公开(公告)号：YU234280A

公开(公告)日：1983-09-30

申请号：YU234280

申请日：1980-09-15

Applicant: BASF AG

Inventor： RICHARZ W ,  FROEHLICH H ,  SCHROEDER H

IPC: A01N43/58 ,  A01P13/00 ,  C07D237/22 ,  C07D237/32 ,  A01N9/20

Abstract: The manufacture of substantially pure 4-amino-5-chloro-1-phenylpyridaz-6-one by reaction of 4,5-dichloro-1-phenylpyridaz-6-one with ammonia in the presence of phenol-4-sulfonic acid.

公开(公告)号：YU43223B

公开(公告)日：1989-06-30

申请号：YU234280

申请日：1980-09-15

Applicant: BASF AG

Inventor： RICHARZ W ,  FROEHLICH H ,  SCHROEDER H

IPC: A01N43/58 ,  A01P13/00 ,  C07D237/22

Abstract: The manufacture of substantially pure 4-amino-5-chloro-1-phenylpyridaz-6-one by reaction of 4,5-dichloro-1-phenylpyridaz-6-one with ammonia in the presence of phenol-4-sulfonic acid.

公开(公告)号：DK388980A

公开(公告)日：1981-03-16

申请号：DK388980

申请日：1980-09-12

Applicant: BASF AG

Inventor： RICHARZ W ,  FROEHLICH H ,  SCHROEDER H

IPC: A01N43/58 ,  A01P13/00 ,  C07D237/22 ,  C07D

Abstract: The manufacture of substantially pure 4-amino-5-chloro-1-phenylpyridaz-6-one by reaction of 4,5-dichloro-1-phenylpyridaz-6-one with ammonia in the presence of phenol-4-sulfonic acid.

公开(公告)号：ZA8005664B

公开(公告)日：1981-09-30

申请号：ZA8005664

申请日：1980-09-12

Applicant: BASF AG

Inventor： FROEHLICH H ,  RICHARZ W ,  SCHROEDER H

IPC: A01N43/58 ,  A01P13/00 ,  C07D237/22 ,  C07D ,  A01N

CPC classification number: C07D237/22

公开(公告)号：ZA805664B

公开(公告)日：1981-09-30

申请号：ZA805664

申请日：1980-09-12

Applicant: BASF AG

Inventor： FROEHLICH H ,  RICHARZ W ,  SCHROEDER H

IPC: A01N43/58 ,  A01P13/00 ,  C07D237/22 ,  C07D ,  A01N

Abstract: The manufacture of substantially pure 4-amino-5-chloro-1-phenylpyridaz-6-one by reaction of 4,5-dichloro-1-phenylpyridaz-6-one with ammonia in the presence of phenol-4-sulfonic acid.