Patent number: 6262068
Abstract: Lactam derivatives of the formula
where
X is —C(═O)NR3′—, —NR3′C(═O)—, —C(═NCN)NR3′—, —NR3′C(═NCN)—, —CH2NR3′—, —CH(alkyl)NR3′—, —CH(COOalkyl)NR3′—, —CH(CH2OH)NR3′—, —C(CH2Oalkyl)—;
R1 is halo, alkyl, cycloalkyl, alkyl(cycloalkyl), aryl, (aryl)alkyl, (aryl)alkenyl, (aryl)alkynyl, O-alkyl, O-alkenyl, O-aryl, O-alky(aryl), O-alkyl(heterocyclo), COO-alkyl, C)-alkyl, CO-amino, CO-substituted amino, alkyl-CO-amino, alkyl-CO-substituted amino, NHCO-alkyl, NHCO-aryl, NHCO-alkyl(aryl), NHCO-alkyl(heterocyclo), N(alkyl)CO-alkyl, N(alkyl)CO-aryl, N(alkyl)CO-heterocyclo, N(alkyl)CO-alkyl(aryl), N(alkyl)CO-alkyl(heterocyclo);
R2 is hydrogen, alkyl, halo, aryl, (aryl)alkyl, O-alkyl, amino, substituted amino;
R3 and R3′ are the same or different and are independently selected from hydrogen, alkyl or alkyl(aryl);
R4 which
Type:
Grant
Filed:
January 14, 1999
Date of Patent:
July 17, 2001
Assignee:
Bristol-Myers Squibb Company
Inventors:
Karnail S. Atwal, Saleem Ahmad, Francis N. Ferrara