Document Type and Number:
Japanese Patent JPH0114896
Kind Code:
B2
Abstract:
The present invention discloses a process for preparing high purity 2- methoxy-3,6-dichlorobenzoic acid from a mixture of said acid with its 3,5-dichloro isomer which comprises re-acting said mixture with an alkanol in a liquid inert organic reaction medium in the presence of an acid catalyst at a temperature sufficiently elevated to remove the water of esterification as it is formed and thereafter recovering the 2-methoxy- 3,6-dichlorobenzoic acid.
Inventors:
SHIDONII BAANAADO RITSUCHITAA
Application Number:
JP8066581A
Publication Date:
March 14, 1989
Filing Date:
May 27, 1981
Export Citation:
Assignee:
VELSICOL CHEMICAL CORP
International Classes:
C07C65/21; B01J27/00; B01J27/10; B01J27/16; B01J31/00; B01J31/02; C07B61/00; C07C51/493; C07C62/04; C07C63/10
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