Hybrid Metal/Organo Relay Catalysis Enables Enynes To Be Latent Dienes for Asymmetric Diels–Alder Reaction
作者:Zhi-Yong Han、Dian-Feng Chen、Ya-Yi Wang、Rui Guo、Pu-Sheng Wang、Chao Wang、Liu-Zhu Gong
DOI:10.1021/ja3007148
日期:2012.4.18
to serve as latent 1,3-silyloxydienes capable of participating in the first cascade hydrosiloxylation of an enynyl silanol/asymmetric Diels-Alder reaction. A variety of polycyclic compounds bearing multistereogenic centers were obtained in high yields and excellent enantioselectivities from the relay catalytic cascade reaction between (2-(but-3-en-1-ynyl)phenyl) silanols and quinones catalyzed by the
混合 Au(I)/Brønsted 酸二元催化剂体系使烯炔能够作为潜在的 1,3-甲硅烷氧基二烯,能够参与烯基硅烷醇/不对称 Diels-Alder 反应的第一级联氢化硅烷氧基化。由(2-(but-3-en-1-ynyl)苯基)硅烷醇和醌之间的接力催化级联反应以高产率和优异的对映选择性获得了多种带有多立体中心的多环化合物,该反应由组合的非手性金配合物和手性 N-三氟甲基磷酰胺。