Process for the preparation of acetals and hemiacetal esters

Details Process for the preparation of acetals and hemiacetal esters Process for the preparation of acetals and hemiacetal esters

1992-11-12

1993-08-24

Prescott, Arthur C.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

C07C 6729, C07C 6700

Patent

active

052391124

ABSTRACT:
The present invention relates to a process for preparing acetals and hemiacetal esters which comprises reacting a vinyl ester and an alcohol in the presence of a solvent having a dielectric constant of between about 15 and about 50 and an effective amount of palladium- or platinum-containing catalyst, in the absence of an active support, under reaction conditions sufficient to form the acetal or hemiacetal ester and recovering the acetal or hemiacetal ester.

REFERENCES:
patent: 3804886 (1974-04-01), Hoffman et al.
patent: 4032550 (1977-06-01), White et al.
patent: 4153786 (1979-05-01), Pruckmayr
patent: 4374263 (1983-02-01), Hancock et al.
patent: 4377708 (1983-03-01), Morris
patent: 4665223 (1987-05-01), Green

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