Title:
PARTIAL ALKYLATION OF POLYHYDROXYBENZOPHENONE
Document Type and Number:
Japanese Patent JPS5444641
Kind Code:
A
Abstract:
1322265 Alkylation of polyhydroxybenzophenones AMERICAN CYANAMID CO 20 July 1971 [25 Aug 1970] 34052/71 Addition to 1194320 Heading C2C Polyhydroxybenzophenones having the general formula where R is hydrogen, alkyl, alkoxy, halogen, carboxy, carbalkoxy or hydroxy and R 1 and R 2 are hydrogen, alkyl, alkoxy, halogen, carboxy, carbalkoxy or hydroxy, provided that both R 1 and R 2 are simultaneously a hydroxy group, is alkylated to form a product of the formula where R 3 is alkyl, by forming a reaction mixture of the starting material (I), an alkyl halide of from 1 to 20 carbon atoms, and acid acceptor and as solvent a (C 1 -C 6 ) alkyl ether of ethylene glycol or diethylene glycol and refluxing this mixture to effect alkylation.
Inventors:
DEIRU EDOWAADO BATSUCHIN
HARARUDO GOTSUDOFURETSUDO TONP
HARARUDO GOTSUDOFURETSUDO TONP
Application Number:
JP6447578A
Publication Date:
April 09, 1979
Filing Date:
May 31, 1978
Export Citation:
Assignee:
AMERICAN CYANAMID CO
International Classes:
C07C69/94; C07C45/00; C07C45/71; C07C49/84; C07C51/00; C07C65/40; C07C67/00; (IPC1-7): C07C45/00; C07C49/84; C07C51/00; C07C65/22; C07C67/00; C07C69/95