Highly regio- and stereoselective palladium-catalyzed allene bifunctionalization cascade via π-allyl intermediate
作者:Tao Bai、Yanhui Yang、Trevor Janes、Datong Song、Zhiqiang Guo
DOI:10.1016/j.tet.2017.08.021
日期:2017.9
CO or CN bonds in one pot with excellent regio- and stereoselectivity. Carboxylic acids, amides, and hydroxide are all suitable nucleophiles. Organoboronic acid acts as hydroxide transfer reagent. An intermediate π-allyl palladium complex was isolated, which yields improved catalytic performance as well as evidence of the origin of stereoselectivity. A derivatization study emphasizes the utility of the
我们报道了钯催化的异戊二烯双官能化反应,该反应在一个罐中形成C C以及C O或C N键,具有出色的区域选择性和立体选择性。羧酸,酰胺和氢氧化物都是合适的亲核试剂。有机硼酸充当氢氧化物转移试剂。分离了中间的π-烯丙基钯配合物,其产生了改进的催化性能以及立体选择性的起源的证据。衍生化研究强调功能化烯丙基产品的实用性。