[EN] METHOD FOR PREPARING DELTA-LACTONES<br/>[FR] PROCÉDÉ DE PRÉPARATION DE DELTA-LACTONES
申请人:QATAR FOUND EDUCATION SCIENCE & COMMUNITY DEV
公开号:WO2017202644A1
公开(公告)日:2017-11-30
The present invention relates to methods of forming delta-lactone compounds by reaction of a diene with carbon dioxide in the presence of Pd and a phosphine ligand.
Palladium- and rhodium-catalyzed synthesis of esters by reaction of butadiene, carbon dioxide, and oxiranes
作者:Arno Behr、Ulrich Kanne
DOI:10.1016/s0022-328x(00)99587-1
日期:1986.1
carbon dioxide and ethylene oxide interact in the presence of palladium or rhodium catalysts to give (2′-hydroxyethyl)2-ethylidene-4,6-heptadienoate in a “one pot” reaction. When propylene oxide was used, two related isomeric esters with an additional methyl group in the alcohol part of the ester were obtained, in yields of up to 24%. Kinetic investigations suggest that the reaction occurs via the lactone
A process for the manufacture of 2-ethylidenehept-6-en-5-olide which comprises reacting in a liquid medium 1,3-butadiene with carbon dioxide in the presence of a palladium complex catalyst and a tertiary amine.
申请人:Qatar Foundation For Education, Science and Community Development
公开号:US10844033B2
公开(公告)日:2020-11-24
The present invention relates to methods of forming delta-lactone compounds by reaction of a diene with carbon dioxide in the presence of Pd and a phosphine ligand.