Viridiofungin A, a member of amino alkyl citrate antibiotics from Trichoderma viride, was enantioselectively synthesized in naturally occurring form for the first time, employing regio- and stereoselective opening of the chiral glycidate with vinylmagnesium bromide and alkene cross metathesis of the citric acid core and hexadec-15-en-8-one as key steps.
Viridiofungin A,来自绿霉 Trichoderma viride 的一种
氨基烷基
柠檬酸抗生素,首次以天然存在的形式进行对映体选择性合成,关键步骤是采用手性
环氧化物与
溴化
乙烯镁的区域和立体选择性开环,以及
柠檬酸核心与
十六烯-15-烯-8-酮的烯烃交叉复分解反应。