An Organic Preparations and Procedures Inc. Publication 
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| Furanosesquiterpene Synthesis. An Updated Review by A. J. Allen, V. Vaillancourt and K. F. Albizati* | 1 |
| Organotin Enolates in Organic Synthesis. A Review by I. Shibata* and A. Baba | 85 |
| An Improved Method for the Preparation of 4-Aryl-2,6-diphenylpyrylium Perchlorates and their Reactions with Ammonia and Methylamine by T. Bak, D. Rasala and R. Gawinecki* | 101 |
| OPPI Briefs (J.-P. Anselme, Editor) | 111 |
| Preparation of O-[2-(2-Pyridyl)ethyl]- and O-[2-(Trimethylsilyl)ethyl]hydroxylamines by T. Henmi, T. Sakamoto, and Y. Kikugawa* | 111 |
| A cis-1,2-Diamine from the Stereoselective Reduction of an α-Amino Enamine by S. V. D'Andrea, S. Zhao, S. A. Mizsak, J. P. Freeman and J. Szmuszkovicz* | 114 |
| Aromatic Nitration of 2-Phenylhydrazones of 1,2-Dicarbonyl compounds Using Cerium(IV) Ammonium nitrate by H. V. Patel,* K. A. Vyas, S. P. Pandey and P. S. Fernandes | 118 |
| A Straightforward Synthesis of O-Protected 3-Hydroxypropanal derivatives by D. Barbier, J.-P. Salvi, N. Walchshofer* and J. Paris | 121 |
| Simple and Facile Oxidation of Aldehydes to Carboxylic Acids by B. R. Babu and K. K. Balasubramaniam* | 123 |
| Oxidation of Flavanones with Lead Tetraacetate, Trimethyl Orthoformate and Perchloric Acid by M. S. Khanna | 125 |
| Reagent-Controlled Asymmetric Diels-Alder reactions. A Review by T. Oh* and M. Reilly | 129 |
| o-Hydroxyaryl Ketones in Organic Synthesis. A Review by A. Kotali* and P. A. Harris | 159 |
| Asymmetric Reductions of Carbon-Nitrogen Double Bonds. A Review by Q.-C. Zhu and R. O. Hutchins* and M. K. Hutchins | 193 |
| Convenient Synthests of 2,3,5-Triaryl-5-oxopentanoic Acids and of Their t-Butyl Esters by V. Dryanska* and A. Popovich | 237 |
| An Efficient One-pot Conversion of α-Amino Acid Esters to γ-Amino-α,β-unsaturated Carboxylates by Z. Y. Wei and E. E. Knaus* | 243 |
| β-Trifluoroacetylation of Lactams and Benzolactams by J.-P. Bouillon, C. Atès, C. Maliverney, Z. Janousek and H. G. Viehe* | 249 |
| Recent Progress in the Use of Sulfonyl Radicals in Organic Synthesis. A Review by M. P. Bertrand | 257 |
| The Synthesis and Reactions of Prismanes. Recent Developments by M. A. Forman* and W. P. Dailey* | 291 |
| Facile and High-Yield Synthesis of New 4-Phosphoranylidene-4,5-Dihydropyrazol-5-ones by Reaction of Conjugated Azoalkenes with Phosphines by O. A. Attanasi*, P. Filippone and D. Giovagnoli | 321 |
| A Simple and Efficient Preparation of Methoxymethyl Esters of Penicillins and Cephalosporins by J. Pankowski* and J. Winiarski | 327 |
| A Simple Synthesis of the Heterocyclic S,S-Diphenylsulfiliminesby O. G. Vlasova, O. A. Rakitin* and L. I. Khmelnitski | 331 |
| An Alternate Method for the Synthesis of Secondary Nitramines by Z. Daszkiewicz, A. Domanski and J. B. Kyziol* | 337 |
