Title:
PRODUCTION OF 2,7-DIHYDROXY-9,10-DIHYDROPHENANTHRENE
Document Type and Number:
Japanese Patent JPH0665131
Kind Code:
A
Abstract:
PURPOSE: To provide a process for high-efficiency production of 2,7 dihydroxy-9,10-dihydrophenanthrene which is important as a constituent element for liquid crystals from 2,7-dibromo-9,10-dihydrophenanthrene.
CONSTITUTION: A production process for 2,7-dihydroxy-9,10-dihydro-phenanthrene which is characterized by reaction of 2,7-dibromo-9,10-dihydrophenanthrene with an alkali metal hydroxide in the presence of a copper catalyst in an aqueous solution containing an alcohol of 1 to 3 carbon atoms.
Inventors:
HANAOKA TAKAMASA
SUGI YOSHIHIRO
MATSUZAKI TAKEHIKO
TAKEUCHI KAZUHIKO
UCHI MASATAKA
ABE YOSHISAKI
MISONOO TAKAHISA
SUGI YOSHIHIRO
MATSUZAKI TAKEHIKO
TAKEUCHI KAZUHIKO
UCHI MASATAKA
ABE YOSHISAKI
MISONOO TAKAHISA
Application Number:
JP18174891A
Publication Date:
March 08, 1994
Filing Date:
June 26, 1991
Export Citation:
Assignee:
AGENCY IND SCIENCE TECHN
International Classes:
B01J23/72; B01J31/12; C07B61/00; C07C37/02; C07C39/17; C09K15/06; (IPC1-7): C07C39/17; B01J23/72; B01J31/12; C07C37/02; C09K15/06
Domestic Patent References:
| JPS625931A | 1987-01-12 | |||
| JPS6399029A | 1988-04-30 | |||
| JPH02240036A | 1990-09-25 | |||
| JPH0338538A | 1991-02-19 |
Attorney, Agent or Firm:
Director, Institute of Materials Technology, Institute of Industrial Technology
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