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Abstract
Synth. Commun. 2004, 34, 1173
Allyltriphenylphosphonium Peroxodisulfate (CH2˭CHCH2PPh3)2‐ S2O8: An Efficient and Convenient Reagent for the Oxidation of Alcohols and Silyl and THP‐Ethers under Nonaqueous Conditions
M. Tajbakhsh,* M. M. Lakouraj,* and A. Fadavi
Department of Chemistry, Faculty of Science, University of Mazandaran, Babolsar, Iran
The preparation of allyltriphenylphosphonium peroxodisulfate (ATPPD) as a new and efficient reagent for the oxidation of primary and secondary alcohols, trimethylsilyl and tetrahydropyranyl ethers to their corresponding carbonyl compounds in refluxing acetonitrile with 1.1:1 molar equivalents of the oxidant is described.
Abstract
Synth. Commun. 2004, 34, 1183
A Facile Synthesis of 3‐Substituted Phthalides
Guo Li, Dali Yin,* and Xiao‐Tian Liang
Institute of Materia Medica, Chinese Academy of Medical Science & Peking Union Medical College, Beijing, P.R. China
A new method was found for the synthesis of 3‐substituted phthalides featured with the convenient condensation reaction of 3‐ethoxyphthalide with carbanions in high yields.
Abstract
Synth. Commun. 2004, 34, 1191
Synthesis of C 2‐Symmetric 2,2′‐Bipyridines Derived from 4‐Substituted 1,10,10‐Trimethyl‐3‐Oxa‐5‐Aza‐Tricyclo[5.2.1.02,6]Decane
Stephen R. Davies, Christopher P. Cain, Matthew T. Glossop, Marie‐Laure Mengent, and Terence P. Kee*
Department of Chemistry, University of Leeds, Leeds, UK
Abstract
Synth. Commun. 2004, 34, 1199
Solvent‐Free Synthesis of Aryl Tosylates under Microwave Activation
Li‐wen Xu and Chun‐gu Xia*
State Key Laboratory of Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Science, Lanzhou, P.R. China
A convenient, solvent‐free, economical, clean and high‐speed method for synthesis of aryl tosylates.
Abstract
Synth. Commun. 2004, 34, 1207
Lithium Perchlorate Mediated Three‐Component Preparation of α‐Aminonitriles under Solvent‐Free Conditions
Najmedin Azizi and Mohammad R. Saidi*
Department of Chemistry, Sharif University of Technology, Tehran, Iran
Abstract
Synth. Commun. 2004, 34, 1215
Efficient Microwave‐Assisted Cyanation of Aryl Bromide
Liangzhen Cai,1 Xin Liu,1 Xiaochun Tao,1 and Dong Shen2,*
1Department of Chemistry, East China University of Science and Technology, Shanghai, China
2Chemical Physics Lab, Science College, East China University of Science and Technology, Shanghai, China
Aryl nitriles were quickly prepared from the corresponding bromides and copper cyanide in good yields through microwave‐accelerated Rosenmund–von Braun reaction in N‐methylpyrrolidinone (NMP) under ambient pressure.
Abstract
Synth. Commun. 2004, 34, 1223
One‐Step Synthesis of ortho‐Hydroxycinnamaldehyde
Jong Han Kim,1 Sangku Lee,1 Mu‐Gil Kwon,2 Yong Soo Park,2 Sung‐Kyu Choi,1 and Byoung‐Mog Kwon1,*
1Korea Research Institute of Bioscience and Biotechnology, Taejon, Republic of Korea
2Kunwha Pharmaceutical, Ltd., Choongnam, Republic of Korea
Abstract
Synth. Commun. 2004, 34, 1229
Microscale Preparation of Isotopically Enriched 37ClHC˭CHF
Alessandro Baldan*
Dipartimento di Chimica Fisica, Università Ca' Foscari di Venezia, Venice, Italy
37ClHC˭CHF is of interest in the spectroscopic field and can be produced selectively starting from BrHC˭CHF and 37Cl2.
Abstract
Synth. Commun. 2004, 34, 1237
Synthesis of Salicylaldimine Schiff Bases with Benzo‐10‐Aza‐15‐Crown‐5 Pendant
Xingyao Wei,1 Zhihua Mao,2 Jianzhang Li,1 and Shengying Qin1,*
1Department of Chemistry and 2Analytical and Testing Center, Sichuan University, Chengdu, P.R. China
Abstract
Synth. Commun. 2004, 34, 1247
Synthesis of Methoxy‐2‐Hydroxy‐1,4‐Naphthoquinones and Reaction of One Isomer with Aldehydes under Basic Conditions
Farouk Ameer,1 Robin G. F. Giles,2 Ivan R. Green,1,* and René Pearce1
1Department of Chemistry, University of the Western Cape, Bellville, South Africa
2Department of Chemistry, Murdoch University, Murdoch, Western Australia, Australia
Conversion of tetralones 6 into 2‐hydroxyquinone analogues 7 and the transformation of one analogue into the naphtho[2,3‐b]pyranquinone 19 is described.
Abstract
Synth. Commun. 2004, 34, 1259
A New and Facile Method for the Synthesis of Nitrocarbazoles by Urea Nitrate
Rajagopal Nagarajan, D. Muralidharan, and Paramasivan T. Perumal*
Organic Chemistry Division, Central Leather Research Institute, Chennai, India
Urea nitrate in acetic acid is found to be an effective and mild nitrating agent for the preparation of mono nitrocarbazoles.
