Patent ID: 8022217

Claim:
Compound represented by the formula (1) wherein X is selected from C═O; R 1 and R 2 may, together along with the atoms to which they are attached, form a 6 membered heterocyclic ring having 1 heteroatoms selected from N; R 3 at each occurrence is independently an H atom; R 4 is selected from an optionally substituted C (3-13) carbocyclic or a heterocyclic residue; R 5 at each occurrence is independently an H atom; R 6 is selected from hydrogen, optionally substituted C (3-13) carbocyclic or a heterocyclic residue; R 7 at each occurrence is independently selected from the group consisting of hydrogen, halogen, optionally substituted groups selected from C (1-6) alkyl, lower halo C (1-6) alkyl groups; and m=1-2, n=2, p=0-3.