J. Yu, S. Yang, J.-X. Wang, and Y. Yin

The Cleavage of p-Nitrophenylhydrazones and Semicarbazones
with Ammonium Chlorochromate Adsorbed on Alumina Under
Non-aqueous Conditions .................................... 1165
G.-S. Zhang, H. Gong, D.-H. Yang, andM.-F. Chen

New Facile Synthesis of 2-Aryloxy-4H-imidazolin-4-ones via Base
Catalytic Reactions of Phenols with Functionalized Carbodiimides . . . . 1171
M.-W. Ding, Z.-F. Xu, and T.-J. Wu

Cerium Dioxide Catalyzed Oxidation of Alkylbenzenes with Sodium
Bromate................................................. 1177
Q.-Z. Shi, J.-G. Wang, andK. Cai

Haloetherification of Alkenylboronic Esters as a New Route to alpha
Halo Boronic Esters ........................................ 1183
S. Baba, F. Leroy, C. Le Coaster, A. Jegou, and B. Carboni

Fries Rearrangement at Atmospheric Pressure Using Microwave
Irradiation............................................... 1195
B. M. Khadilkar and V. R. Madyar

Nitration of Electron-Rich Aromatic Compounds by Cerium
Ammonium Nitrate Coated on Silica ........................... 1201
J.-L. Grenier, J.-P. Catteau, and P. Cotelle

Lewis Acid-Induced Synthesis of Octamethoxyresorcarenes.......... 1209
W. lwanek and B. Syzdoi

Convenient and Efficient Synthesis for a Series of Ether bis-lmid-
azoles and Their Derivatives ..............................1217
C.-H. Zhou, X.-R. Gu, R.-G. Xie, and M .-S. Cai

RegiocontroUed Construction of Functionalized Spiro[4.4]nonanones
Through Mercury(U) Salt-Assisted and Acid-Induced Spiroannulation
Reactions .............................................1223
Y. Hashizurne, S. Maki, M. Ohashi, and H, Niwa

Mo-ZrO2 Solid Acid Catalyst for Transesterification of P-Ketoesters. . . 1235
B. M. Reddy, V. R. Reddy, and B. Manohar

A Facile Deamination of Aziridines Using N2O4 Under Very Mild
Conditions .................................... 1241
K. Lee and Y. H. Kirn

SYNTHETIC COMMUNICATIONS
Volume: 29, Number: 10, 1999

Graphical Abstracts........................................ vii
Contributors to This Issue ................................... xv

First Preparation of 5-Allyl-l,3-oxazolidme-2-thione (Napoleiferin),
a Natural Homolog of5-Vmyl-l,3-oxazolidine-2-tliione (Goitrin). . . .. 1627
L. Latxague and C. Gardrat

One Pot Synthesis of (±)/(S)-Atenolol and (±)/(S)-Propranolol
by Employing Polymer Supported Reagent ...................... 1639
S. V. Damle, P. N. Patil, and M. M. Salunkhe

Synthesis of2'-Ammo-3'-methoxyflavone (PD 98059). .............. 1645
S. Mahboobi and H. Pongratz

A Stereoselective Synthesis of Methyl trans-3-(2,2-Dichloroethenyl)-
2,2-dimethylcyclopropanecarboxylate .......................... 1653
/. Ma, R. Huang, J. Cheng, R. Shoo, and Z. Li

Synthesis of 1.3-Bisubstituted P-T-Butyl calix[4]crowns Containing
an Ethylene.............................................. 1661
P.-S. WangandR.-S.Lin

Sterically Hindered Phenanthrolines: Synthesis of 1,7,7-Trimethyl-
[2.2. l]bicycloheptano-[2,3-B]-l, IO-phenanthroline from
(+)-Camphor............................................. 1665
G. ChelucciandR. P. Thummel

Lipase PS-C Catalyzed Hydrolysis of Aryl Diesters: A New Route
to the Synthesis ofAchiral Half Esters ......................... 1671
R. V. Nair. M. R, Shukla, P. N. Patil, andM. M. Salunkhe

Stannous Chloride Dihydrate: A New Catalyst for the Tetrahydro-
pyranylation of Alcohols .................................... 1679
K. Joju Davis, U. T. Bhalerao, and B. Vittal Rao

