![Sample our Physical Sciences journals, sign in here to start your FREE access for 14 days]({"type":"image" , "src" : "/sda/110819/TOC-Subject-Sample-2021-Physical-Sciences.jpg"})
Abstract
Synth. Commun. 2004, 34, 2127
A Facile Method for the Synthesis of Acetylcarbazoles and Carbazole aldehydes
R. Nagarajan and P. T. Perumal*
Organic Chemistry Division, Central Leather Research Institute, Adyar, Chennai, India
Acetylation of 9‐alkylcarbazoles with acetic anhydride catalyzed by PPh3·HClO4 was reported to give acetylcarbazoles and carbazole aldehydes with Vilsmeier reagent under MW conditions.
Abstract
Synth. Commun. 2004, 34, 2135
Chemoselective Tetrahydropyranylation of Alcohols and Their Detetrahydropyranylation Using Silicasulphuric Acid as a Reusable Catalyst
D. M. Pore,1 Uday V. Desai,1,* R. B. Mane,1 and P. P. Wadgaonkar2
1Department of Chemistry, Shivaji University, Kolhapur, India
2Polymer Division, National Chemical Laboratory, Pune, India
A simple, mild, and efficient protocol for chemoselective protection of alcohols over phenols as tetrahydropyranyl ethers and their deprotection using silicasulphuric acid as a reusable solid acid catalyst is described.
Abstract
Synth. Commun. 2004, 34, 2143
Novel Bromination Method for Anilines and Anisoles Using NH4Br/H2O2 in CH3COOH
K. V. V. Krishna Mohan, N. Narender, P. Srinivasu, S. J. Kulkarni,* and S. K. V. Raghavan
Catalysis Group, Indian Institute of Chemical Technology, Hyderabad, India
An efficient, regioselective, and environmentally safe method for the oxybromination of aromatic compounds without catalyst is reported for the first time.
Abstract
Synth. Commun. 2004, 34, 2153
Iodobenzene Diacetate Mediated Solid State Synthesis of Heterocyclyl‐1,3,4‐Oxadiazoles
V. S. Rao* and K. V. G. Chandra Sekhar
Chemistry Group, Birla Institute of Technology and Science, Pilani, Rajasthan, India
A simple and efficient method has been developed for the oxidation of various heterocyclyl acylhydrazones 3 with iodobenzene diacetate (IBD) to heterocyclyl‐1,3,4‐oxadiazoles 4 in solid state.
Abstract
Synth. Commun. 2004, 34, 2159
Regioselective Synthesis of 3‐(Aryloxyacetyl)‐2,3‐dihydrothieno[2,3‐b][1]benzothiopyran‐4‐ones via Tandem Cyclization
K. C. Majumdar,* A. Bandyopadhyay, and S. K. Ghosh
Department of Chemistry, University of Kalyani, Kalyani, West Bengal, India
Abstract
Synth. Commun. 2004, 34, 2169
One‐Pot Synthesis Of 4(3H)‐Quinazolinones
Bashir A. Bhat and Devi P. Sahu*
Chemical Technology Division, Central Drug Research Institute, Lucknow, India
4(3H)‐Quinazolinones have synthesized in single pot protocol from anthranilamide and aldehydes.
Abstract
Synth. Commun. 2004, 34, 2177
Microwave Assisted Copper Promoted N‐Arylation of Amines with Aryl Boronic Acids/Salts on a KF–Alumina Surface
Pralay Das and Basudeb Basu*
Department of Chemistry, North Bengal University, Darjeeling, India
Abstract
Synth. Commun. 2004, 34, 2185
A Simple and Direct Synthesis of erythro‐β‐amino‐α‐hydroxy esters From Trans‐β‐phenylglycidic Ester
Rafâa Besbes and Mohamed Rached Ennigrou*
Laboratoire de Synthèse Organique par voie Organométallique, Faculté des Sciences de Tunis, Campus Universitaire, El Manar, Tunis‐Tunisie
A pratical procedure for regio‐ and chemoselective synthesis of erythro‐β‐amino‐α‐hydroxy esters 2 has been described.
