Process for preparation of an ester

Details Process for preparation of an ester Process for preparation of an ester

1997-10-07

1999-04-27

Barts, Samuel

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

Organic compounds

Fatty compounds having an acid moiety which contains the...

C07C 5100

Patent

active

058980776

ABSTRACT:
The present invention provides a process for preparing an ester comprising the step of reacting a carboxylic acid and an alcohol in the presence of an esterifying catalyst comprising at least one compound having the formula:
O.dbd.M(RCOO).sub.2 wherein M represents Sn or Zn and R represents a saturated or unsaturated hydrocarbon group having 1-21 carbon atoms with or without side chains. According to the present process, substantially equal equivalents of the alcohol and the acid can be reacted completely. In addition, the present invention further provides a purification process to eliminate the catalyst from a homogeneous reaction system completely.

REFERENCES:
patent: 4526725 (1985-07-01), Deardorff
patent: 5324853 (1994-06-01), Jones et al.

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