Patent ID: 7514158
Filing Date: 2009-04-07
Classification: C07D,C09B,C09K,H01L,Y10S

Abstract:
1. A coumarin compound represented by Formula 1: wherein in Formula 1, Ø is an aromatic ring or heterocycle selected from the group consisting of thiophene, triazine, furan, benzene, pyrazine, pyridine, naphthalene, anthracene, thieno[3,2-b]thiophene, phenanthrene, fluorene, furo[3,2-b]furan, terphenyl, biphenyl, bithiophene, bifuran, acridine, isoquinoline, indole, carbazole, carboline, quinoline, dibenzofuran, cinnoline, thionaphthene, 1,10-phenanthroline, phenothiazine, purine, and benzofuran rings, and combinations thereof, which may optionally have a substituent; each Z is the same or different coumarin group represented by Formula 1, with the proviso that each coumarin group may optionally have a substituent; and m is an integer of two or more; with the proviso that (i), when o contains any of triazine, furan, benzene, pyrazine, naphthalene, indole, and phenanthrene, each of said furan, naphthalene, pyrazine, indole, and phenanthrene is bonded with the same or different aromatic ring or heterocycle as identified above, said triazine is bonded with Z with m being three said bonding being directly or via any one of the above-identified thiophene, furan, benzene, pyrazine, pyridine, naphthalene, and fluorene; (ii) when Ø contains benzene, said benzene is bonded with Z with m being three or more; and (iii) when o contains pyridine, said pyridine is bonded with another pyridine; wherein in Formula 2, R 1 to R 5 independently represent hydrogen or a substituent selected from the group consisting of aliphatic hydrocarbon groups, alicyclic hydrocarbon groups, aromatic hydrocarbon groups, heterocyclic groups, amino groups, halogen groups, and combinations thereof; R 3 and R 4 may form a cyclic structure together with the carbon atoms linked to R 2 , R 3 , R 4 and/or R 5 , and in this case, R 2 , R 3 , R 4 and/or R 5 do not independently exist.