Acid-Mediated Specific alpha,alpha-Diarylation and cc-Monoarylation
Reactions ofPyruYic Acid With/Without Decarbonylation. .......... 1687
N. Yone^awa, T. Hino, T. Kinuno, T. Matsuki, and T. Ikeda

Solid-Phase Synthesis of Oximes .............................. 1697
A. R. Hajipour, 1. Mohammadpoor-Baltork, K. Nikbaghat, and
G. Imanzadeh

The First Selective 2,6-Per-O-ciimamoylation of p-Cyclodextrin ...... 1703 I
K. Rama Rao, N. Bhanumathi, and L. Rajender Reddy

Chemistry of N-Heterocyclic Compounds. 1. Regioselective .
Synthesis of Macrocycles Containing 4-Amino-l,2,4-triazoles ........ 1711
M. S. Chande and S. S. Athalye

Active Manganese Dioxide Supported on Alumina................. 1719
R. Stavrescu, T. Kimura, M. Fujita, M. Vinatoru, and T. Ando

Direct Esterification of Poly (Ethylene Glycol) with Amino Acid
Hydrochlorides ........................................... 1727
B. S. Lele, M. A. Gore, andM. G. Kulkami

Thionyl Chloride-Benzotriazole: An Efficient System for Trans-
formation of Aldoximes to Nitriles ............................. 1741
S. S. Chaudhari and K. G. Akamanchi

An Improved Resolution of 2-Methyl Piperidine and Its Use in the
Synthesis of Homochiral r/ms-2,6-Dialkyl Piperidines .............. 1747
M. F. A. Adamo, V. K. Aggarwal, and M. A. Sage

A Convenient Route to Cyanoguanidines ........................ 1757
L. Novak, M. Hanania, P. Kovacs, C. E. Kovacs, P. Kolonits,
and C. Szantay '

Synthesis of Hexa-alkyloxytriphcnylenes Using FeCl3 Supported on
Alumina................................................. 1767
G. Cooke, V. Sage, and T. Richomme

Selenium Promoted Stereospecific One-Pot Conversion of Cinnamyl
Derivatives into Oxazolines. A Simple Synthetic Route to Racemic
Taxol Side Chain .......................................... 1773
M. Tiecco, L, Testafern, A. Temperini, F. Marini, L. Bagnoli,
and C. Santi

A Convenient Preparation of N-Bromosaccharin, Source of
Electrophilic Bromine...................................... 1779
B. Zajc

Rapid Synthesis of Large Enaminolactams, a Novel class of
Macrocycles.............................................. 1785
F. Jourdain, M. Caron, and J. C. Pommelet

A Clay Catalyzed Method for Diethyl 2,2,2-Trichloroethylidene-
propanedioate, an Efficient Intermediate for the Synthesis of
Enamino Esters........................................... 1801
A. R. A. S. Deshmukh, D. G. Panse, andB. M. Bhawal

SYNTHETIC COMMUNICATIONS
Volume: 29, Number: 8, 1999

Graphical Abstracts...................................-... vii
Contributors to This Issue ................................... xv

Onc-Pot Synthesis ofKetones Using N-Methoxy-N-methy 1-2-
pyridyl Urethane.......................................... 1249
N, R. Lee and J. 1. Lee

Rtductive Cleavage of Acetals/Ketals with ZrCI,/NaBH,............ 1257
K. Purnsholharna Chary, Y. R. Santosh Laxmi, and D. S. lyengar

Novd Reactions of Ethylene Acetals with Silyl-Substituted
Nudeophiles. A Mild and Efficient Procedure for the Synthesis of
Homoallyl Alkyl Ethers and Unsymmetrical Dialkyl Ethers. ......... 1263
T. Suzliki and T. Oriyama

Solid Phase Acylation of Phosphonoacetates: Synthesis of p-Keto
Phosphonates from Polymer Bound Phosphonoacetate. ............. 1271
D. K Kirn and K. H. Suh

Syntheses of Bisoxazolidines and Morpholones. ................... 1277
V. Sanies, A. Ortiz, R. Santillan, A. Gutierrez, andN. Farfan

Gallium-Mediated Highly Regioselective Reaction of Allyl-Type
Bromide and Propargyl-Type Bromide with Aldehyde. ............ 1287
K Han. Z. CM, and Y.-Z. Huang

