Patent ID: 8222429

Claim:
A compound represented by Formula (3): wherein Ar 1 is an optionally substituted aromatic or heteroaromatic ring, Ar 2 is an optionally substituted aryl or heteroaryl group, X is a leaving group, and n is an integer of 1 or 2, wherein the aromatic or heteroaromatic ring of Ar 1 is selected from the group consisting of a benzene ring, a naphthalene ring, an anthracene ring, a phenanthrene ring, a fluorene ring, a dibenzo[b,d]furan ring, a pyridine ring, a pyrimidine ring, and a pyrazine ring; wherein the optionally substituted aromatic ring Ar 1 and/or the optionally substituted aryl group Ar 2 has one to three substituents selected from the group consisting of an alkyl group, a haloalkyl group, an alkoxy group, a dialkylamino group, a halogen atom, a cyano group, and a nitro group; and wherein the leaving group X is selected from the group consisting of a halogen atom, an imidazolyl group, and a pentafluorophenyl group.