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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0232262
Kind Code:
B2
Abstract:
Selective chlorination, using gaseous chlorine, of phenolic compounds, in an ortho position relative to the hydroxyl functional group. More precisely, a process for the selective chlorination in an ortho position relative to the hydroxyl functional group of phenolic compounds, using gaseous chlorine in a molten medium and in the presence of an organic cation. The process is applicable especially to the chlorination of 2,4- dichlorophenol as a mixture with 2,6-dichlorophenol.

Inventors:
JANNROJE DEMYUURU
BERUNAARU BETSUSON
IZABERU JUUBU
Application Number:
JP17617888A
Publication Date:
July 19, 1990
Filing Date:
July 14, 1988
Export Citation:
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Assignee:
RHONE POULENC CHIMIE
International Classes:
C07C41/22; B01J31/02; C07B39/00; C07B61/00; C07C37/62; C07C39/27; C07C43/23; C07C51/363; C07C65/03; C07C67/307; C07C69/63; C07C69/88; C07C205/59; C07C231/00; C07C233/25; C07C233/33; C07C233/43; C07C233/54; C07C255/53