unambiguously establishing its relative and absolute stereochemistry. Highlights of the synthesis include the stereoselective formation of an all-carbon quaternary stereocenter by a zinc-mediated Barbier-type allylation in an aqueous medium, and the efficient construction of an 11-membered ring skeleton by a combination of an intramolecular Nozaki–Hiyama–Kishi (NHK) reaction and a Mitsunobu reaction
实现了第一个全合成的(+)-vibsanin A(一种11元的visane二
萜类化合物),明确地建立了其相对和绝对立体
化学。合成的亮点包括在
水介质中通过
锌介导的Barbier型烯丙基化立体选择性地形成全碳四级立体中心,以及结合分子内的Nozaki–Hiyama–高效构建11元环骨架Kishi(NHK)反应和Mitsunobu反应。