An Organic Preparations and Procedures Inc. Publication 
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| Synthesis and Reactivity of λ5-Phosphazenes. Uses as Synthetic Intermediates. A Review by J. Barluenga and F. Palacios | 1 |
| Pyrroloquinolines. A Review by D. S. Black and N. Kumar | 67 |
| Synthesis of Ethyl N-Carbobenzoxytyrosyl-S-benzylcysteinylglycinate by M. Dymicky and D. M. Byler | 93 |
| Synthesis of cis- and trans-4-Aminocyclohexyl-D-alanine Derivatives and Determination of their Stereochemistry by P. N. Rao, D. M. Peterson, C. K. Acosta, M. L. Bahr and H. K. Kim | 103 |
| OPPI Briefs (J.-P. Anselme, Editor) | 111 |
| Synthesis of a New Azatetracyclodecane Ring System via Intramolecular Addition of Azide on Double Bond(Berenyi, Gulyas, Batta and Makleit) | 111 |
| Facile Synthesis of 1-(2-Pyridine-1-oxide -2-(1-methyl-2-pyridinium)ethane Chloride(Lin) | 114 |
| A One-step Synthesis of Clomid Intermediate(Al-Hassan) | 116 |
| A Facile Synthesis of rac-1-O-Alkylglycerols(Rao, Gangadhar, Subbarao and Lakshminarayana) | 119 |
| N-(Diphenylmethylene)-α,β-didehydroamino Acid Esters. Thermal and Lewis Acid-induced Dimerizations(Balsamini, Tarzia, Spadoni, Salvatori and Staccioli) | 122 |
| A One-step Synthesis of Ocimin by a bis-Wittig Reaction(Khasnis and Mane) | 126 |
| A Direct Approach toward the Synthesis of Analysis of Erbstatin(Burke) | 127 |
| An Improved Synthesis of 9-Chloro-2-methoxyacridine(SanFilippo) | 130 |
| An Efficient Synthesis of α-Asarone by F. Diaz, L. Contreras, R. Flores, J. Tamariz, F. Labarrios, G. Chamorro and H. Munoz* | 133 |
| β-Ketonitrosamines as Synthetic Equivalents of α-Methylene Alkanolamino Anions by J. E. Saavedra* and D. W. Farnsworth | 139 |
| Preparation and Some Simple Reactions of 1-Substituted Imidazole-2,4,5-triones by B. Altural, Y. Akcamur and G. Kollenz* | 147 |
| Alkylation of Phenylacetonitrile using Potassium Carbonate as a Base by C.-Z. Xu*, X.-J. Mao, H.-B. Shen and W.-Q. Chen | 153 |
| A Facile One-pot Synthesis of 3-Substituted-1,2,4-triazolo[4,3-b][4,1,2]benzothiadiazine- 8-ones by B. R. Rani, M. F. Rahman* and U. T. Bhalerao | 157 |
| An Improved Synthesis of Naphtho[2,3-d]-1,3-dioxole-5-methoxy-6-carboxylic Acid by J. Zjawiony and J. R. Peterson* | 163 |
| An Efficient Large-scale Preparation of (S)-1,1,2-Triphenylethanediol 2-Acetate by A. Millar*, L. W. Mulder, K. E. Mennen and C. W. Palmer | 173 |
| OPPI Briefs (J.-P. Anselme, Editor) | 181 |
| Synthesis of bis-Isoxazolynaphthoquinones(Ortiz, Longhi, de Bertorello* and Brinon) | 181 |
| Synthesis and Thermolysis of Cycloalkenyl Azides. A Simple Route to Polycyclic Isoxazoles(Sami, Kar and Ray*) | 186 |
| An Improved Synthesis of 5-Methylpyrazine-2-carboxylic Acid (Iovel, Goldberg* and Shymanska) | 188 |
| Optimal Conditions for Acetylation of Aromatic Tertiary Alcohols(Sipos, Zsuga and Kelen*) | 190 |
| A Convenient Preparation of trans-3,4-Diphenyl- and trans, trans-2,3,4-Triphenylvalerolactones(Stanley*, Dakin, Szabo, Posaw, Lee and Hou) | 193 |
