Patent ID: 7649097

Claim:
A compound formula (I), and its tautomeric forms, its stereoisomers, and its pharmaceutically acceptable salts, wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 and R 12 may be same or different and each independently represent hydrogen, halogen, perhaloalkyl, hydroxy, amino, nitro, cyano, formyl, amidino, guanidino, substituted or unsubstituted groups selected from the group consisting of 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, and hydroxylamino; or the adjacent groups R 1 and R 2 or R 2 and R 3 or R 3 and R 4 or R 5 and R 6 or R 6 and R 7 or R 7 and R 8 together with carbon atoms to which they are attached may form a 5, 6, or 7 membered ring, which may further optionally contain one or more double bonds and/or one or more heteroatoms selected from the group consisting of the group “Oxygen”, “Nitrogen”, “Sulfur” and “Selenium”; or R 9 and R 10 or R 11 and R 12 together represent double bond attached to “Oxygen” or “Sulfur”; or R 9 and R 10 or R 11 and R 12 together with the carbon atoms to which they are attached may form a 3, 4, 5, or 6 membered ring, which may further optionally contain one or more double bonds, and/or one or more heteroatoms selected from the group consisting of the group “Oxygen”, “Nitrogen”, “Sulfur” and “Selenium,”; R 13 and R 14 may be same or different and each independently represents hydrogen, substituted or unsubstituted groups selected from the group consisting of linear or branched (C 1 -C 12 )alkyl, (C 2 -C 12 )alkenyl, (C 2 -C 12 )alkynyl, (C 2 -C 12 )alkanoyl (C 3 -C 7 )cycloalkyl, (C 3 -C 7 )cycloalkenyl, bicycloalkyl, bicycloalkenyl, aryl, aralkyl, heteroaryl, and heterocyclylalkyl; or R 13 and R 14 along with the nitrogen atom, may form a 3, 4, 5, 6 or 7-membered heterocyclic ring, wherein the ring may be further substituted, and it may have either one, two or three double bonds or “additional heteroatoms”; and “n” is an integer ranging from 1 to 8.