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Microwave-induced Stereoselectivity in Synthesis of trans-4-Aryl-3-methyl-6-oxo-4,5,6,7-tetrahydro-2H- pyrazolo[3,4-b]pyridine-5-carbonitriles

Microwave-induced Stereoselectivity in Synthesis of trans-4-Aryl-3-methyl-6-oxo-4,5,6,7-tetrahydro-2H- pyrazolo[3,4-b]pyridine-5-carbonitriles

作     者:Rahmati, Abbas Alizadeh Kouzehrash, Meysam 

作者机构:Department of Chemistry University of lsfahan P. O. Box 81746-7344 Isfahan Iran 

出 版 物:《Chinese Journal of Chemistry》 (中国化学(英文版))

年 卷 期:2011年第29卷第11期

页      面:2373-2378页

核心收录:

学科分类:090403[农学-农药学(可授农学、理学学位)] 081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 09[农学] 070303[理学-有机化学] 0904[农学-植物保护] 0703[理学-化学] 

基  金:the Research Council of the University of Isfahan 

主  题:multi-component condensation reactions microwave pyrazolo[3,4-b]pyridine 3-amino-5- methylpyrazole 

摘      要:A facile synthesis of trans isomers of 4-aryl-3-methyl-6-oxo-4,5,6,7-tetrahydro-2H-pyrazolo[3,4-b]pyridine-5- carbonitriles via three-component condensation reaction of an aldehyde, 3-amino-5-methylpyrazole and ethyl cyanoacetate in acetonitrile has been developed under microwave irradiation. This one-pot reaction proceeds with-out any catalyst in short times and gives the product in high selectivities and high yields.

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