Patent ID: 7399760
Filing Date: 2008-07-15
Classification: A61P,C07D

Abstract:
1. A compound of formula (Ia): its tautomeric forms, its stereoisomers and their pharmaceutically acceptable salts, wherein X and Y may be same or different and independently represent oxygen, sulfur or NR, wherein R represents hydrogen, hydroxyl, acyl, alkyl, alkoxy, aryl, amino, hydroxylamino, alkylamino, arylamino, acylamino, or alkoxyamino group; the ring represented by B is selected from aryl and heteroaryl; R 3 represents SR 7 , wherein R 7 represents alkyl or aryl; S(O) p R 8 , wherein R 8 represents alkyl, amino or aryl group and p represents an integer of 1 or 2; R 4 represents hydrogen, halogen, hydroxyl, nitro, cyano, azido, nitroso, amino, formyl, alkyl, haloalkyl, acyl, alkoxy, monoalkylamino, dialkylamino, acylamino, alkoxycarbonyl, alkylsulfonyl, alkylsulfinyl, alkylthio, sulfamoyl, alkoxyalkyl groups or carboxylic acids or its derivatives; R 5 and R 6 may be same or different and independently represent hydrogen, halogen, hydroxyl, formyl, cyano, nitroso, nitro, amino, alkyl, acyl, monoalkylamino, dialkylamino, arylamino, acylamino, alkoxyalkyl or COR 9 , wherein R 9 represents hydroxy, amino, halogen, alkoxy, aryloxy, monoalkylamino, dialkylamino, or arylamino groups; n is an integer and represents 0 to 2.