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Abstract
Synth. Commun. 2005, 35, 493
Hypervalent Iodine in Synthesis: A Novel Two‐Step Procedure for the Synthesis of New Derivatives of 1H‐Imidazo[1,2‐b]pyrazole by the Cyclocondensation between 5‐Amino‐4‐cyano‐3‐phenyl‐1H‐pyrazole and α ‐Tosyloxyacetophenones or α‐Haloacetophenones
Li Ming1, 2, Zhao Guilong1, Wen Lirong1, and Yang Huazheng2
1College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, P. R. China
2Institute of Elemento‐Organic Chemistry, Nankai University, Tianjin, P. R. China
A facile procedure for the synthesis of 1H‐Imidazo[1,2‐b]pyrazole framework using a hypervalent iodine compound.
Abstract
Synth. Commun. 2005, 35, 503
Synthesis of 3,4‐Dihydropyrimidine‐2(1H)‐thiones and Quinazolin‐4(3H)‐ones over Yb(III)‐Resin Catalyst Under Solvent‐Free Conditions
Zhidong Jiang and Ruifang Chen
School of Chemical Engineering and Chemistry, Shanghai Jiao Tong University, Shanghai 200240, China
Synthesis of 3,4‐dihydropyrimidine‐2(1H)‐thiones 4 and quinazolin‐4(3H)‐Ones 9 using Yb(III)‐resin catalyst under solvent‐free conditions.
Abstract
Synth. Commun. 2005, 35, 511
Novel Synthetic Route to Fluorinated β‐Carbolines by One‐Pot Reaction
Jinchang Ding1, Jing Gao1, Huayue Wu1, Xiaobo Huang1, and Chengye Yuan2
1Department of Chemistry and Material Science, Wenzhou Normal College, Wenzhou 325027, P. R. China
2Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P. R. China
Abstract
Synth. Commun. 2005, 35, 521
Facile Synthesis of Novel Ionic Liquids containing Dithiocarbamate
Dingjun Zhang, Jianmin Chen, Yongming Liang, and Huidi Zhou
State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences; Graduate School of the Chinese Academy of Sciences, Lanzhou 730000, China
The synthesis and characterization of several new ionic liquids derivatives containing dithiocarbamate are described.
Abstract
Synth. Commun. 2005, 35, 527
Simple Approach to the High Stereoselective Synthesis of trans‐2,3‐Dihydrofuran Derivatives
Weiguo Cao1, 2, Guodong Chen1, Jie Chen1, and Rongqing Chen1
1Department of Chemistry, Shanghai University, Shanghai 200436, P. R. China.
2State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Science, Shanghai 200032, P. R. China
In the presence of K2CO3, 1 reacted with 2 in benzene to give trans‐2,3‐dihydrofuran derivatives 3 in good yield with high stereoselectivity.
Abstract
Synth. Commun. 2005, 35, 535
Microwave‐Assisted Three‐Component Condensation on Montmorillonite K10: Solvent‐Free Synthesis of Furopyrimidines, Furocoumarins and Furopyranones
A. Shaabani, M. B. Teimouri, S. Samadi, and K. Soleimani
Chemistry Department, Shahid Beheshti University, P. O. Box 19839‐4716, Tehran, Iran
Abstract
Synth. Commun. 2005, 35, 543
Synthesis and Pummerer Reaction of α,ω‐Bis(Fluoroalkylsulfinylmethyl)Polyethylene Glycols
N. Grayaa Jaoued, R. Oueslati, and A. Hedhli
Laboratoire de Chimie Moléculaire Organique, Ecole Supérieure des Sciences et Techniques de Tunis, 5, avenue Taha Hussein, Montfleury, 1089 Tunis, Tunisia
Sulfides 1 were chemoselectively converted into sulfoxides 2. Pummerer rearrangement of 2 was investigated.
Abstract
Synth. Commun. 2005, 35, 557
Oxidative‐Aromatization of Hantzsch Ester 1,4‐Dihydro‐pyridines by KBrO3/SnCl4 · 5H2O under Mild Condition
Behzad Zeynizadeh, Karim Akbari Dilmaghani, and Asli Roozijoy
Department of Chemistry, Faculty of Sciences, Urmia University, Urmia 57159‐165, Iran
1,4‐dihydropyridines can be converted to their corresponding pyridine derivatives in moderate to excellent yields.