| An Efficient, Large-Scale Synthesis of Idoxifene [()-1-{4-[2-(N-Pyrrolidino)ethoxy]pheny1}-1- (4-iodophenyl)-2-phenyl-1-butene] by R. McCague, G. A. Potter and M. Jarman* | 343 |
| OPPI Briefs (J.-P. Anselme, Editor) | 347 |
| Single-Step Synthesis of 2,3-Dihydro-2,2-dimethyl-1H-phenothiazin-4(10H)-ones by V. Gupta, A. Gupta, R. S. Rathore and R. R. Gupta* | 347 |
| An Improved Synthesis of Thieno(2,3-b)quinolines via S-Oxides by S. P. Rajendran* and P. Shanmugam | 349 |
| Oxidative Rearrangement of the Purine Ring Using Magnesium Monoperphthalate by A. Amer | 353 |
| An Economical Preparation of 2-(2-Bromoethyl)-1,3-dioxane by J. B. Christensen* and A. Schluter | 355 |
| Synthesis of N-Phosphorylureas by Reaction of Phosphorylamides with N-Substituted Trichloroacetamides by J. Petrov*, I. Atanassova and V. Ognyanova | 357 |
| Synthesis of 3-Acetoacetyl-7-methyl-2H,5H-pyrano[4,3-b]pyran-2,5-dione by B. Boutemeur-Kheddis, A. Bendaas, M. Hamdi* and R. Sakellariou and V. Sp&eagrave;ziale* | 360 |
| A New Approach to Alkyl 2-oxoquinoline-3-acetates by Triphenylphosphine-induced Cyclization of Alkyl o-Formylmaleanilates by N. P. Argade, S. M. Babar and V. Balasubramaniyan* | 362 |
| Efficient Regioselective Alkylation of 2-Carboxamidopiperazine. Application to the Synthesis of the NMDA Competitive Antagonist (±)-CPP by P. Pevarello*, G. Scappi and M. Varasi | 366 |
| Purification of 1,2-Dihydronaphthalene, an Important Intermediate in the Hydroprocessing of Naphthalene by M. D. Cagle, S. J. Firsan and E. J. Eisenbraun* | 370 |
| The Preparation ofDelta2 Steroids. An Improved Procedure by P. Nowak, K. Blaszczyk and Z. Paryzek* | 374 |
| An Improved Procedure for the Preparation of 1,3-Dithiane by H. K. Patney | 377 |
| Preparation of Redox Derivatives of 3α-Hydroxy-5α-pregnane-11,20-dione by E. Pop*, M. E. Brewster, K. Prókai-Tátrai and N. Bodor | 378 |
| Synthiesis of Pyrazolo(3,4-b)quinolines and their 1-Phenyl Derivatives by S. P. Rajendran,* M. Manonmani and S. Vijayalakshmi | 383 |
| Oxidation of Amines by Dichlorodicyanoquinone (DDQ) with Trapping by Trimethylsilyl Cyanide by R. J. Sundberg*, M.-H. Theret and L. Wright | 386 |
| Corrigendum | 391 |
| Synthesis of Carcinogenic Oxygenated Derivatives of Benz[c]acridines. A Review by N. Motohashi*, M. Kawase and J. Emrani | 393 |
| Synthesis of 4-(Nitrobenzyl- and Benzoyl)piperidine Derivatives by Nitration of Arylalkyl- piperidines by S. Ram* | 421 |
| Synthesis of Imidazoquinolines and Imidazoisoquinolines from Azanaphthalene Carboxylic Acids by K. C. Langry* | 429 |
| An Alternative Synthesis of Aryl and Heteroaryl Bromides from Activated Aryl Hydroxy Compounds by A. R. Katritzky*, J. Li, Christian V. Stevens and D. J. Ager | 439 |
| A Convergent Synthesis of (±)-Sarcophytol-A Benzyl Ether by W. Li, J. Mao, Ying Li and Yulin Li* | 445 |
| Reduction of Organic Compounds with Sodium Aluminum Hydride in Theoretical Amount by J. S. Cha* and H. C. Brown | 459 |
| OPPI Briefs (J.-P. Anselme, Editor) | 465 |
