Friedel-Crafts acylation of ferrocene catalyzed by immobilized ytterbium(III) triflate in ionic liquid

被引：19
|
作者：
Li, JJ [1 ]
Su, WK [1 ]
Lin, JD [1 ]
Chen, M [1 ]
Li, J [1 ]
机构：
[1] Zhejiang Univ Technol, Coll Pharmaceut Sci, Hangzhou, Peoples R China
来源：
SYNTHETIC COMMUNICATIONS | 2005年 / 35卷 / 14期
基金：
中国国家自然科学基金;
关键词：
acylation; catalyst; ferrocene; Friedel-Crafts; ionic liquid; ytterbium triflate;
D O I：
10.1081/SCC-200064991
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Ytterbium triflate [Yb(OTf)(3)]-catalyzed Friedel-Crafts acylation of ferrocene with anhydrides or acyl chlorides in n-butylpyridinium tetrafluoroborate (BPyBF4) ionic liquid proceeded smoothly under mild conditions. The immobilized catalytic system (solvent/catalyst) was easily recovered and reused without any loss of activity. Chemoselective monoacylferrocenes were obtained in high yields by this catalytic system.
引用
收藏
页码：1929 / 1937
页数：9
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