A New Method for the Reductive Cleavage of S-S Bond by the
System of Cp,TiCI,/i-BuMgBr/THF and Its Application in
Synthesis of cc-Alkylthio Carbonyl Compounds ................... 1297
IX Huang and W.-X. Zheng

Synthetic Potential of the Reaction of AUyIic Phosphonium Ylides
with alpha,beta Unsaturated Carbonyl Compounds..................... 1303
D,F. SchneiderandA. C. Venter

L-Amino Acid Esters Studies, n. Synthesis of N-(Dimethoxy/3,5-
DfacctoxybenzoyD-L-Amino Acid Hydrazides and Their Reactions
With Aldehydes andKetones ................................. 1317
E. I.. Al-Afaleq and S. A. Abubshait

Solventless Regeneration of Ketones from Thioketones Using Clay
Supported Nitrate Salts and Microwave Irradiation. ............... 1333
R. S. Varma and D. Kumar

Stereoselective Borane Reduction of Acetophenone Using 1,3,2-
Oxazaborolidine Derived from (R)-4-(Diphenylhydroxymethyl)-
1,3-thiazolidine............................................ 1341
M. Calmes and F. Escale

2-(2-Pyridyl)lndole Derivatives Preparation via Fischer Reaction
on Montmorillnite KIO/Zinc Chloride Under Microwave
Irradiation............................................... 1349
T. Lipinska, E. Guibe-Jampel, A. Petit, and A. Loupy

Oxidative Cyclization of 6 or 8 Allyl-7-hydroxychromones:
Synthesis of Pyronochromones and Hydroxymethyl Dihydro-
furanochromones.......................................... 1355
R. Puranik, Y. Jayaprakash Rao, and G. L. D. Krupadanam

Enzymatic Method of Preparation of Optically Active trans-I-
Amino Cyclohexanol Derivatives .............................. 1369
A. Ursini, P. Maragni, C. Bismara, andB. Tamburini

A Scaleable Method for Preparing 3-Fluorenylmethoxycarbonyl-
amino-5-hydroxybenzoic Acid................................ 1379
T. J. N. Watson, G. A. Flynn, andR. S. Shah

First Total Syntheses of 4-0-Geranylisoliquiritigenin and 4'-0-
Geranyinarigenin.......................................... 1383
C. Huang, 5. Li, 1. Hou, Y. Li, and Y. Li

A Convenient and Rapid Preparation of Novel Quinoxaline
Derivatives............................................... 1393
A. Cuenca, S. E. LopeZ., 1. Garces, and A. Aranda

Synthesis of Ocimin, a 1,5-Diene, by a bis-Grignard Reaction. ....... 1401
M. A. Ornelas, R. Romero, andR. Somanathan

Acetyl Bromide-Alcohols as Convenient Reaction Systems for:
a) Removal of N-tert-Boc, N-CBZ, and N-Ac Protective Groups,
b) Esterifications and Transesterifications, c) Debenzylation of
Aryl-O-benzyl Ethers....................................... 1405
A. Lesk and A. Nude I man

A New Methodology for Synthesis of 1,2-Epoxy Alkane with the
Linear Aliphatic Olefins in Presence of Molecular Oxygen .......... 1409
R.-M. Wang. C.-J. Hao, and Y.-P. Wang

Cholorine Substitution Reactions Using Trichloroisocyanuric Acid
with Triphenylphosphine .................................... 1415
G. A. Hiegel, J. Ramirez, and R. K. Ban

ConpUng Alkylation of (E)-alpha-Selanylvinylic Zirconium Compounds
lo Give Trisubstituted Alkenes ................................ 1421
A.M. Sun and X. Huang

SYNTHETIC COMMUNICATIONS
Volume: 29, Number: 12, 1999

Graphical Abstracts........................................ vii
Contributors to This Issue ................................... xv

Methyl 2,3-Dichloropropanoate as a New Domino Bisaimelatmg
Reagent................................................. 2035
H. Sakai, H. Hagiwara, T. Hoshi, T. Suzuki, and M. Ando

Novel Aza and Oxa Wittig-Horner Reactions of Diethyl (I-Benzene-
siilfonyl)indol-2-yl Methyl Phosphonate ......................... 2043
5. Elango and P. C. Srinivasan

Synthesis of Novel 4p-(l,2,3-Triazol-l-yl)podophyllotoxins as
Potential Antitumor Drugs. .................................. 2053
L. Too. Y.-G. Wang, C. Ma, B. Zheng, and Y.-Z. Chen

