9-Thiourea Cinchona alkaloid supported on mesoporous silica as a highly enantioselective, recyclable heterogeneous asymmetric catalyst

Literature Information

Publication Date 2008-03-17
DOI 10.1039/B800640G
Impact Factor 6.222
Authors

Peng Yu, Jing He, Canxiong Guo


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Abstract

A readily recycled and regenerated heterogeneous catalyst of 9-thiourea epi-quinine supported on mesoporous silica exhibits enhanced enantioselectivity (up to 99.2%) in the asymmetric Friedel–Crafts reaction of imines with indoles.

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