- 专利标题: SYNTHESIS OF 4-AMINO-5-METHYL-1H-PYRIDIN-2(1H)-ON (INTERMEDIATE COMPOUND FOR THE SYNTHESIS OF THE MR ANTAGONIST FINERENONE) FROM 2-CHLORO-5-METHYL-4-NITRO-PYRIDINE-1-OXIDE USING THE INTERMEDIATE COMPOUND 2-CHLORO-5-METHYL-4-PYRIDINAMINE
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申请号: US17435606申请日: 2020-02-28
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公开(公告)号: US20220153699A1公开(公告)日: 2022-05-19
- 发明人: Johannes Platzek , Kai Lovis
- 申请人: Bayer Aktiengesellschaft , Bayer Pharma Aktiengesellschaft
- 申请人地址: DE Leverkusen; DE Berlin
- 专利权人: Bayer Aktiengesellschaft,Bayer Pharma Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft,Bayer Pharma Aktiengesellschaft
- 当前专利权人地址: DE Leverkusen; DE Berlin
- 优先权: EP19160904.9 20190305
- 国际申请: PCT/EP2020/055292 WO 20200228
- 主分类号: C07D213/73
- IPC分类号: C07D213/73
摘要:
The present invention relates to a novel and improved method for preparing 4-amino-5-methylpyridone of the formula (I) which is an intermediate in the preparation of the MR antagonist finerenone.
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