[EN] SYNTHESIS OF PELORUSIDE A AND ANALOGS THEREOF FOR USE AS ANTITUMOR AGENTS [FR] SYNTHESE DU PELORUSIDE A ET ANALOGUES DE CELUI-CI POUVANT ETRE UTILISES EN TANT QU'AGENTS ANTITUMORAUX
[EN] SYNTHESIS OF PELORUSIDE A AND ANALOGS THEREOF FOR USE AS ANTITUMOR AGENTS [FR] SYNTHESE DU PELORUSIDE A ET ANALOGUES DE CELUI-CI POUVANT ETRE UTILISES EN TANT QU'AGENTS ANTITUMORAUX
Total Synthesis of (−)-18-<i>epi</i>-Peloruside A: An Alkyne Linchpin Strategy
作者:Barry M. Trost、David J. Michaelis、Sushant Malhotra
DOI:10.1021/ol4024997
日期:2013.10.18
hinges on the use of an alkyne linchpin to assemble the natural product is described. Other highlights of this synthesis include an asymmetric desymmetrization reaction of a 1,3-diol, a one-pot conversion of a dibromoolefin to a stereodefined enone, and a diastereoselective aldol condensation. Misassignment of the absolute stereochemistry of the C18 stereocenter in our synthesis provided the natural product
描述了细胞毒性剂 peloruside A 的聚合合成路线,该路线取决于使用炔烃关键来组装天然产物。该合成的其他亮点包括 1,3-二醇的不对称去对称反应、二溴烯烃一锅法转化为立体定义的烯酮以及非对映选择性羟醛缩合。我们的合成中 C18 立体中心的绝对立体化学的错误分配提供了 C18 乙基立体中心处的天然产物差向异构体。