Patent ID: 8475686

Claim:
A compound according to the following formula: wherein X and Y are independently selected from the group consisting of N, C—H, C-alkyl having 1 to 20 carbon atoms, C-cycloalkyl having 3 to 20 carbon atoms, C-aryl, C-heteroaryl, C—CN, C—COOalkyl, C—COaryl, and C—COalkyl, wherein when one of X or Y is C—H the remaining Y or X is not C—H; wherein R1, and R2, R5, R6 are independently selected from the group consisting of aryl, heteroaryl, alkyl having the formula CHR 2 , and alkyl having the formula CR 3 , wherein each R is independently C 1 -C 20 -alkyl; wherein R3 and R4 are independently selected from the group consisting of H, substituted or unsubstituted aryl, heteroaryl, alkyl having 1 to 20 carbon atoms, cycloalkyl having 3 to 20 carbon atoms, NH 2 , NHR ∘ , and NR ∘ 2 , wherein each R ∘ is independently selected from the group consisting of substituted or unsubstituted aryl, heteroaryl, alkyl having 1 to 20 carbon atoms, cycloalkyl, cyclic amine, carbazolyl, dibenzazepinyl, O-alkyl, and O-aryl, wherein the structures of the cyclic amine, carbazolyl, dibenzazepinyl, O-alkyl, and O-aryl comprise the N in NHR ∘ or NR ∘ 2 ; wherein A comprises a spacer selected from group consisting of aryl, heteroaryl, and alkyl; and wherein n is 0 or 1.