Patent ID: 7781476

Claim:
A compound of the Formula (I), wherein A may be either —CR 11 R 12 —, —C═O or —SO 2 —; R 1 , R 2 , R 3 , R 4 , R 6 , R 7 , R 8 and R 9 , R 11 , R 12 , R 13 , R 14 and R 15 may be same or different and each independently represent hydrogen, halogen, oxo, thio, perhaloalkyl, perhaloalkoxy, hydroxy, amino, nitro, cyano, formyl, amidino, guanidino, substituted or unsubstituted groups selected from linear or branched (C 1 -C 12 )alkyl, (C 2 -C 12 )alkenyl, (C 2 -C 12 )alkynyl, (C 3 -C 7 )cycloalkyl, (C 3 -C 7 )cycloalkenyl, bicycloalkyl, bicycloalkenyl, (C 1 -C 12 )alkoxy, cyclo(C 3 -C 7 )alkoxy, aryl, aryloxy, aralkyl, aralkoxy, heterocyclyl, heteroaryl, heterocyclylalkyl, heteroaralkyl, heteroaryloxy, heteroaralkoxy, heterocyclylalkyloxy, acyl, acyloxy, acylamino, monoalkylamino, dialkylamino, arylamino, diarylamino, aralkylamino, alkoxycarbonyl, aryloxycarbonyl, aralkoxycarbonyl, heterocyclylalkoxycarbonyl, heteroaryloxycarbonyl, hydroxyalkyl, aminoalkyl, monoalkylaminoalkyl, dialkylaminoalkyl, alkoxyalkyl, aryloxyalkyl, aralkoxyalkyl, alkylthio, thioalkyl, alkoxycarbonylamino, aryloxycarbonylamino, aralkyloxycarbonylamino, aminocarbonylamino, alkylaminocarbonylamino, dialkylaminocarbonylamino, alkylamidino, alkylguanidino, dialkylguanidino, hydrazino, hydroxylamino, carboxylic acid and its derivatives, sulfonic acids and its derivatives, phosphoric acid and its derivatives; or the adjacent groups like R 1 and R 2 or R 2 and R 3 or R 3 and R 4 or R 6 and R 7 or R 7 and R 8 or R 8 and R 9 together with carbon atoms to which they are attached may form a five or a six membered ring, optionally containing one or more double bonds and optionally containing one or more heteroatoms selected from “Oxygen”, “Nitrogen”, “Sulfur” or “Selenium” and combinations of double bond and heteroatoms; or optionally R 11 and R 12 together with the carbon atoms to which they are attached may form a three to six membered ring, optionally containing one or more double bonds and optionally containing one or more heteroatoms selected from “Oxygen”, “Nitrogen”, “Sulfur” or “Selenium” and combinations of double bond and heteroatoms; or optionally either R 11 or R 12 with may form bond with either R 16 or R 17 to form a 5, 6 or 7-membered heterocyclic ring, which may be further substituted with R 14 and R 15 , and may have either one, two or three double bonds; R 13 , R 16 and R 17 may be same or different and each independently represents Hydrogen, substituted or unsubstituted groups selected from linear or branched (C 1 -C 12 )alkyl, (C 2 -C 12 )alkenyl, (C 2 -C 12 )alkynyl, (C 3 -C 7 )cycloalkyl, (C 3 -C 7 )cycloalkenyl, bicycloalkyl, bicycloalkenyl, aryl, aralkyl, heteroaryl, heterocyclylalkyl; optionally R 13 along with either R 16 or R 17 and the two nitrogen atoms may form a 5, 6 or 7-membered heterocyclic ring, which may be further substituted with R 14 and R 16 , and may have either one, two or three double bonds; and “n” is an integer ranging from 1 to 4, wherein the carbon chains which “n” represents may be either linear or branched.