公开(公告)号：JPH082848B2

公开(公告)日：1996-01-17

申请号：JP15333388

申请日：1988-06-20

Applicant: TORAY INDUSTRIES

Inventor： NISHIMURA KAZUAKI ,  OONO TAKAE ,  MATSUSUMI YOSHIHISA

IPC: C07C209/68 ,  C07C67/00 ,  C07C209/00 ,  C07C211/56 ,  C07C217/92

公开(公告)号：JPH023631A

公开(公告)日：1990-01-09

申请号：JP15333388

申请日：1988-06-20

Applicant: TORAY INDUSTRIES

Inventor： NISHIMURA KAZUAKI ,  ONO TAKAE ,  MATSUSUMI YOSHIHISA

IPC: C07C209/68 ,  C07C67/00 ,  C07C209/00 ,  C07C211/56 ,  C07C217/92

Abstract: PURPOSE:To easily and directly obtain the subject compound with single-stage operation in high yield on an industrial scale at a low cost by using nitrosyl chloride soluble in organic solvent as a nitrosation agent and reacting diphenylamines with the nitrosation agent and hydrogen chloride in a specific solvent to effect the nitrosation of the diphenylamines. CONSTITUTION:The objective compound of formula II useful as an intermediate for antioxidant for rubber, azo dye, etc., is produced by the nitrosation reaction of diphenylamines of formula I (R and R are H, CH3, C2H5, cyclohexyl, OCH3, OC2H5, C1 or Br) with nitrosyl chloride and hydrogen chloride in a solvent containing 1-10C alkyl alcohol (e.g., isobutanol) or a cycloalcohol usually at 5-60 deg.C under atmospheric pressure. The nitrosyl chloride used as the nitrosation agent is free from explosion or decomposition property and has little problems in handling. The amount of hydrogen chloride can be decreased because the hydrogen chloride produced from nitrosyl chloride can be used as it is in the reaction.