An asymmetric synthesis of C2-symmetric dimethyl 3,7-dioxo-cis-bicyclo[3.3.0]octane-2,6-dicarboxylate by lipase-catalyzed demethoxycarbonylation
作者:Manabu Node、Takehisa Inoue、Mamoru Araki、Daisaku Nakamura、Kiyoharu Nishide
DOI:10.1016/0040-4039(95)00264-d
日期:1995.3
Both enantiomers of C2-symmetric dimethyl 3,7-dioxo-cis-bicyclo[3.3.0]-octane-2,6-dicarboxylate (3) were prepared in enantiomerically pure form by the lipase-catalyzed demethoxycarbonylation, respectively. An expeditious formal total synthesis of (+)-carbacyclin using this hybrid process was done.
的两种对映体c ^ 2 -对称二甲基-3,7-二氧代-顺-二环[3.3.0] -辛烷-2,6-二羧酸二(3)在对映体纯形式制备分别由脂酶催化demethoxycarbonylation。使用此混合过程可快速完成(+)-碳环素的正式全合成。