A novel approach to the asymmetric synthesis of manzamine A. Construction of the tetracyclic ABCE ring system
作者:Stephen F. Martin、Yusheng Liao、Yueling Wong、Tobias Rein
DOI:10.1016/s0040-4039(00)75792-3
日期:1994.1
The enantiomerically pure tetracyclic ABCE subunit of manzamine A has been constructed by an intramolecular Diels-Alder reaction of the vinylogous imide 13 to give the ABC tricyclic core 14; elaboration of 14 into 16 followed by a novel olefin metathesis reaction to form the azocine ring then delivered the tetracycle 17.
甘露糖胺A的对映体纯的四环ABCE亚基是通过亚乙烯基酰亚胺13的分子内Diels-Alder反应构建得到ABC三环核14的。精制14到16然后进行新的烯烃复分解反应形成偶氮环,然后传递四环17。