Process for the semi-continuous transvinylation of carboxylic acids with vinyl acetate

A semi-continuous process is provided for selective formation of a vinyl ester by reactive distillation from a corresponding carboxylic acid. Carboxylic acid, vinyl acetate, and a palladium acetate-bidentate ligand catalyst complex are provided and reacted in a typical embodiment. Acetic acid and vi...

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Main Authors BARVE PRASHANT P, SHINDE RAVINDRA W, MEILCHEN MELCHIOR A, WANG HANG, CHAPHEKAR GOPAL M, SHINTRE SATISH N, KOTSIANIS ILIAS S, KIMMICH BARBARA F.M, KULKARNI BHASKAR D, GUPTE MILIND Y, KAMBLE SANJAY P
Format Patent
LanguageEnglish
Published 10.11.2011
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:A semi-continuous process is provided for selective formation of a vinyl ester by reactive distillation from a corresponding carboxylic acid. Carboxylic acid, vinyl acetate, and a palladium acetate-bidentate ligand catalyst complex are provided and reacted in a typical embodiment. Acetic acid and vinyl acetate are continuously removed from the reaction mixture and vinyl acetate is recycled to the reaction mixture. The vinyl ester product is separated from the vinyl acetate, residual carboxylic acid, residual acetic acid, and catalyst.
Bibliography:Application Number: US201113068112