METHOD OF MAKING THE PURE 4-AMINO-5-CHLOR-1-PHENYL-6-PYRIDAZONE

Invention Patent

CS214843B2 METHOD OF MAKING THE PURE 4-AMINO-5-CHLOR-1-PHENYL-6-PYRIDAZONE 未知

Please log in to see more content

Patent Title: METHOD OF MAKING THE PURE 4-AMINO-5-CHLOR-1-PHENYL-6-PYRIDAZONE
Application No.: CS619280

Application Date: 1980-09-11
Publication No.: CS214843B2

Publication Date: 1982-06-25
Inventor: RICHARZ WINFRIED , FROEHLICH HELMUT , SCHROEDER HARALD
Applicant: BASF AG
Assignee: BASF AG
Current Assignee: BASF AG
Priority: DE2937421 1979-09-15
Main IPC: A01N43/58
IPC: A01N43/58 ; A01P13/00 ; C07D237/22 ; C07D237/10

METHOD OF MAKING THE PURE 4-AMINO-5-CHLOR-1-PHENYL-6-PYRIDAZONE

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.

Information query

Espacenet

IPC分类:

A	人类生活必需
A01	农业；林业；畜牧业；狩猎；诱捕；捕鱼
A01N	人体、动植物体或其局部的保存（食品或粮食的保存入A23）；杀生剂，例如作为消毒剂，作为农药或作为除草剂（杀灭或防止不期望生物体的生长或繁殖的医用、牙科用或梳妆用的配制品入A61K）；害虫驱避剂或引诱剂；植物生长调节剂
A01N43/00	含有杂环化合物的杀生剂、害虫驱避剂或引诱剂，或植物生长调节剂（含有环酐，环状亚胺的化合物入A01N37/00；含有分子式Xm……CnNCC的化合物，即仅含1个杂环，其中m≥1和n≥0及NCC是未取代的或是烷基取代的吡咯烷、哌啶、吗啉、硫代吗啉、哌嗪或带有4个或更多CH2基的聚亚甲基亚胺的化合物入A01N33/00至A01N41/12；含环丙烷羧酸或其衍生物，如具有杂环的酯入A01N53/00）
A01N43/48	.具有带两个氮原子作为仅有的环杂原子的环
A01N43/58	..1,2二嗪；氢化1,2二嗪