| Facile Synthesis of Homotriptycenes via Addition of Benzocyclopropenes and Anthracenes(Saito*, Ito, Takahashi and Kagabu) | 196 |
| A Novel Synthesis of Some Arylthioglycolic Acids(Yildirir and Okay*) | 198 |
| An Optimized Synthesis of Dimethyl-2,2'-Dihydroxy-1,1'-binaphthalene-3,3'-dicarbox- ylate and of Methyl 2,2'-Dihydroxy-1,1'-binaphthalene-3-carboxylate(Hovorka* and Zavada*) | 200 |
| Expeditious Routes to Symmetrically and Asymmetrically Substituted Pyridines from Chelidamic Acid(Scrimin*, Tecilla and Tonellato*) | 204 |
| Synthesis of Diallyl Selenide(Amosova, Potapov*, Nosyreva and Klimchuk) | 207 |
| O-Methylation of Polymer-supported Phenoxides with Methyl Sulfate(Sarkar* and Ram) | 208 |
| An Improved Procedure for the Preparation of 1-Ferrocenyl-1-phenylmethylamine (Topolski and Rachon*) | 211 |
| An Improved Synthesis of 6-(O-Phosphorycholine)hydroxyhexanoic Acid (Knopik, Bruzik* and Stec*) | 214 |
| Regiospecific Alkylation of Cyclohexenones. A Review by K. F. Podraza | 217 |
| Recent Advances in o-Quinodimethanes. A Review by N. Martin*, C. Seoane* and M. Hanack | 237 |
| The Chemistry of Pyrazolidinones. A Review by R. M. Claramunt and J. Elguero* | 273 |
| Conversion of Resin Acids into Steroidal Compounds. A Review by A. Abad*, C. Agullo, M. Arno, L. R. Domingo and R. J. Zaragoza | 321 |
| An Improved Fischer Synthesis of Nitroindoles. 1,3-Dimethyl-4-, 5- and 6-Nitroindoles by A. R. Katritzky*, S. Rachwal and S. Bayyuk | 357 |
| Facile Synthesis Route to Hydroxy Metabolites of Tricyclic Antidepressants by M. Adamczyk*, Y.-Y. Chen and J. R. Fishpaugh | 365 |
| OPPI Briefs (J.-P. Anselme, Editor) | 373 |
| A Facile Synthesis of Acyl-protected Formaldehyde Cyanohydrins(Byers*, Baran, Craig and Jackman) | 373 |
| An Improved Preparation Method for N-Benzyloxycarbonyl-L-lysine Methyl Ester Hydrochloride(Balajthy) | 375 |
| Preparation of 1-(o-Aminobenzoyl)-1-methylhydrazines(Fülop* and Pihlaja*) | 377 |
| Conversion of 3-Aroylmethyl-5-arylmethylene-2,4-dioxo-1,3-thiazolidines into 6-Aryl- 4,5-dihydro-1,2,4-triazin-3(2H)-ones(Omar* and Youssef) | 379 |
| Synthesis of bis-(m-phenylene)-32-crown-10 Derivatives(Delaviz and Gibson*) | 382 |
| An Improved Synthesis of 3-Phenyl- and 3-Methoxyquinaldine(Akula, Wolowyk and Knaus*) | 386 |
| Carbon-carbon Coupling on Attempted Hydrolysis of Bromomaleimides(Balasubramaniyan*, Laddha and Argade) | 388 |
| A Convenient Synthesis of 5,7-Dihydroxychromone(Spencer) | 390 |
| An Improved Preparation of a Tricyclic Lactone. A Potentially Useful Precursor of Highly Functional Terpenoids(Zinczuk, Bacigaluppo, Mischne, Colombo and Ruveda*) | 392 |
| A New and Convenient Preparation 3-Bromo-4-chloronitrobenzene(Kosandal, Rao, Rao and Singh*) | 395 |
| A Convenient Synthesis of (2S)-2-Amino-3-phenylpropanol(Dharanipragada, Alarcon and Hruby*) | 396 |
| N-Alkylation of Hindered Secondary Aromatic Amines with 2-Iodobutane by A. R. Katritzky*, J. Wu and S. Rachwal | 399 |
