METHOD FOR PRODUCING DIHYDROXYBENZENES - BORESKOVA INST KATALIZA SIBIR

Title:

METHOD FOR PRODUCING DIHYDROXYBENZENES

Document Type and Number:

WIPO Patent Application WO/2003/099750

Kind Code:

A1

Abstract:

The invention relates to organic synthesis, more specifically to a method for producing dihydroxybenzenes by catalytic oxidation of phenol with the aid of nitrogen monoxide in the presence of benzene. The reaction is carried out in a flow reactor using zeolite catalysts at a temperature ranging from 250 to 600 °C for a contact time of 0.1-10 sec. Said method makes it possible to significantly increase the stability of the catalyst and improve the selectivity of conversion of the nitrogen monoxide into partial oxidation products.

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Inventors:

IVANOV DMITRY PETROVICH (RU)
SOBOLEV VLADIMIR IVANOVICH (RU)
PIRUTKO LARISA VLADIMIROVNA (RU)
PANOV GENNADY IVANOVICH (RU)
KHARITONOV ALEXANDR SERGEEVICH (RU)

Application Number:

PCT/RU2003/000064

Publication Date:

December 04, 2003

Filing Date:

February 26, 2003

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Assignee:

BORESKOVA INST KATALIZA SIBIR (RU)
IVANOV DMITRY PETROVICH (RU)
SOBOLEV VLADIMIR IVANOVICH (RU)
PIRUTKO LARISA VLADIMIROVNA (RU)
PANOV GENNADY IVANOVICH (RU)
KHARITONOV ALEXANDR SERGEEVICH (RU)

International Classes:

C07C37/60; C07C39/08; (IPC1-7): C07C37/60; C07C39/08

Foreign References:

US5756861A	1998-05-26
RU2028287C1	1995-02-09
DE3203286A1	1982-12-09

Attorney, Agent or Firm:

Institut, Kataliza Imeni Boreskova Sibirskogo Otdeleniya Rossiiskoi Akademii Nauk G. K. (5 Novosibirsk, RU)

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