作者:Qing-An Chen、Faben A. Cruz、Vy M. Dong
DOI:10.1021/ja512015w
日期:2015.3.11
By using tandem Ru-catalysis, internal alkynes can be coupled with aldehydes for the synthesis of β,γ-unsaturated ketones. The catalyst promotes alkyne transformations with high regioselectivity, with examples that include the differentiation of a methyl vs ethyl substituent on the alkyne. Mechanistic studies suggest that the regioselectivity results from a selective allene formation that is governed
通过串联Ru催化,内部炔烃可以与醛偶联,合成β,γ-不饱和酮。该催化剂以高区域选择性促进炔烃转化,例如区分炔烃上的甲基和乙基取代基。机理研究表明,区域选择性是由烯丙基应变控制的选择性丙二烯形成引起的。