Patent number: 6610678
Abstract: This invention concerns compounds of formula
including the stereoisomers and the pharmaceutically acceptable acid addition salt forms thereof, wherein R1 is C1-6alkyl, NR6R7, OR6 or SR7; R2 is hydrogen, C1-6alkyl, C1-6alkyloxy or C1-6alkylthio; R3 is Ar1 or Het1; R4 and R5 are each independently selected from hydrogen, halo, C1-6alkyl, C1-6alkyloxy, trifluoromethyl, cyano, nitro, amino, and mono- or di(C1-6alkyl)amino; R6 is hydrogen, C1-6alkyl, C1-6alkylsulfonyl, C1-6alkylsulfoxy or C1-6alkylthio; R7 is hydrogen, C1-8alkyl, mono- or di(C3-6cyclo-alkyl)methyl, C3-6cycloalkyl, C3-6alkenyl, hydroxyC1-6alkyl, C1-6alkylcarbonyloxy-C1-6alkyl or C1-6alkyloxyC1-6alkyl; R6 is C1-8alkyl, mono- or di(C3-6cycloalkyl)-methyl, Ar2CH2, C1-6alkyloxyC1-6alkyl, hydroxyC1-6alkyl, C3-6alkenyl, thienylmethyl, furanylmethyl, C1-6alkylthioC1-6alkyl, mono- or di(C1-6alkyl)aminoC1-6alkyl, di(C1-6alkyl)amino, C1-6alkylcarbonylC1-6alkyl; or R6 and R7 taken together with the nitrogen atom to which they are attached ma
Type:
Grant
Filed:
October 8, 2002
Date of Patent:
August 26, 2003
Inventors:
Charles Huang, Keith M. Wilcoxen, Chen Chen, Mustapha Haddach, James R. McCarthy