发明授权
- 专利标题: Preparation of 4-methyl-5-chloromethyl-imidazole
- 专利标题(中): 4-甲基-5-氯甲基咪唑的制备
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申请号: US974248申请日: 1978-12-29
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公开(公告)号: US4211875A公开(公告)日: 1980-07-08
- 发明人: Klaus Halbritter
- 申请人: Klaus Halbritter
- 申请人地址: DEX
- 专利权人: BASF Aktiengesellschaft
- 当前专利权人: BASF Aktiengesellschaft
- 当前专利权人地址: DEX
- 优先权: DEX2800148 19780103
- 主分类号: C07D233/54
- IPC分类号: C07D233/54 ; C07D233/64
摘要:
4-Methyl-5-chloromethyl-imidazole is prepared in the form of its hydrochloride by direct chloromethylation of 4-methyl-imidazole, thus becoming readily available industrially as an intermediate.
公开/授权文献
- US6018080A Atovaquone pharmaceutical compositions 公开/授权日:2000-01-25
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