Patent ID: 6780884
Filing Date: 2004-08-24
Classification: A61P,C07D

Abstract:
A compound having the formula (I): and their acid addition salts where the compounds are basic, wherein: each of R1, and each of R2 and R3 is independently selected from among hydrogen, halogen, C1-4 alkyl, C1-4 alkoxy, NRâ€²Râ€³, N(Râ€²)C(:O)Ro, nitro, aryl, aryl-C1-4 alkyl, or aryl-C1-4 alkoxy, Ro is C1-4 alkyl or aryl, and each of Râ€² and Râ€³ is independently H or C1-4 alkyl, or Râ€²&boxH;Râ€³&boxH;ClCH2CH2, or NRâ€²Râ€³ constitutes a saturated heterocyclic ring containing 3-8 ring members; m is 0-4; t is 0-3; and X is NH, Nâ€”C1-4 alkyl, O or S; provided that X is not NH when simultaneously (R1)m is 5-methoxy, R2 is H or I and t=0, and that X is not S when simultaneously R2 is H and m=t=0.