| 发明名称 |
Process for the preparation of 4(3H)-quinazolinones. |
| 摘要 |
<p>A new process for the preparation of 3-(1H-tetrazol-5-yl)-4(3H)-quinazolinones from anthranilic acid derivatives is described herein. Additional reactants used in the process are 4-aminotetrazole and a trialkoxymethane or the reaction can be carried out using the imidic ester obtained from these two compounds.</p> |
| 申请公布号 |
EP0161661(A2) |
申请公布日期 |
1985.11.21 |
| 申请号 |
EP19850105877 |
申请日期 |
1985.05.13 |
| 申请人 |
MERRELL DOW PHARMACEUTICALS INC. |
发明人 |
VINOGRADOFF, ANNA P. |
| 分类号 |
C07D401/00;C07D257/04;C07D257/06;C07D403/04 |
主分类号 |
C07D401/00 |
| 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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