[EN] SYNTHESIS OF SEVERELY STERICALLY HINDERED SECONDARY AMINOETHER ALCOHOLS FROM A KETENE AND/OR CARBOXYLIC ACID HALIDE AND/OR CARBOXYLIC ACID ANHYDRIDE<br/>[FR] SYNTHESE D'ALCOOLS D'AMINOETHER SECONDAIRE A ENCOMBREMENT STERIQUE SEVERE A PARTIR DE CETENES ET/OU D'HALOGENURES ACIDES CARBOXYLIQUES ET/OU D'ANHYDRIDES ACIDES CARBOXYLIQUES
申请人:EXXONMOBIL RES & ENG CO
公开号:WO2005082836A1
公开(公告)日:2005-09-09
Severely sterically hindered secondary aminoether alcohols are prepared by a process comprising reacting a ketene with sulfuric acid to produce an anhydride which is then reacted with, to cleave the ring of, a dioxane to yield a cleavage product which is then aminated using an amine, followed by hydrolysis with a base to yield the desired severely sterically hindered secondary aminoether alcohol.