| 发明名称 |
MANUFACTURE OF DIHYDROXYBENZOPHENONE |
| 摘要 |
<p>2,4-Dihydroxybenzophenone is prepared substantially quantitatively and in a highly purified form by reacting resorcinol with a benzotrihalide in the presence of an aqueous solution of N-methylpyrrolidone and subsequently subjecting the crude reaction product mixture to vacuum distillation.</p> |
| 申请公布号 |
JPS60202839(A) |
申请公布日期 |
1985.10.14 |
| 申请号 |
JP19850036683 |
申请日期 |
1985.02.27 |
| 申请人 |
GENERAL ANILINE & FILM CORP |
发明人 |
KUU CHIYAN RIU |
| 分类号 |
C07C49/83;C07B61/00;C07C45/00;C07C45/43;C07C45/82;C07C67/00 |
主分类号 |
C07C49/83 |
| 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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