Asymmetric synthesis of a lignan lactone from a meso anhydride
作者:Robert S. Ward、Andrew Pelter、Mark I. Edwards、Jeremy Gilmore
DOI:10.1016/0040-4020(96)00761-2
日期:1996.9
The synthesis of a meso-2,3-dibenzylbutanedioic acid anhydride is given. Reaction of this with (+)-α-methylbenzylamine proceeds diastereoselectively to give a butanedioic acid monoamide which is converted into an enantiomerically enriched cis-2,3-dibenzylbutyrolactone lignan.