METHOD OF PRODUCING ALPHA,BETA-UNSATURATED DICARBOXYLIC ACID ESTER
申请人:Toray Industries, Inc.
公开号:US20220162148A1
公开(公告)日:2022-05-26
A method of producing an α,β-unsaturated dicarboxylic acid ester exemplified by an α-hydromuconic acid ester from a carboxylic acid ester exemplified by a 3-hydroxyadipic acid ester or a 3-hydroxyadipic acid-3,6-lactone ester, in which the selectivity for the α,β-unsaturated dicarboxylic acid ester can be increased by subjecting the carboxylic acid ester to a basic condition of pH 8.5 to less than 13 in an organic solvent or a mixed solvent of an organic solvent and water.
Electrochemical Decarboxylative Alkoxy-alkoxycarbonylation of Alkenes
作者:Meiqun Lu、Kailun Chen、Tao Wu、Hu Cai
DOI:10.1021/acs.orglett.3c03816
日期:2024.1.12
A method is presented for decarboxylative alkoxy–alkoxycarbonylation of various alkenes with alcohols by electrochemical anodic oxidation of monopotassium ethyloxalate salts with good functional group compatibility. The reaction involves anodic oxidation to form an acyl radical, followed by addition to an olefin to yield a new alkyl radical, which is anodically oxidized to a carbon cation and captured
METHOD FOR PRODUCING ?,?-UNSATURATED DICARBOXYLIC ACID ESTER
申请人:Toray Industries, Inc.
公开号:EP3932900A1
公开(公告)日:2022-01-05
In a method for producing an α,β-unsaturated dicarboxylic acid ester exemplified by an α-hydromuconic acid ester from a carboxylic acid ester exemplified by a 3-hydroxyadipic acid ester or a 3-hydroxyadipic acid-3,6-lactone ester, the selectivity for the α,β-unsaturated dicarboxylic acid ester can be raised by subjecting the carboxylic acid ester to a basic condition of pH 8.5 to less than 13 in an organic solvent or a mixed solvent of an organic solvent and water.