Patent ID: 8796490

Claim:
A production method of a triarylamine compound, comprising the steps of: providing a compound represented by following formula (5) and a compound represented by following formula (2); and allowing the compound represented by formula (5) to react with the compound represented by formula (2) in the presence of palladium and alkylphosphine, to form a compound represented by following formula (6), wherein, in formula (5), Ar 2 , Ar 3 , Ar 5 , and Ar 6 each independently represent an aryl group which may have a methyl group, an ethyl group, a propyl group, and/or a butyl group; and Ar 4 represents an arylene group or a heteroarylene group, each of which may be substituted, selected from the group consisting of the following groups 5-1 to 5-11: wherein, in the groups 5-1 to 5-11, * indicates a bonding site; X represents a halogen atom substituted onto Ar 2 , Ar 3 , Ar 5 and/or Ar 6 ; if a plurality of X is present, the plurality of X may be the same or different halogen atom from each other; and m is 3 to 4, wherein, in formula (2), R 1 represents a hydrogen atom or an alkyl group; R 2 represents a hydrogen atom or a methyl group; and R 3 represents a hydrogen atom, an alkoxy group, an aryl group, an amino group, or an alkyl group, and wherein, in formula (6), Ar 2 , Ar 3 , Ar 5 , Ar 6 , X and m have the same meanings as those of formula (5), respectively; R 1 , R 2 and R 3 have the same meanings as those of formula (2), respectively; and n represents a natural number equal to or less than m.