Process for the production of substituted benzoic acid esters

Details Process for the production of substituted benzoic acid esters Process for the production of substituted benzoic acid esters

Filed on

1987-08-03

Date issued

1989-04-18

Examiner

Killos, Paul J.

Patent Class

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

SubClass

Organic compounds

SubSubClass

Carboxylic acid esters

Other Related Categories

C07C 6974

Type

Patent

Status

active

Patent number

048229105

Description

ABSTRACT:
A process for the production of esters of the general formula ##STR1## in which R.sup.1 signifies methyl or ethyl and R.sup.2 and R.sup.3, independently from one another, signify C.sub.1-4 -alkyl, is described.
The process is characterized in subjecting a diketo ester of the formula ##STR2## in which R.sup.1 to R.sup.3 have the above significances; and X is chlorine or bromine, preferably chlorine, and to a dehydrohalogenation process.
The compounds I are known odorants.

REFERENCES:
Light, K. et al., CA84(7) 43551g, 1974.

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