Graphical Abstracts
2004; Taylor & Francis; Volume: 34; Issue: 21 Linguagem: Inglês
10.1081/scc-200036999
ISSN1532-2432
ResumoAbstract Synth. Commun. 2004, 34, 3827 A Novel Transformation of Oximes into Hydrazones by Hydrazine Hydrate M. A. Pasha1 and H. M. Nanjundaswamy2 1Department of Studies in Chemistry, Central College Campus, Bangalore University, Bangalore, India 2Chemical Examination Section, Public Health Institute, Bangalore, India Hydrazones are obtained from different substituted aryl, diaryl, and arylalkyloximes using hydrazine hydrate in refluxing ethanol without any catalyst in excellent yields. Synth. Commun. 2004, 34, 3833 [(L)Proline]2Zn Catalysed Synthesis of 1,5‐Benzodiazepine Derivatives Under Solvent‐Free Condition V. Sivamurugan, K. Deepa, M. Palanichamy, and V. Murugesan Department of Chemistry, Anna University, Chennai, India This communication describes the synthesis of 1,5‐benzodiazepine derivatives catalysed by Zn[(L)proline]2 under solvent‐free condition assisted with microwave irradiation. Synth. Commun. 2004, 34, 3847 Total Synthesis of (±)‐Infuscol A and (±)‐Cuprenenol A. Srikrishna and G. Satyanarayana Department of Organic Chemistry, Indian Institute of Science, Bangalore, India Synth. Commun. 2004, 34, 3865 Tantalum (V) Chloride Catalysed Ring Opening of Aziridines with Aromatic Amines S. Chandrasekhar, S. Jaya Prakash, T. Shyamsunder, and T. Ramachandar Indian Institute of Chemical Technology, Hyderabad, India Tantalum (V) Chloride adsorbed of silicagel has been utilized as an efficient catalyst for ring opening of aziridines with aromatic amines for the synthesis of 1,2‐diamines. Synth. Commun. 2004, 34, 3875 Regeneration of Carbonyl Compounds by Oxidative Cleavage of Oximes with NBS in the Presence of β‐Cyclodextrin in Water M. Somi Reddy, M. Narender, and K. Rama Rao Organic Chemistry Division‐I, Indian Institute of Chemical Technology, Hyderabad, India Synth. Commun. 2004, 34, 3883 Synthesis of the First α‐Fluoro‐Phosphotyrosyl Mimetic Zhen‐Dan Shi,1 Hongpeng Liu,2 Manchao Zhang,2 Dajun Yang,2 and Terrence R. Burke Jr.1 1Laboratory of Medicinal Chemistry, Center for Cancer Research, National Cancer Institute, National Institutes of Health, NCI‐Frederick, Frederick, Maryland, USA 2Department of Hematology/Oncology, University of Michigan Medical School, Ann Arbor, Michigan, USA Synth. Commun. 2004, 34, 3891 Synthesis of Guanylhydrazones Under Microwave Irradiation Tales L. C. Martins, Tanos C. C. França, Teodorico C. Ramalho, and José D. Figueroa‐Villar Departamento de Engenharia Química, DE/5, Instituto Militar de Engenharia, Rio de Janeiro, RJ, Brazil Synth. Commun. 2004, 34, 3901 Synthesis, Crystal Structure, and Conversion of the Polycyclic Tris‐Anhydrotetramer of O‐Aminobenzaldehyde to Cu(TAAB)2+ Xiangshu Xiao, Phillip E. Fanwick and Mark Cushman 1Department of Medicinal Chemistry and Molecular Pharmacology, School of Pharmacy and Pharmacal Sciences, Purdue University, West Lafayette, Indiana 47907, USA 2Department of Chemistry, Purdue University, West Lafayette, Indiana, USA Polycyclic tris‐anhydrotetramer 6 of o‐aminobenzaldehyde was synthesized directly from reduction of o‐nitrobenzaldehyde and its structure was determined by X‐ray crystallography. Synth. Commun. 2004, 34, 3909 A Fast and Efficient Deprotection of Aldehydes From Acylals Using a Wells‐Dawson Heteropolyacid Catalyst (H6P2W18O62 · 24 H2O) G. P. Romanelli,1,2 J. C. Autino,1 G. Baronetti,3 and H. J. Thomas2 1Laboratorio de Estudio de Compuestos Orgánicos (LADECOR), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, Argentina 2Centro de Investigación y Desarrollo en Ciencias Aplicadas, “Dr. Jorge J. Ronco” (CINDECA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata‐CONICET, La Plata, Argentina 3Departamento de Ingenierŕa Química, Pabellón de Industria, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina Aromatic and aliphatic acylals were deprotected (15 examples including nitro‐substituted ones); yields were 92–100%. Synth. Commun. 2004, 34, 3915 Preparation of Nitrogen Heterocycles of Spiro[Furo[2,3‐d]‐Pyrimidine]Pyrimidine Derivatives Branko S. Jursic and Edwin D. Stevens Department of Chemistry, University of New Orleans, New Orleans, Louisiana, USA Synth. Commun. 2004, 34, 3925 Selective Oxidation of Betulin for the Preparation of Betulinic Acid, an Antitumoral Compound André Pichette,1 Hongyan Liu,1,2 Christian Roy,2 Steve Tanguay,1 François Simard,1 and Serge Lavoie1 1Laboratoire LASEVE, Département des sciences fondamentales, Université du Québec à Chicoutimi, Chicoutimi, Québec, Canada 2Département de génie chimique, Université Laval, Sainte‐Foy, Québec, Canada Synth. Commun. 