Patent ID: 7192657

Claim:
A compound of formula I wherein D is a monovalent, divalent, trivalent, or tetravalent radical of a C 3-30 alkane, C 3-30 heteroalkane, conjugated or unconjugated C 6-60 carbocyclic aromatic compound, C 3-60 heteroaromatic compound, C 18-60 tertiary aromatic amino compound, or a compound or Formula II or Formula III wherein D is unsubstituted or substituted with one or more alkyl, alkenyl, alkoxy, aryl, aryloxy, fluoro, fluoroalkyl, perfluoroalkyl, heteroalkyl, heteroaryl, or combinations thereof, wherein Ar 1 is trivalent radical of a conjugated C 6-30 carbocyclic aromatic compound that is unsubstituted or substituted with one or more alkyl, alkenyl, alkoxy, aryl, aryloxy, fluoro, fluoroalkyl, perfluoroalkyl, heteroalkyl, heteroaryl, or combinations thereof; E is a C 3-60 heteroarylene having at least one —C═N— unit, said heteroarylene being unsubstituted or substituted with one or more alkyl, alkenyl, alkoxy, aryl, aryloxy, fluoro, fluoroalkyl, perfluoroalkyl, heteroalkyl, heteroaryl, or combinations thereof; G is a monovalent radical selected from hydrogen, C 1-30 alkyl, C 1-30 heteroalkyl, C 3-60 heteroaryl, C 6-60 aryl, or C 18-60 tertiary aromatic amino aryl wherein G is unsubstituted or substituted with one or more alkyl, alkenyl, alkoxy, aryl, aryloxy, fluoro, fluorualkyl, perfluoroalkyl, heteroalkyl, heteroaryl, or combinations thereof; J is a monovalent radical selected from C 1-30 alkyl, C 1-30 heteroalkyl, C 6-60 aryl, or C 18-60 tertiary aromatic amino aryl wherein J is unsubstituted or substituted with one or more alkyl, alkenyl, alkoxy, aryl, aryloxy, fluoro, fluoroalkyl, perfluoroalkyl, heteroalkyl, or combinations thereof; Z is NH or CH 2 and n is an integer of 1 to 4, wherein no more than one of D and J is an unsubstituted phenyl when n is equal to 1.