An Efficient, Three-component One-pot Preparation of 1,4-Dihydropyridines Containing Novel Substituted Pyrazole under Sulfamic Acid Catalysis  

作　　者：Li, Jianping Qiu, Jikuan Li, Huijuan Zhang, Guisheng 

机构地区：[1]College of Chemistry and Environmental Science, Key Labaratory of Green Chemical Media and Reactions, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, China

出　　处：《Chinese Journal of Chemistry》2011年第3期511-514,共4页中国化学（英文版）

摘　　要：An efficient approach to 1,4-dihydropyridines containing novel substituted pyrazole is achieved via threecomponent reaction of pyrazolyl aldehyde, β-ketoester, and ammonium acetate in one-pot under sulfamic acid catalysis.An efficient approach to 1,4-dihydropyridines containing novel substituted pyrazole is achieved via threecomponent reaction of pyrazolyl aldehyde, β-ketoester, and ammonium acetate in one-pot under sulfamic acid catalysis.

关 键 词：Hantzsch reaction 1 4-dihydropyridines PYRAZOLE sulfamic acid CATALYSIS synthesis 

分 类 号：TQ453.3[化学工程—农药化工] O626.21[理学—有机化学]