Synthesis of Conjugated Spiropyran Dyes via Palladium-Catalyzed
Coupling Reaction......................................... 2061
r. J. Cho, K. Y. Rho. S. R. Keum, S. H. Kirn, and C. M. Yoon

A Facile Synthesis of 2-Hydroxy-2-aryl 1,4-Benzodioxanes. .......... 2069
T. Gonesh, C. H. Kumar, and G. L. D. Krupadanam

ECident Conversion of Epoxides to Thiiranes with Thiourea
Catalyzed by Tm(IV) Porphyrin .............................. 2079
S.. Tangeslaninejadand V. Mirkhani

A Novel Strategy for N-Alkylation of Primary Amines ............ 2085
s. k Srivastava, P. M. S. Chauhan, and A. P. Bhaduri

stereoselective Synthesis of a New Kind of Natural Glyco-
cyclodophane............................................... 2093

Y. Wang, and M. Cai

A Practical Synthesis ofN-Acetyl-5-methoxytryptamine
(melatonin).............................................. 2099
Hwang and T.-S. Lee

Quinolmium Fluorochromate (QFC) Supported on Alumina as a
Selective Oxidant for Alcohols ................................ 2105
G. A. Rajkumar, B. Arabindoo, and V. Murugesan

A Practical Total Synthesis of Taxamairin B..................... 2115
C. Ning, X.-C. Wang, andX.-F. Pan

Conversion of Trimethylsilyl Ethers to Acetyl or Formyl Esters
with TiCI, ............................................... 2123
N. Iranpoor and B. Zeynizadeh

BenzyltriethylammoMum Chloride-Zinc-Methanol: A Novel
System for Selective Reduction ofAldehydes to Alcohols ............ 2129
G. B. Kardile, D. G. Desai, and S. S. Swami

Ascorbic Acid Chemistry. A Novel LiALHL, Reduction Product and
Its Rearrangement......................................... 2133
L. H. Foley and P. Wang

Asymmetric Baylis-Hillman Reactions of Novel Bornyl Acrylate
Esters................................................... 2137
M. D. Evans and P. T. Kaye

Synthesis of Three New Macrocyclic Tetraamide Ligands ........... 2147
Z. Mo, W. Yang, J. Gao, H. Chen, andJ. Kang

A New Synthetic Approach to Salmeterol ....................... 2155
Y. Rong and A. E. Ruoho

Synthesis of a Pyrrolo[l,4]benzodiazepmequinone ................. 2163
R. A. Tapia, C. R. Centella, andJ. A. Valderrama

Regioselectivity of the Mononitration of Alkylbenzenes by Immobi-
lized Acyl Nitrates......................................... 2169
J. A. R. Rodrigues, A. P. 0. Filho, andP, J. S. Moran

N-(4-Methylbenzenesulfonyl)-pyrrolidmes and Piperidines by a
Tandem SN2-Michael Addition Reaction ........................ 2175
R. A. Bunce andJ. C. Allison

Chiral Synthesis of (S)-(+)-gama-Hydroxymethyl-y-butyrolactone. ........ 2187
V. Salas-Reyes
Improved Resolution of (±)-cis-2'-Hydroxy-5,9-dimethyl-6,7-
beniomorphan and Preparation of Racemic, (+)-, and (-)-cis-2-

Methylcyclopropyl-2'-hydroxy-5,9-dimethyl-6,7-benzomorphan
(Cyclazocine) ...•.......-................................ 2201
W. A, Boulanger

SYNTHETIC COMMUNICATIONS
Volume: 29, Number: 13, 1999

Graphical Abstracts........................................ vii
Contributors to This Issue ................................... xv

Nickel-Catalyzed Benzylic Oxidation with NaOCI ................ 2211
S. Yama:aki

Facile Methods for the Direct Conversions of Aryl Acetates into the
Corresponding Methoxymethyl Ethers or Silyl Ethers .............. 2217
T. 0ri\ania. K. Noda, and S. Sugawara

Direct Synthesis P-Nitrocalix[4]arene from P-rcn-Butylcalix-
[4]arene................................................. 2225
P. -S. Wang, R.-S. Lin, andH.-X. Zong

