Synthesis of (+)-Aptosimon, a 4-Oxofurofuran Lignan, by<i>erythro</i>Selective Aldol Condensation and Stereoconvergent Cyclization as the Key Reactions
作者:Satoshi YAMAUCHI、Munetoshi YAMAGUCHI
DOI:10.1271/bbb.67.838
日期:2003.1
The 4-oxofurofuran lignan, (+)-aptosimon (1), was synthesized from γ-butyrolactone (9). To construct the two benzylic chiral center of (+)-aptosimon (1), highly erythro selective aldol condensation and stereoconvergent SN1 intramolecular cyclization were used as the key reactions.