(4RS,5RS)-4,5-Diphenylimidazolidine-2-thione is resolved efficiently by treatment with NaHMDS and an enantiomerically pure pentafluorophenyl active ester. The levels of diastereocontrol were excellent (up to 90% de). (C) 2010 Elsevier Ltd. All rights reserved.
(4RS,5RS)-4,5-二苯基咪达灵-2-
硫酮在经过
NaHMDS和光学纯的
五氟苯基活性酯处理后,得以高效拆分。对映异构控制的
水平非常出色(高达90% de)。版权© 2010爱思唯尔有限公司,版权所有。