Process for the preparation of tert-alkyl esters

Details Process for the preparation of tert-alkyl esters Process for the preparation of tert-alkyl esters

1988-02-08

1990-02-27

Lone, Werren B.

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

Organic compounds

Carboxylic acid esters

544335, 546174, 546326, 548217, 548224, 548343, 549287, 549345, 558416, 560 20, 560 64, 560 65, 560 96, 560190, C07C 6703, C07C12000, C07D23902, C07D21514, C07D23366, C07D31102

Patent

active

049048147

ABSTRACT:
Process for the preparation of tert-alkyl esters of the formula I ##STR1## in which m is 1 or 2, R is C.sub.4 -C.sub.12 tert-alkyl and X, if m=1, is unsubstituted or halogen-substituted alkyl, cycloalkyl, unsubstituted or substituted aryl or aralkyl, or an aromatic heterocyclic radical and, if m=2, is a direct bond, --CH.sub.2).sub.n, in which n can be an integer from 1 to 8, or 1,2-, 1,3- or 1,4-phenylene, by reaction of an ester of the formula II ##STR2## in which R.sub.1 is methyl or ethyl, with an alcohol ROH in the presence of a catalyst customary for transesterifications.

REFERENCES:
patent: 4730080 (1988-03-01), Drent
D. S. Wulfman et al, Synthesis, 1972, pp. 49.

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