Remarkable effect of lithium salts in Friedel-Crafts acylation of 2-methoxynaphthalene catalyzed by metal triflates

被引:56
作者
Kobayashi, S [1 ]
Komoto, I [1 ]
机构
[1] Univ Tokyo, Grad Sch Pharmaceut Sci, Bunkyo Ku, Tokyo 1130033, Japan
关键词
D O I
10.1016/S0040-4020(00)00610-4
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
In the presence of a catalytic amount of a metal triflate such as Sb(OTf)(3) or Ga(OTf)(3), 2-methoxynaphthalene reacted with acetic anhydride in nitromethane-lithium perchlorate to afford 2-acetyl-6-methoxynaphthalene, a well-known intermediate for the synthesis of naproxen, in a high yield. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:6463 / 6465
页数:3
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