Title:
【発明の名称】UV―吸収化合物及び組成物
Document Type and Number:
Japanese Patent JP2975106
Kind Code:
B2
Abstract:
The invention provides UV-absorbing compounds of formula (I), processes for preparing compounds of formula (I) and compositions, including sunscreens, containing compounds of formula (I), wherein A and B are alkyl, haloalkyl or together form a carbocyclic ring; R<1> is alkyl, haloalkyl, substituted alkyl where the substituent is selected from hydroxy, amino, alkoxy, alkanoyl, alkoxycarbonyl, phenyl and the radical of formula (I(a)), wherein A, B, R<2> and R<3> are as herein defined; alkenyl, cycloalkyl; phenyl; the groups phenyl and benzyl; said groups being substituted in the benzene ring by alkyl, alkenyl and alkoxy; and wherein R<1> and R<2> may form a carbocyclic ring; R<2> is hydrogen or alkyl; R<3> is alkyl, substituted alkyl, alkenyl, cycloalkyl and substituted benzyl; and the invention also provides for compounds of formula (VII); wherein A and B are methyl; R<2> is hydrogen; and R<3> is alkyl.
Inventors:
Chalmers, Peter James
Neil Fitzmorris
Rig, david john
Sang, San Hoa
Bird, graham
Neil Fitzmorris
Rig, david john
Sang, San Hoa
Bird, graham
Application Number:
JP50384790A
Publication Date:
November 10, 1999
Filing Date:
February 23, 1990
Export Citation:
Assignee:
Australian Institute of Marine Science
International Classes:
A61K8/49; A61Q17/04; C07D211/68; C07D211/70; A61K8/00; C07D221/20; C08K5/00; C08K5/3432; C08L23/12; C09D5/32; C09D7/12; (IPC1-7): C07D211/70; A61K7/42; C08K5/3432; C09D7/12
Other References:
TETRAHEDRON LETTERS=1971
Attorney, Agent or Firm:
Aoki Akira (3 outside)