A practical synthesis of 3,4-diethoxybenzthioamide based on Friedel-Crafts reaction with potassium thiocyanate in methanesulfonic acid

被引:16
作者
Aki, S [1 ]
Fujioka, T [1 ]
Ishigami, M [1 ]
Minamikawa, J [1 ]
机构
[1] Otsuka Pharmaceut Co Ltd, Proc Res Lab, Tokushima Factory 2, Kawaguchi, Tokushima 7710182, Japan
关键词
D O I
10.1016/S0960-894X(02)00398-0
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
The synthesis of 3,4-diethoxybenzthioamide, the key intermediate for OPC-6535, is achieved by employing Friedel-Crafts reaction of 1,2-diethoxybenzene with potassium thiocyanate in methanesulfonic acid at ambient temperature. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:2317 / 2320
页数:4
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