Transition-Metal-Free Reactions of Boronic Acids: 1,3-Stereochemical Induction in the Substrate-Controlled Conjugate Addition
作者:Silvia Roscales、Víctor Ortega、Aurelio G. Csákÿ
DOI:10.1021/jo402262m
日期:2013.12.20
substrate-controlled 1,3-stereoselective conjugate addition of boronic acids and potassium trifluoroborates under metal-free conditions has been developed. This reaction affords bicyclic acetals, which have been used as key intermediates in the stereodivergent synthesis of polysubstituted tetrahydropyrans.
已经开发了在无金属条件下硼酸和三氟硼酸钾的底物控制的1,3-立体选择性共轭加成反应。该反应提供了双环缩醛,其已被用作多取代的四氢吡喃的立体发散合成中的关键中间体。