| 发明名称 |
Process for preparing novel isomeric dicarboxy, di (hydroxymethyl) diphenylmethane dilactones |
| 摘要 |
A process for preparing novel isomeric dicarboxy, di (hydroxymethyl), diphenylmethane dilactones wherein benzophenone-3, 4,3',4'-tetracarboxylic dianhydride is subjected to hydrogenation in an ether or ester carrier in the presence of a hydrogenation catalyst pretreated in an ether carrier.
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| 申请公布号 |
US4104281(A) |
申请公布日期 |
1978.08.01 |
| 申请号 |
US19760748686 |
申请日期 |
1976.12.08 |
| 申请人 |
GULF RESEARCH & DEVELOPMENT COMPANY |
发明人 |
ONOPCHENKO, ANATOLI;SCHULZ, JOHANN G.;SABOURIN, EDWARD T. |
| 分类号 |
C07D307/88;C08G69/26;(IPC1-7):C07D307/88;C07D407/10 |
主分类号 |
C07D307/88 |
| 代理机构 |
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| 主权项 |
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