- 专利标题: PROCESS FOR PREPARING 4-AMINO-PYRIDAZINES
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申请号: US17323337申请日: 2021-05-18
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公开(公告)号: US20210276959A1公开(公告)日: 2021-09-09
- 发明人: Eric George Klauber , Michael Rack , Roland Goetz , Sebastian Soergel
- 申请人: BASF SE
- 申请人地址: DE Ludwigshafen am Rhein
- 专利权人: BASF SE
- 当前专利权人: BASF SE
- 当前专利权人地址: DE Ludwigshafen am Rhein
- 优先权: EP15169166.4 20150526
- 主分类号: C07D237/20
- IPC分类号: C07D237/20 ; C07D401/12 ; C07B31/00 ; C07B39/00 ; C07B43/04 ; C07D237/12 ; C07D403/12
摘要:
Provided herein is a process for preparing a pyridazine amine compound of formula V, and a process for preparing dichloropyridazine amine compounds of formula IVa, IVb, and mixtures thereof. Further, provided herein are dichloropyridazine amine compounds of formula IVa, IVb, and mixtures thereof, wherein the amino group is an ethylamino group.
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