Patent number: 6344463
Abstract: Compounds of the formula
where R1 and R2, independently are alkyl groups having 2 to 8 carbons; R3 is hydrogen or lower alkyl; X is S, O or N—R4 where R4 is hydrogen or lower alkyl; Y is phenyl or pyridyl, thienyl, furyl, pyridazinyl, pyrimidinyl, and pyrazinyl; A is (CH2)n where n is 0-5, or lower branched chain alkyl, alkenyl having 2 to 6 carbons and 1 or 2 double bonds, alkynyl having 2 to 6 carbons and 1 or 2 triple bonds; B is hydrogen, COOH or a salt thereof, COOR5, CONR6R7, —CH2OH, CH2OR8, CH2OCOR8, CHO, CH(OR9)2, CHOR10O, —COR11, CR11(OR9)2, or CR11OR10O, where R5 is alkyl of 1 to 10 carbons, or cycloalkyl of 5 to 10 carbons, or R5 is phenyl or lower alkylphenyl, R6 and R7 independently are hydrogen, alkyl of 1 to 10 carbons, or cycloalkyl of 5 to 10 carbons, or phenyl or lower alkylphenyl, R8 is alkyl of 1 to 10 carbons, phenyl or lower alkylphenyl, R9 is lower alkyl, R10 is divalent alkyl radical of 2-5 carbons and R11 is alkyl, cycloalkyl or alkenyl containing 1
Type:
Grant
Filed:
July 7, 2000
Date of Patent:
February 5, 2002
Assignee:
Allergan Sales, Inc.
Inventor:
Roshantha A. S. Chandraratna
Patent number: 5516904
Abstract: Retinoid like activity is exhibited by compounds of the formula ##STR1## where R.sub.1 -R.sub.3 independently are hydrogen, lower alkyl, cycloalkyl or lower alkenyl, A and B independently are hydrogen, lower alkyl, cycloalkyl, lower alkenyl, SR.sub.4 or OR.sub.4 where R.sub.4 is lower alkyl, cycloalkyl or lower alkenyl; Y is selected from a group consisting of pyridazinyl, pyrimidinyl, pyrazinyl or oxazolyl; E is lower alkenyl, lower alkynyl, lower cycloalkyl, lower branched chain alkyl, or is characterized by the formula (CH.sub.2).sub.n where n is 0-5, and Z is H, OH, OR.sub.5, OCOR.sub.5, --COOH or a pharmaceutically acceptable salt, ester or amide thereof, --CH.sub.2 OH, CH.sub.2 OR.sub.6, CH.sub.2 OCOR.sub.6, or --CHO, CH(OR.sub.7).sub.2, CHOR.sub.8 O, or COR.sub.9, CR.sub.9 (OR.sub.7).sub.2, CR.sub.9 OR.sub.8 O where R.sub.5 is lower alkyl, phenyl or lower alkylphenyl, R.sub.6 is lower alkyl, phenyl or lower alkylphenyl, R.sub.7 is lower alkyl, R.sub.8 is a divalent alkyl radical of 2-5 carbons, and R.
Type:
Grant
Filed:
February 7, 1995
Date of Patent:
May 14, 1996
Assignee:
Allergan, Inc.
Inventor:
Roshantha A. S. Chandraratna
Patent number: 5414007
Abstract: Retinoid like activity is exhibited by compounds of the formula ##STR1## where R.sub.1 -R.sub.3 independently are hydrogen, lower alkyl, cycloalkyl or lower alkenyl, A and B independently are hydrogen, lower alkyl, cycloalkyl, lower alkenyl, SR.sub.4 or OR.sub.4 where R.sub.4 is lower alkyl, cycloalkyl or lower alkenyl; Y is selected from a group consisting of pyridazinyl, pyrimidinyl, pyrazinyl, thiazolyl or oxazolyl; E is lower alkenyl, lower alkynyl, lower cycloalkyl, lower branched chain alkyl, or is characterized by the formula (CH.sub.2).sub.n where n is 0-5, and Z is H, OH, OR.sub.5, OCOR.sub.5, --COOH or a pharmaceutically acceptable salt, ester or amide thereof, --CH.sub.2 OH, CH.sub.2 OR.sub.6, CH.sub.2 OCOR.sub.6, or --CHO, CH(OR.sub.7).sub.2, CHOR.sub.8 O, or COR.sub.9, CR.sub.9 (OR.sub.7).sub.2, CR.sub.9 OR.sub.8 O where R.sub.5 is lower alkyl, phenyl or lower alkylphenyl, R.sub.6 is lower alkyl, phenyl or lower alkylphenyl, R.sub.7 is lower alkyl, R.sub.
Type:
Grant
Filed:
September 24, 1993
Date of Patent:
May 9, 1995
Assignee:
Allergan, Inc.
Inventor:
Roshantha A. S. Chandraratna