Copper-Catalyzed Cascade Reaction of 4-Iodopyrazole Derivatives with Amidines for the Synthesis of Pyrazolo[4,3-d]pyrimidine Derivatives

被引:30
作者
Nayak, Maloy [1 ]
Rastogi, Neeraj [2 ]
Batra, Sanjay [1 ]
机构
[1] Cent Drug Res Inst, CSIR, Med & Proc Chem Div, Lucknow 226001, Uttar Pradesh, India
[2] Sanjay Gandhi Postgrad Inst Med Sci, Ctr Biomed Magnet Resonance, Lucknow 226014, Uttar Pradesh, India
关键词
Synthetic methods; Nitrogen heterocycles; Copper; C-N coupling; COUPLING REACTIONS;
D O I
10.1002/ejoc.201101454
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
An efficient copper-catalyzed cascade reaction of 4-iodopyrazolecarbaldehydes and 4-iodopyrazolecarboxamides with substituted amidines for the preparation of substituted pyrazolo[4,3-d]pyrimidines and pyrazolo[4,3-d]pyrimidin-7(6H)-ones, respectively, is described.
引用
收藏
页码:1360 / 1366
页数:7
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