Electochemical asymmetric dimerization of cinnamic acid derivatives and application to the enantioselective syntheses of furofuran lignans
作者:Naoki Mori、Akiko Furuta、Hidenori Watanabe
DOI:10.1016/j.tet.2016.10.058
日期:2016.12
A new electrochemical method for the asymmetric oxidative dimerization of cinnamic acidderivatives has been developed. This method enabled the enantioselective syntheses of furofuran lignans, yangambin, sesamin and eudesmin.
An efficient asymmetric synthesis of furofuran lignans: (+)-sesamin and (−)-sesamin
作者:Ju-Cheun Kim、Kwang-Hyun Kim、Jae-Chul Jung、Oee-Sook Park
DOI:10.1016/j.tetasy.2005.11.007
日期:2006.1
An efficient synthesis of (+)-sesamin 1a and (−)-sesamin 1b is described. The key reactions include highly stereoselective aldol condensation of piperonal 7 with the dianion of chiral oxazolidinone 8, followed by intramolecular ring cyclization of aldol product 11 in high yield.