JPS6475440A - Production of 4,4'-dihydroxybiphenyl - Google Patents

Production of 4,4'-dihydroxybiphenyl

Info

Publication number
JPS6475440A
JPS6475440A JP23149187A JP23149187A JPS6475440A JP S6475440 A JPS6475440 A JP S6475440A JP 23149187 A JP23149187 A JP 23149187A JP 23149187 A JP23149187 A JP 23149187A JP S6475440 A JPS6475440 A JP S6475440A
Authority
JP
Japan
Prior art keywords
acidolysis
dihydroxybiphenyl
dihydroperoxides
diisopropylbiphenyl
product
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP23149187A
Other languages
Japanese (ja)
Other versions
JPH07108871B2 (en
Inventor
Michio Tanaka
Yoshito Kurano
Katsuo Taniguchi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsui Petrochemical Industries Ltd
Original Assignee
Mitsui Petrochemical Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsui Petrochemical Industries Ltd filed Critical Mitsui Petrochemical Industries Ltd
Priority to JP23149187A priority Critical patent/JPH07108871B2/en
Publication of JPS6475440A publication Critical patent/JPS6475440A/en
Publication of JPH07108871B2 publication Critical patent/JPH07108871B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

PURPOSE:To obtain the title compound of high purity in high yield, which is used as a starting substance for heat-resistant synthetic resins and synthetic fibers, by oxidizing 4,4'-diisopropylbiphenyl with molecular oxygen and subjecting the product, 4,4'-diisopropylbiphenylhydroperoxide, to acidolysis. CONSTITUTION:4,4'-Diisopropylbiphenyl is oxidized with molecular oxygen, preferably in the presence of a base, to form 4, 4'-diisopropylbiphenyldihy droperoxide and the product is subjected acidolysis, preferably in the presence of an acidic catalyst to give 4,4'-dihydroxybiphenyl. On the acidolysis, hydrogen peroxide is allowed to coexist simultaneously to oxidize carbinols as by-products into dihydroperoxides, then these dihydroperoxides are acidolyzed simultaneously with the acidic catalyst to increase the yield of 4,4'-dihydroxybiphenyl.
JP23149187A 1987-09-16 1987-09-16 Method for producing 4,4'-dihydroxybiphenyl Expired - Fee Related JPH07108871B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23149187A JPH07108871B2 (en) 1987-09-16 1987-09-16 Method for producing 4,4'-dihydroxybiphenyl

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23149187A JPH07108871B2 (en) 1987-09-16 1987-09-16 Method for producing 4,4'-dihydroxybiphenyl

Publications (2)

Publication Number Publication Date
JPS6475440A true JPS6475440A (en) 1989-03-22
JPH07108871B2 JPH07108871B2 (en) 1995-11-22

Family

ID=16924322

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23149187A Expired - Fee Related JPH07108871B2 (en) 1987-09-16 1987-09-16 Method for producing 4,4'-dihydroxybiphenyl

Country Status (1)

Country Link
JP (1) JPH07108871B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0394813A2 (en) * 1989-04-26 1990-10-31 The Dow Chemical Company Melt processable thermotropic aromatic copolyesters and process for preparing same
JP2006076998A (en) * 2004-08-11 2006-03-23 Honshu Chem Ind Co Ltd Preparation method of 3,3'-dialkyl-4,4'-biphenol
US8287480B2 (en) 2007-06-29 2012-10-16 Jms Co., Ltd. Hemodialysis apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0394813A2 (en) * 1989-04-26 1990-10-31 The Dow Chemical Company Melt processable thermotropic aromatic copolyesters and process for preparing same
EP0394813A3 (en) * 1989-04-26 1992-04-08 The Dow Chemical Company Melt processable thermotropic aromatic copolyesters and process for preparing same
JP2006076998A (en) * 2004-08-11 2006-03-23 Honshu Chem Ind Co Ltd Preparation method of 3,3'-dialkyl-4,4'-biphenol
US8287480B2 (en) 2007-06-29 2012-10-16 Jms Co., Ltd. Hemodialysis apparatus

Also Published As

Publication number Publication date
JPH07108871B2 (en) 1995-11-22

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees