Patent ID: 7355199

Claim:
A compound of Formula 1 wherein m and n are integers selected independently from 0 through10; each X is selected independently from O, Te, Se and NR; R 1 through R 18 are independently selected from hydrogen; substituted or unsubstituted alkyl; substituted or unsubstituted aryl; substituted or unsubstituted heteroaryl; halogen; hydroxy; substituted or unsubstituted aryloxy; substituted or unsubstituted alkoxy; substituted or unsubstituted alkenyl; substituted or unsubstituted alkynyl; substituted or unsubstituted amino; substituted or unsubstituted alkylthio; substituted or unsubstituted phosphino; substituted or unsubstituted silyl; â€”COR; â€”COOR; â€”PO 3 R 2 ;â€”OPO 3 R 2 ; â€”CN; â€”C n F 2n+1 ; and C n F 2n+1 C m H 2m+1 ; and any two adjacent groups, R 1 -R 18 can be taken together to form a ring; and R is selected from hydrogen; substituted and unsubstituted alkyl; substituted and unsubstituted aryl; substituted and unsubstituted heteroaryl; substituted and unsubstituted alkenyl; substituted and unsubstituted alkynyl; and substituted or unsubstituted amino.