| 发明名称 |
PROCESS FOR THE PREPARATION OF 6,6-DIBROMOPENICILLANIC ACID 1,1-DIOXIDE |
| 摘要 |
The invention relates to a process for the preparation of 6,6-dibromopenicillanic acid 1,1-dioxide by reaction of 6-bêta-aminopenicillanic acid 1,1-dioxide with a nitrosating agent in the presence of an inorganic or strong organic acid and bromine. The invention is characterized in that the reaction is performed in the presence of an alcohol. |
| 申请公布号 |
DE3470161(D1) |
申请公布日期 |
1988.05.05 |
| 申请号 |
DE19843470161 |
申请日期 |
1984.10.18 |
| 申请人 |
GIST - BROCADES N.V. |
发明人 |
KAPUR, JAGDISH CHANDER;FASEL, HERMAN PIETER |
| 分类号 |
C07D499/87;C07D499/00;C07D499/86;C07D499/897;(IPC1-7):C07D499/00 |
主分类号 |
C07D499/87 |
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