2004, 34, 3939 Convenient Synthesis and Isolation of Conformationally Rigid Glutamic Acid Analogues A. A. Greenfield and J. A. Butera Chemical and Screening Sciences, Wyeth Research, Princeton, New Jersey, USA A convenient synthetic methodology for the synthesis of highly conformationally restricted tricyclic aminodicarboxylic acids (1); bridged analogs of glutamic acid, is presented. The process can be used for preparation of the novel glutamate analogs. Synth. Commun. 2004, 34, 3949 Synthesis of the Four 3‐Aminotricyclo [2.2.1.0(2,6)] Heptane‐1,3‐Dicarboxylic Acid Isomers Reinhardt B. Baudy, Jean Y. Sze, and John A. Butera Chemical and Screening Sciences, Wyeth Research Inc., Princeton, New Jersey, USA A process to prepare the four stereoisomers of the tricyclic 3‐aminotricyclo[2.2.1.0(2,6)] heptane‐1,3‐dicarboxylic acid (1), a potent selective inhibitor of the EAAT2 transporter, is described. Synth. Commun. 2004, 34, 3955 An Efficient Synthesis of Bis‐Imidazo[1,2‐a]Pyridinylmethanes Rui Zhang and Yongzhou Hu Zhejiang University, Department of Medicinal Chemistry, School of Pharmaceutical Science, Hangzhou, P. R. China A simple and efficient synthesis of bis‐imidazo[1,2‐a]pyridinylmethanes has been developed by reaction of imidazo[1,2‐a]pyridine with appropriate aromatic aldehydes in high yields. Synth. Commun. 2004, 34, 3963 Alkatrienyl Sulfoxides and Sulfones. V. Tandem Cyclization, Rearrangement and Aromatization of 1‐ and 3‐Vinylallenyl Sulfoxides and Sulfones in Diels‐Alder Reaction Valerij Ch. Christov and Ivaylo K. Ivanov Department of Chemistry, University of Shumen, Shumen, Bulgaria Synth. Commun. 2004, 34, 3975 Solvent‐ and Catalyst‐Free Selective Mannich Reaction on Catechols and Para Substituted Phenols: A Convenient Route to Catechol‐ and Phenol‐Iminodiacetic Acid Ligands Amaury du Moulinet d'Hardemare, Olivier Jarjayes, and Florent Mortini Laboratoire d'Etudes Dynamiques et Structurales de la Sélectivité, Institut de Chimie Moléculaire de Grenoble, Université J. Fourier‐Grenoble I, France A solvent‐ and catalyst‐free selective aminomethylation reaction (Mannich reaction) on phenols and catechols is described, leading to iminodiacetic ester derivatives. Carefull acidic hydrolysis which avoid deaminomethylation by the quinone‐methide pathway is also described, so a variety of iminodiacetic acid ligands are obtained in a pure state. Synth. Commun. 2004, 34, 3989 Synthesis of Steroidal Oxazolidine Thiones in the Cholestane Series Mohammad Mushfiq, Thresiamma Manuel, and Rakhshanda Rehman Department of Chemistry, Aligarh Muslim University, Aligarh, India Steroidal α‐epoxides on reaction with 4‐fluorophenylisothiocyanate give the corresponding oxazolidine thiones along with other products. Synth. Commun. 2004, 34, 3997 ZrCl4‐Catalyzed Pechmann Reaction: Synthesis of Coumarins Under Solvent‐Free Conditions G. Smitha and Ch. Sanjeeva Reddy Department of Chemistry, Kakatiya University, Warangal, India Synth. Commun. 2004, 34, 4005 A Concise Synthesis of (±)‐Sporochnol A Shaojun Shan and Chengyong Ha Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou, China A concise synthesis of (±)‐sporochnol A by a reaction sequence starting from geraniol is described in 23.0% overall yield. Synth. Commun. 2004, 34, 4009 Reactions of Aroyl Chlorides with Samarium Metal in DMF—Controllable Syntheses of O‐Aroylbenzoins, 1,2‐Diarylethanones, and (Z)‐α,α′‐Stilbenediol Dibenzoates Yongjun Liu,1 Xiaoxia Wang,2 and Yongmin Zhang,1 1Department of Chemistry, Zhejiang University (Campus Xixi, Hangzhou, P. R. China 2College of Chemistry and Life Sciences, Zhejiang Normal Univeristy, Jinhua, Zhejiang, P. R. China 3State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, P. R. China Reduction of aroyl chlorides carried out in DMF with samarium metal has been studied. Samarium metal, which requires not any intended activation or pretreatment, was found to react with aroyl chloride in a controllable manner. Synth. Commun. 2004, 34, 4023 A Concise Synthesis of N‐(1,3‐Thiazol‐2‐yl) Indoline‐5‐Sulfonic Acids and Sulfonyl Chlorides Mingbao Zhang, Robert Dally, and William Bullock Department of Chemistry Research, Bayer Research Center, West Haven, Conneticut, USA Synth. Commun. 2004, 34, 4031 Organic Reactions in Ionic Liquids: A New Method for the Synthesis of Alkyl Aryl Sulfones by Alkylation of Sodium Arenesulfinates with Unactivated Alkyl Chlorides Yi Hu,1,2 Zhen‐Chu Chen,1,2 Zhang‐Gao Le,1 and Qin‐Guo Zheng3 1Ningbo Institute of Technology, Zhejiang University, Ningbo, P. R. China 2Department of Chemistry, Zhejiang University, Hangzhou, P. R. China 3Pharmaceutical Science Research Institute, Aston University, Aston Triangle, Birmingham, UK
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