Efficient synthesis of 5-alkyl amino and thioether substituted pyrazoles

被引:48
作者
Sakya, SM [1 ]
Rast, B [1 ]
机构
[1] Pfizer Inc, Vet Med Res & Dev, Groton, CT 06340 USA
关键词
D O I
10.1016/j.tetlet.2003.08.054
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Nucleophilic substitution reactions of 1-(4-methylsulfonyl-2-pyridyl)-5-chloropyrazoles with various substitutions at the 4 position with amine nucleophiles and thiols occur under mild conditions to provide the 5-alkyl amino and thioether pyrazoles in high yields. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码:7629 / 7632
页数:4
相关论文
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