Patent ID: 8236843

Claim:
Biphenyl imidazole compounds of Formula (I) and compound of Formula (II) or their salts, wherein compound of the Formula (I) is substituted with one or more of R1 groups in imidazole ring; wherein, R1 is H, —NO 2 , R4, —O—R4, —NH 2 , —SO 2 NH 2 , —NHSO 2 —R4, halo, —COOH, —CHO, —CN; R2 is H, —O—(CH 2 )n-R4 wherein n=0 to 5, —NO 2 , —SO 2 NH 2 , —NHSO 2 —R4, —CN, —COOH, halo, optionally substituted amino group, R4, cyclo alkyl group, alkyl thio, acyl group, substituted or unsubstituted heterocyclic group, alkoxy carbonyl, aryloxy, aryloxy carbonyl, substituted or unsubstituted amide; R4 is any substituted or unsubstituted alkyl of C1 to C20 carbon chain; and compound of Formula (II) is substituted with one or more of R5 in nitro imidazole ring, wherein, R5 is one or more of H, halo, NO 2 , R4, alkoxy carbonyl, —O—(CH 2 )n-R4 wherein n is 0 to 5, —COOH, —SO 2 NH 2 , —NHSO2-R4, aryl, cycloalkyl, benzyl or substituted benzyl optionally substituted on phenyl ring with at least one halogen, CN, —(CH 2 )m-R7 wherein m is 0 to 5, —(CH 2 )p-OC(O)R4 wherein p is 1 to 5, substituted or unsubstituted amine; R6 is one or more of CN, H, halo, NO 2 , —NH 2 , R4, alkoxy carbonyl, —O—(CH 2 )n-R4 wherein n is 0 to 5, —COOH, —SO 2 NH 2 , —NHSO 2 —R4, SO 2 —NH—R4, aryl, substituted or unsubstituted heterocyclic group, —CH 2 COOH, —CH 2 COOR4, —SO 3 H, —PO 3 H, substituted or unsubstituted amide, —CH 2 -R7, —CONH—R7 wherein R7 is any substituted or unsubstituted heterocyclic group and R4 is any substituted or unsubstituted alkyl of C1 to C20 carbon chain.