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Title:
PRODUCTION OF ALKYLCATECHOL
Document Type and Number:
Japanese Patent JPH11310543
Kind Code:
A
Abstract:

To obtain an alkylcatechol with an excellent hydrogen peroxide selectivity and alkylphenol selectivity, and remarkably improved in productivity by reacting an alkylphenol with hydrogen peroxide under specific conditions.

This method for producing an alkylcatechol comprises reacting (A) an alkylphenol with (B) hydrogen peroxide in the presence of (C) perchloric acid, (D) a phosphorus atom-containing oxygen acid and its metal salt, and (E) a ketonic organic solvent. The components A, C and D are used in amounts of 3-30, 0.05-10 and 0.05-10 mol.%, respectively, on the basis of the component B. The method, in detail, preferably comprises introducing and mixing the component A, the component E, the acid metal salt and the component D, or the component C and the component D, and subsequently introducing and reacting the component B in the reaction system in a temperature condition of 80-150°C under stirring.


Inventors:
YAMAMOTO MINORU
AKIYAMA ATSUYUKI
Application Number:
JP1998000120979
Publication Date:
November 09, 1999
Filing Date:
April 30, 1998
Export Citation:
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Assignee:
DAINIPPON INK & CHEMICALS
International Classes:
C07C37/60; C07B61/00; C07C39/08; (IPC1-7): C07C39/08; C07C37/60
Attorney, Agent or Firm:
高橋 勝利