| Reduction of Heterocyclic Alcohols With Sodium Borohydride Trifluoroacetic Acid. Preparation of bis-Heterocyclic Methanes by C. Nutaitis*, R. Patragnoni, G. Goodkin, B. Neighbour and J. Obaza-Nutaitis | 403 |
| Synthesis of Thieno[3,2-e]-1,2,4-triazolo[a]pyrimidines by S. Tumkevicius* and J. Mickiene | 413 |
| The Bromination of 2,5-Dimethoxybenzaldehyde, Structural Proof of the 6-Bromo Isomer via Synthesis of 3,6-Dimethoxybenzocyclobutene by M. S. Sardessai and H. N. Abramson* | 419 |
| OPPI Briefs (J.-P. Anselme, Editor) | 425 |
| 2,4-Di-t-butylbromobenzene by Silver-ion Assisted Bromination of 1,3-Di-t-butyl- benzene(Fry* and Solomon) | 425 |
| Reductive Cleavage of Aromatic Cyclic Acetals with Zirconium Chloride-Lithium Aluminum Hydride(Shaozu*, Tianhui, Ning and Yulan) | 427 |
| Synthesis of cis-Delta6-Octalin-1,4-dione bis Acetals(D'Andrea, Freeman and Szmuszkovicz*) | 432 |
| Preparation of N-Unsubstituted Thioamides by a Modified Willgerodt-Kindler Reaction (You*, Zhou, Wang and Lei) | 435 |
| Solvent Effect on the Gomberg-Bachmann-Hey Arylation of Pyridine (Gurczynski and Tomasik*) | 438 |
| Improved Synthesis of 2,4-Hexadienoic Acid(Vinczer*, Novak and Szantay) | 441 |
| Application of Potassium t-Butoxide in Toluene as a Base in the Wittig Reaction in Large-scale Pheromone Syntheses(Vinczer*, Novak and Szantay) | 443 |
| A Convenient Synthesis of 2,5-Diamino-1,4-benzenediol(Inbasekaran* and Strom) | 447 |
| Reaction of 4-[bis(Alkylthio)methylene]-2-oxazolin 5-ones with Ambident Nucleophiles(Roy* and Rawat) | 450 |
| A Rapid Preparation of 2,2'-Dimercaptobiphenyl(Cossu, Delogu*, Fabbri and Maglioli) | 455 |
| Preparation of Tetraethyl(oxydi-2,1-ethanediyl)bisphosphonate and 1,2-bis[2-(diethylphospono)ethoxy]ethane(Dhawan* and Redmore) | 458 |
| Synthesis of a Hexaalkynylhexaphenylbenzene(Hyatt*) | 460 |
| Taxane Diterpene Synthesis Strategies. A Review by C. S. Swindell | 465 |
| Recent Developments in the Area of Annulated Furans. A Review by A. Padwa* and S. S. Murphree | 545 |
| Corrigenda | 569 |
| 1,2-bis(Arylsulfonyl)alkenes. A Review by S. Cossu, O. De Lucchi*, D. Fabbri, G. Licini and L. Pasquato | 571 |
| The Chemistry of 1,3-Dioximes. A Brief Review by A. Kotali* and V. P. Papageorgiou* | 593 |
| A One-pot Preparation of Dimethyl N-Alkyliminodithiocarbonates by C. Alvarez-Ibarra*, M. L. Quiroga, E. Martinez-Santos and E. Toledano | 611 |
| A Convenient Preparation of Diphenylmethanes from Bromobenzenes Using the Grignard Cross-Coupling Reaction by T. Yamato*, N. Sakaue, K. Suehiro and M. Tashiro | 617 |
| Nitro Derivatives of Benzocoumarins. Key Intermediates in the Synthesis of Benzocoumarin- based Fluorescent Reagents for Biological Applications by J.-R. Yang*, C. A. Lambert, M. E. Langmuir and R. Laura | 621 |
| An Alternate Synthesis of 3,4-Diaminobezophenone and of Mebendazole by N. R. Ayyangar*, R. J. Lahoti and T. Daniel | 627 |
| Synthesis of (E,E)-bis(Arylcyclopropyl) Sulfones from Novel (E,E)-bis(Styryl) Sulfones by M. V. R. Reddy*, D. B. Reddy, P. V. R. Reddy and S. Vijayalakshmi | 633 |
| Synthesis of Primin and Miconidin and Their 3-Methoxy Isomers by S. S. Arogba | 639 |
