Patent ID: 6376673
Filing Date: 2002-04-23
Classification: A61P,C07D

Abstract:
A compound having the formula, or a pharmaceutically acceptable salt thereof; whereinR is hydrogen, alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkylalkyl or 2-hydroxyethyl; R3 is â€”CRâ€²&boxH;NORâ€³ wherein Râ€² and Râ€³ each independently are hydrogen, alkyl, cycloalkyl, cycloalkylalkyl, alkenyl, cycloalkylalkenyl, alkynyl, cycloalkylalkylnyl, aryl or benzyl; R4 is phenyl which may be substituted one or more times with substituents selected from the group consisting of halogen, CF3, CN, amino, nitro, alkoxy, cycloalkoxy, alkyl, cycloalkyl, alkenyl, alkynyl, aryl and heteroaryl; 3,4-methylenedioxyphenyl; benzyl which may be substituted one or more times with substituents selected from the group consisting of halogen, CF3, CN, amino, nitro, alkoxy, cycloalkoxy, alkyl, cycloalkyl, alkenyl, alkynyl, aryl and heteroaryl; heteroaryl selected from the group consisting of oxazol-2-yl, oxazol-4-yl, oxazol-5-yl, isoxazol-3-yl, isoxazol-4-yl, isoxazol-5-yl, thiazol-2-yl, thiazol-4-yl, thiazol-5-yl, isothiazol-3-yl, isothiazol-4-yl, isothiazol-5-yl, 1,2,4-oxadiazol-3-yl, 1,2,4-oxadiazol-5-yl, 1,2,4-thiadiazol-3-yl, 1,2,4-thiadiazol-5-yl, 1,2,5-oxadiazol-3-yl, 1,2,5-oxadiazol-4-yl, 1,2,5-thiadiazol-3-yl, 1,2,5-thiadiazol-4-yl, 1-imidazolyl, 2-imidazolyl, 4-imidazolyl, 1-pyrrolyl, 2-pyrrolyl, 3-pyrrolyl, 2-furanyl, 3-furanyl, 2-thienyl, 3-thienyl, 2-pyridyl, 3-pyridyl, 4-pyridyl, 2-pyrimidinyl, 4-pyrimidinyl, 5-pyrimidinyl, 3-pyridazinyl, 4-pyridazinyl, 2-pyrazinyl, 3-pyrazinyl, 1-pyrazolyl, 3-pyrazolyl, and 4-pyrazolyl, which heteroaryl may be substituted one or more times with substituents selected from the group consisting of halogen, CF3, CN, amino, nitro, alkoxy, cycloalkoxy, alkyl, cycloalkyl, alkenyl, alkynyl, aryl and heteroaryl; or naphthyl which may be substituted one or more times with substituents selected from the group consisting of halogen, CF3, CN, amino, nitro, alkoxy, cycloalkoxy, alkyl, cycloalkyl, alkenyl, alkynyl, aryl and heteroaryl.