Patent ID: 6756367
Filing Date: 2004-06-29
Classification: C07D

Abstract:
A compound of formula I whereinX is O, S, Nâ€”CH3, CH&boxH;CH or CAlk&boxH;CAlk, where the Alk independently are (C1-4)alkyl, R1 and R2 independently, are hydrogen, halogen, (C1-4)alkyl, (C1-4)alkoxy or trifluoromethyl, and Het is a radical having one of the formulae (a) to (p) below: â€ƒwherein R3 and R8, independently, are hydrogen or (C1-4)alkyl, R4 is hydrogen, (C1-4)alkyl, cyano, nitro, formyl or (C1-4)alkylcarbonyl, R5 and R6, independently, are hydrogen, (C1-7)alkyl, (C3-7)alkenyl, (C3-7)cycloalkyl, (C3-7)cycloalky(C1-4)alkyl, (C1-4)alkoxy(C2-5)alkyl or benzyl, R7 is hydrogen, hydroxy, (C1-4)alkyl or (C1-4)alkoxy, W is N, Câ€”CN, Câ€”NO2, Câ€”COH or Câ€”COâ€”Alk where Alk is as defined above, and X is as defined above, in free base or acid addition salt form.