| Novel Synthesis of Pyridine-2(1H)Thiones, N-Amino-2-pyridones and Pyridazine Derivatives by G. H. Elgemeie*, S. R. El-Ezbawy, M. M. Ramiz and O. A. Mansour | 645 |
| OPPI Briefs (J.-P. Anselme, Editor) | 651 |
| Oxidation of Adamantane to Adamantanol using tetra-n-Butylammonium Oxone by R. Kumarathasan and N. R. Hunter* | 651 |
| Synthesis of 2-Halo-4,5-difluorobenzoic Acids by T. F. Braish* and D. E. Fox | 655 |
| An Improved Preparation of Quinuclidin-3-thiol by S. D. Aster*, S. S. Yang and G. D. Berger | 658 |
| The Reaction of Ninhydrin with Acetic Acid by J. B. Campbell, E. R. Lavagnino* and C. W. Ryan | 660 |
| Facile Chromone Ring-opening of Khellin by E. Al-Farhan, P. M. Keehn and R. Stevenson* | 665 |
| A New Method for the Synthesis of 3β-Hydroxy-4α-bromocarane and of cis-3-Carene Epoxide by M. D. Chouba* and J. Y. Bassett | 667 |
| A Novel Class of Oxazole Derivatives. 4-Acyl-2-arylthio-5-ethoxyoxazoles by R. Bossio, S. Marcaccini, R. Pepino, C. Polo and T. Torroba* | 670 |
| The Mannich Reaction of Cyclic Ketones, Aromatic Amines and Aromatic Aldehydes by Y. Lin*, Z. Junhua, L. Huangshu, L. Xiaomei and Z. Mingxiao | 673 |
| Improved Preparation of a 2-Arylbenzo[b]furan-3-carboxylic Acid by M. Barbier | 676 |
| Synthesis of Novel Thiazolo[2,3,b]-1,3,4-thiadiazolium Salts by Z. Zheng-Hua*, C. Shu-Ling and Y. Zu-Guang | 679 |
| Applications of Microwave Energy in Organic Chemistry. A Review by R. A. Abramovitch | 683 |
| Membrane Impermeant Calcium Indicators for Muscle Contraction Studies. Synthesis of 1,1'-bis-(2-Sulfomethyl)purpurate (BISEP) Trisodium and Tripotassium Salts by P. L. Southwick*, A. S. Wagman and A. S. Waggoner | 713 |
| The Synthesis of N-Cyano-O-methylpseudoureas and Some of their Further Transformations by J. Zmitek*, B. Jenko, D. Milivojevic and J. Anzel | 721 |
| Synthesis of Some Isothiocyanatophenylboronic Acids by K. Ramalingam* and D. P. Nowotnik | 729 |
| New Synthesis of 1-Azabicyclo[5.3.0]decane by G. B. Hammond* and R. G. Plevey | 735 |
| Hydroxymethylation of Flavones by G. Litkei*, T. Patonay, L. Szilagyi and Z. Dinya | 741 |
| OPPI Briefs (J.-P. Anselme, Editor) | 749 |
| The Synthesis of Substituted 3-Chloro-5-arylpenta-2,4-dien-1-als and of 3-Chloro- 5-(5-formylaryl)penta-2,4-dien-1-als by the Vilsmeier Reaction by M. Venugopal and P. T. Perumal* | 749 |
| A Simple Synthesis of O-Isopropoxyphenol by V. B. Deodhar*, V. S. Delavoy and U. R. Nayak | 753 |
| Synthesis of Methoxytamoxifen by H. A. El-Wakil | 754 |
| Two Improved Syntheses of N,N'-bis(3,3-Diethoxypropyl)succinamide by J. T. Hortenstine* and J. E. Mills | 757 |
| Heptafluoroisopropoxide Ion in Aromatic Substitution by K. E. Peterman* and W. Dmonski | 760 |
| Synthesis of 5-Hydroxymethyl-1,4-dioxan-2-one by G. Broggini and G. Zecchi* | 762 |
| Convenient One-pot Processes for the Preparation of Chloroacetaldehyde Dialkyl Acetals by M. S. Malik*, N. K. Sangwan, O. P. Malik and K. S. Dhindsa | 762 |
| Corrigenda | 767 |
| Indexes | 769 |