Stereoselective Synthesis of Secondary and Tertiary Boronic Esters via Matteson Homologation
作者:Markus Tost、Uli Kazmaier
DOI:10.1021/acs.orglett.3c02360
日期:2023.9.22
esters with lithium dichlorocarbenoids and various nucleophiles proved to be a useful method for the synthesis of functionalized polyketides in a highly stereoselective fashion. Via repeated homologation steps, only 1,2-anti- and 1,3-syn-configured products were obtained. Homologation with substituted carbenoids followed by reaction with carbon nucleophiles resulted in configurationally inverted products
手性硼酸酯与二氯类碳烯锂和各种亲核试剂的 Matteson 同系化被证明是一种以高度立体选择性方式合成官能化聚酮化合物的有用方法。通过重复的同系化步骤,仅获得1,2-反-和1,3-顺-构型的产物。与取代的类胡萝卜素同系化,然后与碳亲核试剂反应,以高度立体选择性的方式产生构型反转的产物和叔硼酸酯。这种方法显着扩展了 Matteson 反应的潜力。