Patent ID: 8273741
Filing Date: 2012-09-25
Classification: A61P,C07D

Abstract:
1. A compound represented by the formula (II): wherein ring Ya is (1) C (2) monocyclic aromatic heterocycle optionally substituted by 1 to 3 substituents selected from (3) fused aromatic heterocycle optionally substituted by 1 to 3 substituents selected from Xa is —O—, —S—, —S(O)—, —S(O) R (1) amino, (2) C (3) C (4) C (5) C (6) C (7) 6-membered heterocyclyl-carbonylamino optionally substituted by 1 to 3 substituents selected from (8) aminocarbonylamino optionally substituted by 1 or 2 substituents selected from (9) C (10) C (11) C (12) C (13) heterocyclylamino optionally substituted by 1 to 3 substituents selected from R R R provided that methyl [6-(phenylthio)imidazo[1,2-b]pyridazin-2-yl]carbamate and methyl [6-(phenylsulfinyl)imidazo[1,2-b]pyridazin-2-yl]carbamate are excluded, or a salt thereof.