Patent ID: 8349846

Claim:
The compound of formula (I): wherein, ring A is aryl or heteroaryl; R is nitro, cyano, halogen, —OR a , substituted or unsubstituted alkyl, haloalkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, substituted or unsubstituted heterocyclic group or substituted or unsubstituted heteroaryl; R 1 is nitro, cyano, halogen, substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, substituted or unsubstituted heterocyclic group, —NR 3 R 4 , —C(O)—R 3 , —C(O)O—R 3 , —C(O)NR 3 R 4 , —S(O) p NR 3 R 4 or —S(O) p R 3 ; wherein substituents of aryl, heteroaryl or heterocyclic group are independently selected from halogen, nitro, cyano, —COOH, —C(O)—R 3 , —NHC(O)—R 3 , —OR a , substituted or unsubstituted alkyl, linear or branched chain alkyl, haloalkyl, thioalkyl or substituted or unsubstituted cycloalkyl; R 2 is hydrogen, nitro, cyano, halogen, —OR a , substituted or unsubstituted alkyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkenyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, substituted or unsubstituted heterocyclic group, —NR 3 R 4 , —C(O)NR 3 R 4 , —S(O) p NR 3 R 4 or —S(O) p R 3 ; each occurrence of R a is independently selected from the group consisting of hydrogen, substituted or unsubstituted alkyl, haloalkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroaryl, substituted or unsubstituted heterocyclic group, substituted or unsubstituted cycloalkylalkyl, substituted or unsubstituted arylalkyl, substituted or unsubstituted heteroarylalkyl or substituted or unsubstituted heterocyclylalkyl; each occurrence of R 3 and R 4 are independently hydrogen, —OR a , substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted cycloalkyl, substituted or unsubstituted cycloalkylalkyl, substituted or unsubstituted cycloalkenyl substituted or unsubstituted aryl, substituted or unsubstituted arylalkyl, substituted or unsubstituted heteroaryl, substituted or unsubstituted heteroarylalkyl, substituted or unsubstituted heterocyclic group or substituted or unsubstituted heterocyclylalkyl; ‘m’ is an integer selected from 0 to 4; ‘n’ is an integer selected from 0 to 5; ‘p’ is an integer selected from 0 to 2; or stereoisomer, enantiomer, diastereomer or pharmaceutically acceptable salt thereof.