发明名称 |
One-pot synthesis of alkyl 3-cyclopropylamino-2-(2,4-dibromo-3-(difluoromethoxy)benzoyl)-2-propenoate as a useful intermediate for antibacterial quinolone medicaments |
摘要 |
The present invention relates to a new and industrially advantageous one-pot process for the preparation of alkyl 3-cyclopropyl amino-2-[2,4-dibromo-3-(difluoromethoxy) benzoyl]-2-propenoates in which R represents methyl or ethyl, which are valuable intermediates for the production of highly active antibacterial quinolone medicaments. |
申请公布号 |
AU3590801(A) |
申请公布日期 |
2001.09.17 |
申请号 |
AU20010035908 |
申请日期 |
2001.03.07 |
申请人 |
RANBAXY LABORATORIES LIMITED;TOYAMA CHEMICAL CO. LTD. |
发明人 |
PROSENJIT BOSE;NARESH KUMAR;TARO KIYOTO |
分类号 |
C07C227/18;C07C227/16;C07C229/34 |
主分类号 |
C07C227/18 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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