Solid State SvTithesis of Benzils at Low-Heating Temperatures ....... 2229
Y.-M. Zflou, X.-R. Ye, andX.-Q. Xin

A Mild and Efficient Procedure for the Oxidation of Organic
Sulfides to Sulfones by Use of Urea-Hydrogen Peroxide/Trifluoro-
acetic Anhydride System .................................... 2235
R. Balicki

A Novel Synthesis of 4,6-Dimethyl-2-pyrone from Carbon Dioxide
and Mesityl Oxide in the Presence of an Ethylzinc Carbamate. ....... 2241
M. Zhou, Y. Yoshida, S. Ishii, and H. Noguchi

Ring Opening of Epoxides with Sodium Cyanide Catalyzed with
Ce(OTf)4,................................................ 2249
N. lranpoor and M. Shekarriz

Tungsten Hexachloride (WCl6), a Highly Efficient and Chemo-
sclective Catalyst for Acetalization of Carbonyl Compounds ......... 2255
H, Firolnabadi, N. lranpoor, and B. Karimi

Optical Resolution of 2-(3-Chloro-phenyl)-3,4a,5,6,7,7a-hexahydro-
cyclopentapyrimidin-4-one with 0,0'-Dibenzoyl-2R,3R-tartaric
Acid in Water-Chloroform Two Phase Solvent System. ............. 2265
D Kouna, G. Egri, and E. Fogassy
The Preparation of Symmetrical Azobenzenes from Anilines by
Phase Transfer Catalyzed Method ............................. 2271
X.-Y. Wang, Y.-L. Wang, J.-P. Li, Z.-F. Duan, andZ.-Y. Zhang

An Efficient Method for Production and Storage of Unstable
S-Nitrosothiols Under Mild and Heterogeneous Condition with
Sodium Nitrite and Oxalic Acid Dihydrate. ...................... 2277
M. A. Zolfigol, D. Nematollahi, and S. E. Mallakpour

Oxidative Ring Contraction of Cycloalkanones: A Facile Method
for Synthesis of Medium Ring Cycloalkanecarboxylic Acids ......... 2281
M. Giurg and J. Miochowski

An Efficient Synthesis of Nalpha-Fmoc-4-(phosphonomethyl)-L- and
D-Phenylalanine........................................... 2293
B. Liu and J. Zhan

Hypervalent Iodine in Synthesis. XXXI. Formation of Phosphini-
mines and Arsinimines by Nitrene Route or Non-Nitrene Route ...... 2301
W. Ou, Z.-G. Wang, andZ.-C. Chen

Lithium Chloride Catalyzed Acetylation of Alcohols, Thiols,
Phenols, and Amines ....................................... 2311
G. Sabitha, B. V. Subba Reddy, R. Srividya, and J. S. Yadav

Facile Synthesis of Methyl 2-Formyl-5-hydroxymethyl-3-furan-
carboxylate .............................................. 2317
A. Toro and P. Deslongchamps

An Efficient Procedure for the Synthesis of Spiro [3H-lndole-3,4'
(l'H)pyrano[2,3-C]pyrrole]-5'-carbonitriles Using Solid
Inorganic Supports and Microwave Activation. ................... 2323
A. Dandia, H. Taneja, R. Gupta, and S. Paul I

A Convenient Synthetic Route to Differentially Functionalized Long
Chain Polyethylene Glycols .................................. 2337
C. J. Burns, L. D. Field, K. Hashimoto, B. J. Petteys, D. D. Ridley,
and K. R. A. Samankumara Sandanayake

A Direct Synthesis of Aromatic Nitriles from Methylaromatic
Compounds by Ammoxidation on DC-108 Catalyst ................ 2349
Q. Zheng, C. Huang, G. Xie, C. Xu, and Y. Chen

A Novel Synthesis of Thieno[2,3-C]pyrazole. .................... 2355
2. Wang, Z. Li, J. Pen, andH. Chen

A New Synthesis for Methyl 2-Benzyloxylphenylacetate............. 2361
Z. Wang, Z. Li, T. Liu, and J. Ren

A Facile Synthesis of 2-Benzoyl-6-hydroxy-3-methyl-5-(4' ,5'-
dihydro-S'-aryl Pyrazol-3'-yl) Benzofurans ...................... 2365
K. Vishnu Vardhan Reddy, P. Sampath Rao, and D. Ashok

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