Patent ID: 8546505
Filing Date: 2013-10-01
Classification: C07D,C08G,C08K,H01L

Abstract:
1. A compound represented by the formulas: wherein: each optional R4′, R4″, R4′″, or R4″″ group is independently selected from one or more C each x is an independently selected integer 0, 1, 2, 3 or 4, Y is selected from the group consisting of carbazole, purine, indole, indoline, carboline, naphthalene, azulene, anthracene, phenanthrene, benzene, phenyl, pyridine, pyrrole, oxazole, thiazole, pyrrole, imidazole, furan, thiophene, triazole, pyrazole, isoxazole, pyrazine, pyridazine, and triazine rings, wherein; M and are bound to the norbornene, Y, or carbazole groups at the positions indicated by *; R 1 and R 2 are optional independently selected C 1-20 alkane diyl, alkene diyl, alkyne diyl, or arene diyl groups; and optional M