Substrate-controlled switchable asymmetric annulations to access polyheterocyclic skeletons
作者:Kai-Kai Wang、Pan Wang、Qin Ouyang、Wei Du、Ying-Chun Chen
DOI:10.1039/c6cc06148f
日期:——
domino process from Morita-Baylis-Hillman carbonates of isatins and acrylate and [small alpha]-cyano-[small alpha],[small beta]-unsaturated ketones to deliver highly enantioenriched tetrahydrofuro[2',3':4,5]pyrano[2,3-b]indoles was disclosed catalysed by cinchona-derived tertiary amines, involving [small alpha]-regioselective cyclopropanation, ring-opening,...
靛红和丙烯酸的Morita-Baylis-Hillman碳酸盐和[小α]-氰基-[小α],[小β]-不饱和酮的出乎意料的多米诺法,可以提供高度对映体富集的四氢呋喃[2',3':4,5公开了由金鸡纳衍生的叔胺催化的]吡喃并[2,3-b]吲哚,涉及[小α]-区域选择性环丙烷化,开环,...。