Title:
PREPARATION OF BENZOPHENONE DERIVATIVES
Document Type and Number:
Japanese Patent JPS5231058
Kind Code:
A
Abstract:
PURPOSE: Benzopheone derivatives are prepared by the reaction of 1,3-dienes with 2,4-dihydroxybenzophenones, in which the overall yields are increased by the special treatment of the spent reaction medium.
Inventors:
MUNAKATA HIROAKI
TATEOKA KENGO
SATOU KEIICHI
MURAKAMI HIROYASU
TATEOKA KENGO
SATOU KEIICHI
MURAKAMI HIROYASU
Application Number:
JP10574475A
Publication Date:
March 09, 1977
Filing Date:
September 01, 1975
Export Citation:
Assignee:
MITSUBISHI CHEM IND
International Classes:
C07C49/84; C07C45/00; C07C67/00; (IPC1-7): C07C49/84