Patent ID: 7399786

Claim:
A compound of the formula (I) its stereoisomers, pharmaceutically acceptable salts and pharmaceutical compositions, wherein, represents a bond or no bond; A is selected from the group consisting of substituted and unsubstituted 5 to 18-membered aryl; B represents a ring system selected from the group consisting of substituted and unsubstituted 5 to 18-membered aryl; R 1 represents —OR 10 or NR 11 R 12 ; R 2 and R 3 may be same or different and independently represent H, COR 13 , substituted or unsubstituted groups selected from alkyl, alkenyl, aryl, alkylsufonyl, alkylsulfinyl, arylsulfonyl, arylsulfinyl, alkylthio or arylthio; R 4 represents hydrogen, substituted or unsubstituted groups selected from the group consisting of alkyl, aryl, and araalkyl; R 5 represents H, halogen, nitro, cyano, formyl, substituted or unsubstituted groups selected from the group consisting of alkyl, alkenyl, haloalkyl, alkoxy, aryl, alkanoyl and carboxylic acids and its derivatives; R 7 , R 8 , and R 9 may be same or different and represent hydrogen, nitro, nitrile, hydroxy, formyl, azido, halo, or substituted or unsubstituted groups selected from the group consisting of alkyl, alkoxy, acyl, cycloalkyl, haloalkyl, amino, hydrazine, monoalkylamino, dialkylamino, acylamino, alkylsufonyl, alkylsulfinyl, arylsulfonyl, arylsulfinyl, alkylthio, arylthio, alkoxycarbonyl, aryloxycarbonyl, alkoxyalkyl, sulfamoyl and carboxylic acid and its derivatives; R 10 represents hydrogen, substituted or unsubstituted groups selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, and a counter ion; R 11 and R 12 may be same or different and independently represent H, substituted or unsubstituted groups selected from the group consisting of alkyl, alkenyl and aryl or R 11 and R 12 together with nitrogen may represent substituted or unsubstituted mono or bicyclic saturated or unsaturated ring system which may contain one or more heteroatoms selected from O, S or N provided that said ring system is piperazine or morpholine; R 13 represents H, substituted or unsubstituted groups selected from the group consisting of alkyl, aryl, alkenyloxy, aryloxy, and alkoxy; Z represents O, S or NR 14 , R 14 represents hydrogen or alkyl; when Z represents O or S, R 6 represents hydrogen or substituted or unsubstituted groups selected from the group consisting of alkyl, alkenyl, aryl, aralkyl, cycloalkyl; when Z represents NR 14 , R 6 represents H, hydroxy, protected hydroxyl group, alkyloxy, aryloxy, amino, substituted or unsubstituted groups select from the group consisting of alkyl, haloalkyl, alkenyl, monoalkylamino, dialkylamino, aryl, aralkyl and cycloalkyl; R 14 represents hydrogen or alkyl; Y represents O, S or NR 14 ; m is an integer from 0 to 8; n is an integer from 0 to 4; X represents a bond, O, S, SO or SO 2 .