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Title:
METHOD OF PRODUCING TETRAKISPHENOL COMPOUND HAVING BIPHENYL SKELETON
Document Type and Number:
WIPO Patent Application WO/2022/075120
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a novel production method that has a high reaction selectivity for a tetrakisphenol compound in a reaction between a phenol and a 4,4'-diacylbiphenyl. As a means for solving this problem, the present invention provides a method of producing a tetrakisphenol compound represented by formula (3), said method being characterized by comprising reacting a phenol represented by formula (1) with a 4,4'-diacylbiphenyl represented by formula (2) in the presence of a specific alkanesulfonic acid.

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Inventors:
KIMURA RYO (JP)
YAMANE KENTARO (JP)
Application Number:
PCT/JP2021/035560
Publication Date:
April 14, 2022
Filing Date:
September 28, 2021
Export Citation:
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Assignee:
HONSHU CHEMICAL IND (JP)
International Classes:
C07C39/15; C07B61/00; C07C37/20
Foreign References:
JPH0827052A1996-01-30
JPS63150236A1988-06-22
JP2018203654A2018-12-27
JPH1149714A1999-02-23
JPH06135875A1994-05-17
Attorney, Agent or Firm:
YAMADA, Yasuyuki et al. (JP)
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