The first asymmetric total synthesis of several 3,4-dihydroxy-2,2-dimethyl-chroman derivatives
作者:Qiaoling Wang、Xuegong She、Xinfeng Ren、Junying Ma、Xinfu Pan
DOI:10.1016/j.tetasy.2003.10.040
日期:2004.1
The stereoisomers of 3,4-dihydroxy-6-methoxy-2,2-dimethyl-chroman 1a-c and 3,4,7-trihydroxy-6-acetyl-2,2-dimethyl-chroman 2a-c were conveniently prepared for the first time via a synthesis in which Sharpless asymmetric dihydroxylation and Jacobsen's catalytic asymmetric epoxidation are the key steps. (C) 2003 Elsevier Ltd. All rights reserved.