Title of article
Silica gel-supported bis-cinchona alkaloid: a chiral catalyst for the heterogeneous asymmetric desymmetrization of meso-cyclic anhydrides
Author/Authors
Song، نويسنده , , Yu-Mi and Seok Choi، نويسنده , , Jin and Woon Yang، نويسنده , , Jung and Han، نويسنده , , Hogyu، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2004
Pages
4
From page
3301
To page
3304
Abstract
A one-pot conversion of meso-cyclic anhydrides with alcoholysis in diethyl ether using SGS-(DHQ)2AQN 4, a silica gel-supported chiral catalyst, into the corresponding desymmetrized mono ester acids was achieved with enantiomeric excesses of up to 84% under mild and efficient conditions.
Keywords
Catalyst immobilization , (DHQ)2AQN , meso-Cyclic anhydride , desymmetrization , SGS-(DHQ)2AQN
Journal title
Tetrahedron Letters
Serial Year
2004
Journal title
Tetrahedron Letters
Record number
1841353
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