| 发明名称 |
PROCESS FOR PREPARING 2(1H)-QUINAZOLINONE DERIVATIVES |
| 摘要 |
<p>A NOVEL PROCESS FOR PREPARING 2(1H)-QUINAZOLINONE DERIVATIVES 2(1H)-Quinazolinone derivatives such as 1cyclopropylmethyl-4-phenyl-6-chloro-2(1H)-quinazolinone are prepared in high yield with high purity by reacting the corresponding 3,4-dihydro-2(1H)-quinazolinone derivative with chlorine or bromine in the presence or absence of an alkali in an inert solvent.</p> |
| 申请公布号 |
CA1046063(A) |
申请公布日期 |
1979.01.09 |
| 申请号 |
CA19750231296 |
申请日期 |
1975.07.11 |
| 申请人 |
SUMITOMO CHEMICAL COMPANY, LIMITED |
发明人 |
YAMAMOTO, MICHIHIRO;MOROOKA, SHIGEAKI;KOSHIBA, MASAO;INABA, SHIGEHO;YAMAMOTO, HISAO |
| 分类号 |
C07D239/82;C07D401/04;C07D409/04;C07D491/04;C07D491/056;(IPC1-7):07D239/82 |
主分类号 |
C07D239/82 |
| 代理机构 |
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