Chirality 2009-08-01

Application of kinetic resolution using HCS as chiral auxiliary: novel synthesis of beta-blockers (S)-betaxolol and (S)-metoprolol.

Jing-Yu Zhang, Hong-Min Liu, Xiao-Jun Wang, Pei Wang, Jia-Xin Zheng

文献索引：Chirality 21(8) , 745-50, (2009)

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摘要

Optically pure (S)-betaxolol and (S)-metoprolol were prepared with an extremely facile and practical method using kinetic resolution of beta-amino alcohols employing HCS as chiral auxiliary. High enantiomeric purity (ee > 99%) was achieved and the synthetic strategy is amenable to industrial scale-up.Copyright 2008 Wiley-Liss, Inc.