An Approach to β-Substituted γ-Butyrolactones and its Application to the Synthesis of Lignans
作者:Yuichi Kobayashi、Yuichi Isemori
DOI:10.1055/s-2004-830890
日期:——
4-arylmethyl-2-cyclopenten-1-ols regioselectively. Subsequent cleavage of the cyclopentene ring followed by functional group manipulation provided the key β-arylmethyl-γ-butyrolactones for the synthesis of lignans. In addition, synthesis of the rolipram lactone intermediate was accomplished.