Abstract
Synth. Commun. 2004, 34, 1265
Studies on Thio‐claisen Rearrangement: Regioselective Synthesis of Thiopyrano[2,3‐b]Pyran‐2‐Ones and Thieno[2,3‐b]Pyran‐2‐Ones
K. C. Majumdar,* S. Sarkar, and S. Ghosh
Department of Chemistry, University of Kalyani, Kalyani, W.B., India
Abstract
Synth. Commun. 2004, 34, 1277
A Solvent‐Free Procedure for Synthesis of N‐Sulfonylimines Using Microwave Irradiation Catalyzed by ZrO2/S2O8 2− Solid Superacid
Tongshou Jin,* Guoliang Feng, Mina Yang, and Tongshuang Li
Department of Chemistry, College of Chemistry and Environmental Science, Hebei University, Baoding 071002, P.R. China
A solvent‐free synthesis of N‐sulfonylimines from aldehydes with sulfonamides is described using ZrO2/S2O8 2− as catalyst under microwave irradiation. This method is fast and high yielding for a range of substrates.
Abstract
Synth. Commun. 2004, 34, 1285
A Novel Phase Transfer Catalyzed Synthesis of Dialkyl Phosphorocyanidates from Dialkyl Phosphorochloridates
Enxue Shi and Chengxin Pei
Beijing Institute of Pharmaceutical Chemistry, Beijing, P.R. China
Dialkyl phosphorocyanidates 2a–2d were prepared from dialkyl phosphorochloridates 1a–1d and potassium cyanide in high yield under phase transfer catalyzed conditions.
Abstract
Synth. Commun. 2004, 34, 1289
A Novel Reaction of Aldeoxime with Dimedone under Microwave Irradiation
Shujang Tu,1 Yuan Gao,2 Chunbao Miao,1 Tuanjie Li,1 Xiaojing Zhang,1 Songlei Zhu,1 Fang Fang,1 and Daqing Shi1
1Department of Chemistry, Key Laboratory of Biotechnology on Medical Plant, Xuzhou Normal University, Jiangsu, Xuzhou, Jiangsu 221009, P.R. China
2Department of Chemistry, Shenzhen University, Shenzhen, Guangdong 518060, P.R. China
Abstract
Synth. Commun. 2004, 34, 1295
Effective Synthesis of 7‐Amino‐6‐Cyano‐5‐Aryl‐5H‐Pyrano[2,3‐d]Pyrimidine‐2,4(1H,3H)‐Diones under Microwave Irradiation
Yuan Gao,1 Shujang Tu,2,* Tuanjie Li,2 Xiaojing Zhang,2 Songlei Zhu,2 Fang Fang,2 and Daqing Shi2
1Department of Chemistry, Shenzhen University, Shenzhen, Guangdong, P.R. China
2Department of Chemistry, Key Laboratory of Biotechnology on Medical Plant, Xuzhou Normal University, Xuzhou, Jiangsu, P.R. China
Abstract
Synth. Commun. 2004, 34, 1301
Synthesis of 4‐Alkyl‐1(2H)‐Phthalazinones and 4‐Alkyl‐2,3‐Benzoxazin‐1‐Ones Via Ring Cleavage of 3‐Substituted N‐Alkylated‐3‐Hydroxyisoindolin‐1‐Ones
Tae Gyu Chun,1 Kyung Soon Kim,2 Sangku Lee,2 Tae‐Sook Jeong,2 Hee‐Yoon Lee,1 Yong Hae Kim,1 and Woo Song Lee2,*
1Department of Chemistry and School of Molecular Science, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea
2Korea Research Institute of Bioscience and Biotechnology, Yusong, Daejeon, Republic of Korea
Abstract
Synth. Commun. 2004, 34, 1309
Triphenyl Phosphonium Perchlorate Catalyzed Imino Diels–Alder Reactions: Diastereoselective Synthesis of Indolylquinolines
Y. Zulykama, R. Nagarajan, and P. T. Perumal*
Organic Chemistry Division, Central Leather Research Institute, Adyar, Chennai 600 020, India
Abstract
Synth. Commun. 2004, 34, 1317
Versatile Reagent for Reduction of Azides to Amines
Bikash Pal, Parasuraman Jaisankar, and Venkatachalam S. Giri*
Department of Medicinal Chemistry, Indian Institute of Chemical Biology, Calcutta, India
Abstract
Synth. Commun. 2004, 34, 1325
A Facile Synthesis of 3,4‐Benzo‐β‐Carbolines
Sathananthan Kannadasan and Panayencheri C. Srinivasan*
Department of Organic Chemistry, University of Madras, Chennai, India
A convenient method for the synthesis of 3,4‐benzo‐β‐carbolines (10) from the corresponding N‐phenylsulfonyl‐3‐bromo‐N′‐aryl isogramines (5) via radical cyclization methodology has been reported.
Abstract
Synth. Commun. 2004, 34, 1337
Synthesis of Functionalized N‐Arylsulfonylaridines from α,β‐Unsaturated Esters, Amides, Ketones, and Nitriles using N,N‐Dichloroarylsulfonamides as Nitrogen Source
Upender K. Nadir* and Anamika Singh
Chemistry Department, Indian Institute of Technology, New Delhi, India
A convenient and general aziridination process for the synthesis of functionalized N‐arylsulfonylaziridines is described.
