Patent ID: 7902402

Claim:
A method for producing a tetramine compound represented by formula (1) shown below, comprising: a condensation reaction comprising condensing a triphenyldiaminobiphenyl compound represented by formula (A) and a dihalogen compound represented by formula (B): wherein R1, R2 and R3, which may be the same or different, each represents a hydrogen atom, a tertiary alkyl group having 4 to 8 carbon atoms, an unsubstituted aryl group or an aryl group substituted with a tertiary alkyl group having 4 to 8 carbon atoms, and n represents 3 or 4; wherein X represents a halogen atom, and n represents 3 or 4; wherein R1, R2 and R3, which may be the same or different, each represents a hydrogen atom, a tertiary alkyl group having 4 to 8 carbon atoms, an unsubstituted aryl group or an aryl group substituted with a tertiary alkyl group having 4 to 8 carbon atoms, and n represents 3 or 4.