The reaction of N-heterocyclic carbene (NHC) with dimeric dialkylgallium alkoxides, acting as nonselective or heteroselective catalysts in the polymerization of rac-LA, leads to highly active and isoselective monomeric Me2Ga(NHC)OR catalysts, resulting for the first time in the facile switch of stereoselectivity.
N-杂环卡宾(NHC)与二聚二烷基
镓醇盐反应,在 rac-
LA 聚合中作为非选择性或杂选择性催化剂,产生高活性和等选择性单体 Me2Ga(NHC)OR 催化剂,这是首次在轻松切换立体选择性。