Patent ID: 6673820
Filing Date: 2004-01-06
Classification: A61P,C07D

Abstract:
A compound of the formula in whichR1 is hydrogen, halogen, C1-C6alkyl, C1-C6alkoxy, C1-C6haloalkyl or unsubstituted or mono- to pentasubstituted phenyl, where the substituents are selected from the group consisting of C1-C6alkyl, C1-C6haloalkyl, C1-C6alkoxy, aryloxy, halogen, cyano and nitro, where, if the number of substituents exceeds 1, the substituents can be identical or different; R2 is hydrogen, C1-C6alkyl, (C1-C6alkylene)phenyl, pyridyl, COOR6, CONR7R8, COR6, allyl or CH2â€”Oâ€”R6; R3 is unsubstituted or substituted heterocyclyl, where the substituents are in each case selected from the group consisting of unsubstituted or substituted phenyl, where the substituents are selected from the group consisting of C1-C6alkyl, C1-C6alkoxy, halogen, cyano and nitro, where, if the number of substituents exceeds 1, the substituents can be identical or different, benzyl, C1-C6alkyl, C1-C6haloalkyl, C1-C6alkoxy, aryloxy, halogen, cyano, hydroxyl, amino and nitro, where, if the number of substituents exceeds 1, the substituents can be identical or different; R6 is C1-C6alkyl, phenyl or benzyl; R7 and R8 independently of one another are hydrogen or C1-C6alkyl; X1 is N; X2 is N; and X3 is O or S.