共 11 条
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.
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页码:7629 / 7632
页数:4
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