Abstract
Synth. Commun. 2005, 35, 563
New Convenient Synthesis of Homoisoflavanones and (±)‐Di‐O‐methyldihydroeucomin
B. Serge Kirkiacharian and Michel Gomis
Laboratoire de Chimie Thérapeutique, Faculté de Pharmacie de Paris‐Sud, 5, Rue J.B Clement, 92296 Chatenay, Malabry Cedex, France
Abstract
Synth. Commun. 2005, 35, 571
Potassium Permanganate Oxidation of Organic Compounds
A. Shaabani1, F. Tavasoli‐Rad1, and D. G. Lee2
1Chemistry Department, Shahid Beheshti University, P. O. Box 19396‐4716, Tehran, Iran
2Department of Chemistry. University of Regina, Regina, Canada
Abstract
Synth. Commun. 2005, 35, 581
Facile Synthesis of Novel Indeno[1,2‐b]indol‐10‐one Derivatives by the Oxidation With DDQ
Jun‐Bo Wang, Qing‐Gang Ji, Jing Xu, Xi‐Han Wu, and Yu‐Yuan Xie
SKLDR, Shanghai Institute of Materia Medica, SIBS, CAS 555 Zuchongzhi Road, Shanghai 201203, P. R. China
The synthesis of indeno[1,2‐b]indol‐10‐one analogues with a wide range of biological activities was described.
Abstract
Synth. Commun. 2005, 35, 589
An Approach to Double Thialixarene
Yan Jin, Qingsheng Liu, Shuling Gong, and Yuanyin Chen
Department of Chemistry, Wuhan University, Wuhan, China
Abstract
Synth. Commun. 2005, 35, 595
Synthesis of 7‐Keto‐Gö6976 (ICP‐103)
Sudipta Roy1, Alan Eastman2, and Gordon W. Gribble1
1Department of Chemistry, Dartmouth College, Hanover, New Hampshise 03755, USA
2Department of Pharmacology and Toxicology, Dartmouth Medical School, Hanover, NH 03755, USA
An efficient synthesis of 7‐keto‐Gö6976 (ICP‐103) (3) is described that employs palladium(II) triflate in the final oxidative cyclization step.
Abstract
Synth. Commun. 2005, 35, 603
Synthesis of photochromic monomers derived from 1′‐(2‐methacryloxyethyl)‐3,3‐dimehtyl‐2‐[2h]‐spirobenzopyran indoline
Luis Ernesto Elizalde, Raquel Ledezma, and Rául G. López
Centro de Investigación en Química Aplicada, Blvd. Enrique Reyna #140, Saltillo Coahuila México
The synthesis of five photochromic monomers derived from N‐(2‐methacryloxyethyl)‐3′, 3′‐dimethylspiro‐[2H‐1] benzopyrane‐2, 2′‐indoline are reported.
Abstract
Synth. Commun. 2005, 35, 611
C‐C Bond Cleavage Studies in Bipyrazoles: A Convenient Synthesis of Pyrazol‐5‐ols
Shiv P. Singh1, Rajesh Naithani2, Ranjana Aggarwal1, and Om Prakash1
1Department of Chemistry, University of Kurukshetra, Kurukshetra‐136119 (India)
2Department of Chemistry, University of Illinois at Chicago, Chicago‐60607
Some hydrazines on reaction with 4‐acetoacetyl derivative of pyrazole in sodium acetate/acetic acid/ethanol resulted in unexpected C‐C bond cleavage affording a convenient route for pyrazol‐5‐ols.
Abstract
Synth. Commun. 2005, 35, 621
A Simple and Efficient Synthesis of New Dihydrospiro[(1H)Quinoline‐2,1′‐Cyclohexane] Derivatives via Internal Friedel‐Crafts Alkene Alkylation of N‐(1‐AllylcycloHexanyl)Ethylphenylamine
Vladímir V. Kouznetsov, Luz Dary Avellaneda Duarte, and Elena E. Stashenko
Laboratorio de Síntesis Orgánica Fina, Escuela de Química, Universidad Industrial de Santander, A.A. 678, Bucaramanga, Colombia
The 1‐allyl‐6‐ethyl‐4‐methyl‐3,4‐dihydrospiro[(1H)quinoline‐2,1′‐cyclohexane] (4) which was obtained by two different routes undergoes an amino‐Claisen transposition to afford the 8‐allyl‐6‐ethyl‐4‐methyl substituted spiroquinoline (5) or an second internal alkylation reaction promoted by Brönsted acid to give a new unnatural lilolidine spiroderivative (6).
