Influence of the trimethylsilyl group on the diastereoselectivity of an adjacent Claisen amide-acetal rearrangement
作者:Eward H. Smith、Nicholas D. Tyrrell
DOI:10.1039/c39830000285
日期:——
In contrast to their reactions with other (E)-allylic alcohols, the amide-acetals (1a, b) react with (E)-1-trimethylsilylpent-3-en-2-ol to give mixtures of product amides in which the threo-diasteroisomers marginally predominate.
COPOLYMER OF OLEFIN AND UNSATURATED CARBOXYLIC ACID OR UNSATURATED CARBOXYLIC ACID DERIVATIVE
申请人:China Petroleum & Chemical Corporation
公开号:EP3702381A1
公开(公告)日:2020-09-02
The present invention provides a copolymer of an olefin and an unsaturated carboxylic acid or an unsaturated carboxylic acid derivative, said copolymer being a spherical and/or spherical-like polymer. The copolymer provided by the invention exhibits a good morphology and has good prospects in industrial use.
[EN] METHOD FOR PREPARING OLEFIN-POLAR MONOMER COPOLYMER<br/>[FR] PROCÉDÉ DE PRÉPARATION D'UN COPOLYMÈRE DE MONOMÈRE POLAIRE D'OLÉFINE<br/>[ZH] 用于制备烯烃-极性单体共聚物的方法
申请人:[en]CHINA PETROLEUM & CHEMICAL CORPORATION;[zh]中国石油化工股份有限公司