作者:Nicolas Rival、Damien Hazelard、Gilles Hanquet、Thomas Kreuzer、Charlelie Bensoussan、Sébastien Reymond、Janine Cossy、Françoise Colobert
DOI:10.1039/c2ob26641e
日期:——
The diastereoselective synthesis of the C17–C30 fragment of amphidinol 3 (AM3) 1 was achieved from the enantio-enriched aldehyde 20, Weinreb amide 14 and 2-bromo-3-(trimethylsilyl)propene, which was used as a bifunctional conjunctive reagent. The absolute configuration of the stereogenic centers, in both aldehyde 20 and Weinreb amide 14, were efficiently controlled by using (+)-(R)-methyl-p-tolylsulfoxide
从对映体富集的醛20,Weinreb酰胺14和对映体上完成了对苯二酚3(AM3)1的C17–C30片段的非对映选择性合成。2-溴-3-(三甲基甲硅烷基)丙烯,用作双功能结合剂。醛20和Weinreb酰胺14中的立体构型中心的绝对构型通过使用高效地控制。(+)-(R)-甲基-对甲苯基亚砜 作为手性的独特来源。