Patent ID: 9550724
Date: 2017-01-24
CPC Classifications: C07C

Claim:
1. A method for producing diphenylamine compounds represented by general formula (3): wherein, Z represents methoxy group at the para position of amine; m is 1; which is characterized by reacting aniline compounds represented by general formula (2): wherein, Z and m are as defined above; under the presence of base and ethers solvent, with 2,6-dichloronitrobenzene compound represented by general formula (1): wherein Y is halogen and n represents an integer of 0, wherein 2.0 moles or more of aniline compound represented by general formula (2) is used relative to 1 mole of 2,6-dichloronitrobenzene compound represented by general formula (1) and 2.0 equivalents or more of base is used relative to 1 mole of 2,6-dichloronitrobenzene compound represented by general formula (1).