Chemoenzymatic Synthesis of Enantiomerically Pure<i>syn</i>-Configured 1-Aryl-3-methylisochroman Derivatives
作者:Robert C. Simon、Eduardo Busto、Nina Richter、Ferdinand Belaj、Wolfgang Kroutil
DOI:10.1002/ejoc.201301429
日期:2014.1
A two-step synthesis of various enantiomerically pure 1-aryl3-methylisochroman derivatives was accomplished through asymmetric biocatalytic ketone reduction followed by an oxa-Pictet–Spengler reaction. The compounds were obtained in good to excellent yield (47–92%) in favor of the syn diastereomers [dr (syn/anti) up to 99:1]. Enantiopure arylpro