Patent ID: 8906913

Claim:
A compound of Formula Ib, or its tautomeric forms, stereoisomers including R and S isomers, or pharmaceutically acceptable salts thereof, wherein: ring A is phenyl; ring B is morphonilyl, attached to ring A through a nitrogen atom at any available position of ring A, ring B can further be fused to one or more aryl; R 1 , R 2 and R 4 are independently selected from —H, C 1-12 alkyl, C 2-12 alkenyl, C 2-12 alkynyl, C 1-12 alkoxyalkyl, C 3-20 cycloalkyl, —COR a , —COOR a , —CONR a R b , and —SO 2 R a each of which may be optionally substituted at any available position by one or more substituents selected from but not limited to halogen, —OR a ; R 3 represents —(CH 2 ) p Z; Z is selected from —H or —OR a ; R 5 is independently selected from —H, halogen; R 6 is independently selected from —H or C 1-12 alkyl; Q is O; R a and R b are same or different and can independently be selected from —H, C 1-12 alkyl, C 3-20 cycloalkyl, heterocyclyl, aryl, heteroaryl; m is 0, 1, 2, 3 or 4; r is 0, 1, 2, 3 or 4; p is 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10; s is 0, 1, 2, 3 or 4.