Abstract
Synth. Commun. 2004, 34, 2195
Condensation of 2‐pyrone With 3‐aminopyrazolone. A Novel Synthesis of pyrazolo[3,4‐b]pyridines
S. Fadel,1 Y. Hajbi,1 E.M. Rakib,1,* M. Khouili,1 M.D. Pujol,2 and G. Guillaumet3
1Lab de Chimie Org. et Analytique, Fac. des Sciences et Tech., Béni‐Mellal, Maroc
2Lab. Química Farmacèutica, Fac. de Farmàcia, Univ. de Barcelona, Barcelona, Spain
3Institut de Chimie Org. et Analytique, UMR‐CNRS 6005, Univ. d'Orléans, rue de Chartres, BP‐6759, 45067 Orléans cedex 2, France
New pyrazolo[3,4‐b]pyridines have been synthesized by the condensation of 2‐pyrone with 3‐aminopyrazolone.
Abstract
Synth. Commun. 2004, 34, 2205
Efficient and Novel Synthesis of N‐Aryl‐N′‐ethoxycarbonylthiourea and Arene‐bis‐ethoxycarbonylthiourea Derivatives Catalyzed by TMEDA
Tai‐Bao Wei, Qi Lin, You‐Ming Zhang,* and Hai Wang
Department of Chemistry, Northwest Normal University, Lanzhou, Gansu 730070, P.R. China
A series of N‐aryl‐N′‐ethoxycarbonyl thioureas and arene‐bis‐ethoxycarbonylthiourea derivatives have been synthesized in good to excellent yields under the TMEDA catalytic conditions at room temperature.
Abstract
Synth. Commun. 2004, 34, 2215
Microwave Assisted Condensation of Aromatic Methyl Groups with Aromatic Aldehydes
Kasper Moth‐Poulsen,1,2 Theis Reenberg,1 Thomas Bjørnholm2 and Jørn B. Christensen1,*
1Chemical Laboratory II, Department of Chemistry and 2Nano‐Science Center, University of Copenhagen, Denmark
Abstract
Synth. Commun. 2004, 34, 2223
Synthesis of Novel Biarenes of 3‐Biaryl‐1‐Ferrocenyl‐2‐Propene‐1‐one
Qing‐bao Song,* Ru‐xiang Lin, and Tian‐hua Shen
College of Chemical Engineering and Materials Science, Zhejiang University of Technology, Hangzhou, P.R. China
The compound 5 were synthesized via Suzuki cross‐coupling reaction of bromoarene 3 with arylboronic acid 4.
Abstract
Synth. Commun. 2004, 34, 2229
A simple and Convenient Synthesis of Hept Analogues Via a One‐pot Reduction–sulfenylation Reaction
Guangfu Sun, Yunyan Kuang, Suxi Wang, and Fener Chen*
Department of Chemistry, Fudan University, Shanghai, P.R. China
The one‐pot reduction–sulfenylation of 5‐alkyl‐6‐chlorouracils with diaryl disulfides in the presence of NaBH4 in methanol was carried out to afford HEPT analogues in good to excellent yields.
Abstract
Synth. Commun. 2004, 34, 2237
Efficient Aerobic Oxidation of Alcohols to Carbonyl Compounds with NHPI/CAN Catalytic System
Sung Soo Kim* and Gurusamy Rajagopal#
Department of Chemistry and Center for Chemical Dynamics, Inha University, Incheon, South Korea
Aerobic oxidation of various secondary alcohols into their corresponding carbonyl compounds has been accomplished by using (NHPI)/(CAN). Primary alcohol and allylic alcohols were transformed in relatively moderate yield.
