| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing an azo compound that makes it possible to produce an azo compound with excellent chromatic purity at good yields.SOLUTION: The present invention provides a method for producing an azo compound represented by formula (3), wherein, organic amine compounds represented by formula (2) or salts thereof are subjected to diazotization reaction in the presence of nitrosyl sulfuric acid, to produce diazonium salts, and they are made to react with compounds represented by formula (1) (Ris a halogen atom, an alkyl group, or an alkoxy group; n is an integer of 0-4; Rand Rare H; Rand Rare H, an alkyl group, an aromatic group, a group represented by formula (4) or the like; Rand Rare H, an alkyl group, an aromatic group or the like; X is O or S; * is a bond position).SELECTED DRAWING: None |
