Publication number: 20020028821
Abstract: A compound of formula (I) wherein R1 is a group of formula G1, G2, G3, G4 or G5; R2 is hydrogen, (C1 C4 )alkyl, phenyl or naphthyl, wherein said phenyl or naphthyl may optionally be substituted with one or more substituents, preferably from zero to three substituents, independently selected from chloro, fluoro, bromo, iodo, (C1 C6 )alkyl, (C1 C6 )alkoxy, trifluoromethyl, cyano and SO g (C1 C6 )alkyl wherein g is zero, one or two; R3 is (CH2)m B, wherein m is zero, one, two or three and B is hydrogen, phenyl, naphthyl or a 5 or 6membered heteroaryl group containing from one to four hetero atoms in the ring (e.g., furyl, thienyl, pyridyl, pyrimidyl, thiazolyl, pyrazolyl, isothiazolyl, oxazolyl, isoxazolyl, pyrrolyl, triazolyl, tetrazolyl, imidazolyl, etc.), and wherein each of the foregoing aryl and heteroaryl groups may optionally be substituted with one or more substituents, preferably from zero to three substituents, independently selected from chloro.
Type:
Application
Filed:
September 24, 1998
Publication date:
March 7, 2002
Inventor:
HARRY R. HOWARD