Abstract
Synth. Commun. 2004, 34, 2245
Microwave‐Assisted Solvent‐Free Synthesis of Some Styryl Dyes with Benzimidazole Nucleus
Lanying Wang,* Xiaogang Zhang, Fengmei Li, and Zuxun Zhang
Department of Chemistry, Northwest University, Shaanxi, Xi'an, P.R. China
A series of styryl dyes with benzimidazole nucleus were synthesized under solvent‐free microwave irradiation by the condensation of 2‐alkylbenzimidazole with aromatic aldehydes in the presence of Ac2O.
Abstract
Synth. Commun. 2004, 34, 2253
Dibromomethane as One‐Carbon Source in Organic Synthesis: The Mannich Base Formation from the Reaction of Phenolic Compounds with a Preheated Mixture of Dibromomethane and Diethylamine
Yung‐Son Hon,1,2,* Yu‐Yu Chou,1 and I‐Che Wu1
1Department of Chemistry and Biochemistry, National Chung Cheng University, Chia‐Yi, Taiwan, R.O.C.
2Institute of Chemistry, Academia Sinica, Nankang, Taipei, Taiwan, R.O.C.
Abstract
Synth. Commun. 2004, 34, 2269
Mild and Efficient Synthesis of 1,8‐Naphthalide and 1,8‐naphthalenedimethanol
Huan Luo,1 Qingle Zeng,1,2,* Zhongrong Liu,2 Yongzhi Wei,1 Bogang Li,2,3,* and Fengpeng Wang1
1West China College of Pharmacy and College of Chemical Engineering, Sichuan University, Chengdu, China
2Institute of Pharmacy, Chengdu Diao Pharmaceutical Group, Chengdu, China
3Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu, China
Abstract
Synth. Commun. 2004, 34, 2277
Efficient Synthesis of the Cyanofluoromethylated Ketones: Michael Reaction of the Cyanofluoromethyl Anion Species to Unsaturated Ketones
Yasuo Yokoyama,* Rikiya Ohira, Hiroaki Tanaka, Shoko Suzuki, and Masatsugu Kajitani
Department of Chemistry, Faculty of Science and Technology, Sophia University, Chiyoda‐ku, Tokyo, Japan
Abstract
Synth. Commun. 2004, 34, 2289
Mercuric Nitrate‐Mediated Deprotection of Oximes, Hydrazones and Semicarbazones
Surya Kanta De
Deptartment of Chemistry, University of Washington, Seattle, Washington, USA
Abstract
Synth. Commun. 2004, 34, 2295
Use of a Modified Leimgruber–Batcho Reaction to Prepare 6‐Chloro‐5‐fluoroindole
Jon M. Bentley, James E. Davidson, Matthew A. J. Ducton,* Paul R. Giles, and Robert M. Pratt
Department of Chemistry, Vernalis Research Ltd., Oakdene Court, Winnersh, Wokingham, UK
Abstract
Synth. Commun. 2004, 34, 2301
A New Synthesis of 5,8‐dimethyl‐2‐tetralone: A Potential Intermediate for the Synthesis Of Ring‐a Aromatic Sesquiterpenes, Novel Transformation During Acetoxylation of 5,8‐dimethyldihydronapthalene
Ajoy. K. Banerjee,* William Vera, and Manuel S. Laya
Centro de Quimica, IVIC, Apartado 21827, Caracas 1020A, Venezuela
A simple synthesis of 5,8‐dimethyl‐2‐tetralone (4) is described. Acetoxylation of (±) 5,8‐Dimethyldihydronaphthalene (3) is discussed
Abstract
Synth. Commun. 2004, 34, 2309
A Simple Preparation of PEG‐Carboxylates by Direct Oxidation
Alexander Fishman, Austin Acton, and Edward Lee‐Ruff*
Department of Chemistry, York University, Toronto, Ontario, Canada
A simple and efficient preparation of a number of PEG‐carboxylates is described. The syntheses are considerably more cost‐effective than existing procedures and allow for easier purifications.
