Synthesis of<i>cis</i>-Fused Bicyclic Systems by Radical Cyclization Approach: Formal Synthesis of Ethisolide and<i>iso</i>-Avenaciolide
作者:Gangavaram V. M. Sharma、Devoju Harinada Chary
DOI:10.1080/00397911.2013.871562
日期:2014.6.18
iso-avenaciolide was achieved using furanoid glycal-vinyl radical intermediates. The vinyl radical cyclization by 5-exo-dig mode gave the cis-fused bicyclic systems with an efficient introduction of the exo-methylene group, besides helping in the inversion of the adjacent stereocentre. Further, the study describes the synthesis of cis-fused bicyclic systems from L-arabinose and D-xylose for the creation
摘要 使用呋喃类乙二醇-乙烯基自由基中间体实现了乙醚内酯和异燕麦烯内酯的正式合成。通过 5-exo-dig 模式的乙烯基自由基环化使顺式稠合双环系统有效引入了外亚甲基,此外还有助于相邻立体中心的反转。此外,该研究描述了从 L-阿拉伯糖和 D-木糖合成顺式稠合双环系统,以创造此类不同的天然和合成产品。图形概要