Lipase TL®-mediated kinetic resolution of benzoin:: facile synthesis of (1R,2S)-erythro-2-amino-1,2-diphenylethanol

Lipase TL®-mediated kinetic resolution of benzoin:: facile synthesis of (1R,2S)-erythro-2-amino-1,2-diphenylethanol
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DOI:
10.1016/s0040-4039(00)01832-3
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发表时间:
2000-12-23
影响因子:
1.8
通讯作者:
Williams, RM
Williams, RM
中科院分区:
化学4区
文献类型:
--
作者:
Aoyagi, Y;Agata, N;Williams, RM

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脂肪酶TL(R)介导的(+/-)-苯偶姻(1)的动力学拆分继续得到相应的光学纯苯偶姻(R)-1。另一方面,(S)-安息香-O-乙酸酯(5)在碱性条件下可水解而不发生差向异构化,得到(S)-安息香(S)-1。此外,根据先前报道的方法,将(R)-1转化为(IR,2S)-2-氨基-1,2-二苯基乙醇(99:1 er)。(C)2000爱思唯尔科技有限公司版权所有。
The lipase TL(R)-mediated kinetic resolution of (+/-)-benzoin (1) proceeded to give the corresponding optically pure benzoin (R)-1. On the other hand, (S)-benzoin-O-acetate (5) could be hydrolyzed without epimerization to give (S)-benzoin (S)-1, under alkaline conditions. Further, (R)-1 was converted to (IR,2S)-2-amino-1,2-diphenylethanol (99:1 er) according to the procedure reported previously. (C) 2000 Elsevier Science Ltd. All rights reserved.