METHOD FOR PREPARATION OF BIPHENYL-2,2'-DIOL

Title:

METHOD FOR PREPARATION OF BIPHENYL-2,2'-DIOL

Document Type and Number:

Japanese Patent JP2022164596

Kind Code:

A

Abstract:

To provide a method that can prepare a biphenyl-2,2'-diol with improved yield.SOLUTION: A method includes the steps of a) adding sodium n-dodecyl sulfate, b) adding a base, c) adding a specific phenol, d) heating the reaction mixture of a) to c), e) adding hydrogen peroxide to the reaction mixture, and f) cooling the reaction mixture for precipitation of a biphenyl-2,2'-diol.SELECTED DRAWING: None

Inventors:

DIRK FRIDAG
ANNA CHIARA SALE
ROBERT FRANKE
ALEXANDER BRAECHER
JOHANNES KNOSSALLA

Application Number:

JP2022063721A

Publication Date:

October 27, 2022

Filing Date:

April 07, 2022

Export Citation:

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Assignee:

EVONIK OPERATIONS GMBH

International Classes:

C07C37/16; C07C39/15

Attorney, Agent or Firm:

Patent Attorney Corporation Ashitaba International Patent Office

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