| Synthesis of Several N-Substituted Amino-2-pyridones by G. E. H. Elgemeie*, S. R. El-Ezbawy, H. A. Ali and A.-K. Mansour | 465 |
| Improved Alkylation of Ethyl Acetoacetate and Diethyl Malonate by D. Barbry*, C. Faven and A. Ajana | 469 |
| Improved Preparation of 4-Chloromethylphenyl Acetate by J. B. Christensen | 471 |
| Synthesis and Competitive N- and O-Alkylation of 10-Methylpyrido[3,2-g]quinoline-4,6- dione by A. Mahamoud, J.-P. Galy and J. Barbe* | 473 |
| A Convenient Preparation of 9H-Fluorene-9-acetic Acid by R. R. Goehring | 476 |
| Regioselective Synthesis of10-Hydroxy-11-Methoxyaporphine (isoapocodeine) from (RS)-10,11-Dihydroxyaporphine (Apomorphine) by J. C. Kim* and W.-W. Park | 479 |
| A Short Synthesis of Tridec-12-en-2-one, the Minor Constituent of the Bark of Litsea Elliptica (Lauraceae) by S. Mithran, A. S. Subbaraman and V. R. Mamdapur* | 482 |
| Treatment of Conjugated Azoalkenes with N-Acyl-N'-tosylhydrazides. A Useful Entry to Asymmetric bis-Acylhydrazones by O. A. Attanasi*, S. Santeusanio and F. Serra-Zanetti* | 485 |
| A Highly Stereoselective Transformation of β-Santalene To (E)-β-Santalol by P. A. Unnikrishnan | 488 |
| A Superior Method for the Synthesis of 7a-Methyl-2,3,7,7a-tetrahydrinden-5(6H)-one by H. S. P. Rao* and K. S. Reddy | 491 |
| A Simple and Short Synthesis of 2-(2'-Aminobenzylamino)benzyl Alcohol, a Constituent of Justicia Gendarussa Burm Leaves by V. P. Kamat* and J. K. Kirtany | 494 |
| Addendum to Vol. 25, 595 (1993) | 498 |
| Recent Developments in Tetrazole Chemistry. A Review by S. J. Wittenberger | 499 |
| Synthesis of a S-4-Carboxyphenylalanine Derivative for Use in Peptide Synthesis by R. G. Franz, J. Weinstock*, R. R. Calvo, J. Samanen and N. Aiyar | 533 |
| Preparation of Triols and Ethers related to Podophyllotoxin by M. A. Castro*, M. Gordaliza, J. M. M. del Corral and A. San Feliciano | 539 |
| OPPI Briefs (J.-P. Anselme, Editor) | 549 |
| A Convenient Synthesis of 3-(2-Methylpyridyl)acetic Acid Methyl Ester, a Pyrithiamine Intermediate by M. E. Ivanova, V. B. Kurteva and M. J. Lyapova* | 549 |
| Convenient Synthesis of 2,3-Dihydroxy-2-methylpropanamide via 2,3-Epoxy-2-methylpropanamide by J. F. Pilichowski*, G. Mailhot and M. Bolte | 551 |
| Synthesis of Alkyl Isothiocyanates from Primary Alkyl Amines using Dicyandiamide as a Dehydrosulfurizing Agent by T. Yamamoto*, A. Terada, T. Muramatsu and K. Ikeda | 555 |
| An Improved Synthesis of 9-Chloro-1,8-p-menthadiene by T. S. Kaufman,R. P. Srivastava and R. D. Sindelar* | 557 |
| 5-Nitro-2-furyl Dimidoyl Disulfides by Iodine Oxidation of N-Aryl-5-nitro-2-thiofuramides by A. D. Mance and K. Jakopcic´* | 560 |
| Resolution of 5-Vinyl-2-pyrrolidinone. A Practical Synthesis of (S)- and (R)-Vigabatrin by Z. Y. Wei and E. E. Knaus* | 567 |
| Facile Synthesis of Pheromone of Dichocrocis Punctiferalis, a Serious Pest of Spices by S. A. Hassarajani, A. S. Subaraman and V. R. Mamdapur* | 571 |
| Useful Syntheses of Pyrano- and Pyridoindoles by R. S. Mali* and A. Manekar-Tilve | 573 |
| An Improved Synthesis of Nε-Fmoc-L-lysine and Nδ-Fmoc-L-ornithine by M. Henczi and D. F. Weaver* | 578 |
| An Efficient and Convenient Procedure for Ester Hydrolysis by J. M. Khurana* and A. Sehgal | 580 |
| Conversion of Aromatic Nitriles to Aldehydes by Sodium tris(Dialkylamino)aluminum Hydrides by J. S. Cha*, M. K. Jeoung, J. M. Kim, O. O. Kwon and J. C. Lee | 583 |
| Synthesis and Reactions of Phosphinimines using Hydrazonoyl Halides by H. M. Hassaneen*, N. M. Elwan, H. A. Abdelhadi, M. T. Fouad and M. S. Algharib | 588 |
| Oxidation of 3β-Acetoxy-5α-lanost-8-ene with Chromyl Chloride. The Preparation of 5a,8β-Lanost-9(11)-en-7-one Derivatives by K. Stalin´ski and Z. Paryzek* | 593 |
| A Simple Procedure for the Preparation of 2-Phosphorylated Furanoses by C. Lamberth | 595 |
| Synthesis of 1,3-Diamines by V. Constantinou-Kokotou* and G. Kokotos | 599 |
| A Convenient Preparation of 4-Vinylphenylacetic Acid and Its Methyl Ester by S. W. Wright* and L. D. McClure | 602 |
| Improved Synthesis of Fluoromethyl Phenyl Sulfone by D. P. Matthews*, R. A. Persichetti and J. R. McCarthy | 605 |
| An Efficient One-step Synthesis of tert-Butyl Glycinate and tert-Butyl Sarcosinate by E. Cavelier, M. Rolland and J. Verducci* | 608 |
| A Concise Synthesis of 8-Phenyloctadecanoic Acid by R. Sharma and V. E. Marquez* | 611 |
| Corrigendum | 615 |
| Recent Progress in the Synthesis of Avermectins and Milbemycins. A Review by T. A. Blizzard | 617 |
| Synthesis of α,w-Alkanediols. A Review by S. A. Patwardhan | 645 |
| OPPI Briefs (J.-P. Anselme, Editor) | 671 |
| An Efficient Synthesis of (2R, 5R)- and (2R, 5R)-2-Methyl-5-hydroxyhexanoic Acid Lactones by M.-J. Wu* and J.-Y. Yeh | 671 |
| Simplified Condition for Synthesis of Curcumin I and Other Curcuminoids by K. V. D. Babu and K. N. Rajasekharan* | 674 |
| A High-yield Synthesis of 3-Pentadecylpyridine by W. M. Stalick* and J. H. Murray | 677 |
| An Improved Electrosynthetic Preparation of the Female Housefly Sex Phermone by F. A. Marquez, A. J. Zara, J. T. B. Ferreira* and L. O. de S. Bulhões* | 680 |
| The Synthesis of 6-Propyl-2-selenouracil. The Selenium Analogue of the Anti-thyroid Drug PTU by W.-X. Hu* and F. S. Guziec, Jr. | 682 |
| A Convenient Direct Preparation of 2-Cyanopyrimidine by W.-X. Hu*, R. Pankayatselvan and F. S. Guziec, Jr. | 685 |
| Analogs of Tryptophan by E. Pop*, K. Prókai-Tátrai, M. E. Brewster and N. Bodor | 687 |
| Product Selectivity in the Synthesis of Three Novel Phosphorus-Containing Heterocycles from Acyclic Precursors by Selection of Base Strength by C. C. Orji and A. G. Pinkus* | 691 |
| Monosubstituted 2,2'-Bipyridines by M. Sprecher*, R. Breslow, O. Uziel and T. M. Link | 696 |
| Synthesis of R-(+)-1,3-Dithiane 1-Oxide by P. C. B. Page*, R. D. Wilkes, and M. J. Witty | 702 |
| Preparation of Metabolites of Imipramine and Phenytoin by M. Adamczyk*, J. R. Fishpaugh, J. C. Gebler and K. J. Heuser | 706 |
| Indexes | 713 |