| 发明名称 |
Process for the preparation of stilbenedicarboxylate derivatives |
| 摘要 |
Disclosed is a process for producing dimethyl or novel diphenyl derivatives of stilbenedicarboxylic acids from dimethyl toluates or diphenyl toluates and sulfur. The reaction requires an excess of toluate to sulfur of at least about 5:1. In addition hydrogen sulfide is removed from the reaction zone.
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| 申请公布号 |
US4789755(A) |
申请公布日期 |
1988.12.06 |
| 申请号 |
US19870105416 |
申请日期 |
1987.10.07 |
| 申请人 |
EASTMAN KODAK COMPANY |
发明人 |
VAN SICKLE, DALE E.;MORRIS, JOHN C.;MCCALL, MARVIN A.;FLEISCHER, JEAN C.;WALKER, JR., TED R. |
| 分类号 |
C07C67/343;C07C67/52;C07C69/76;C07C69/773;(IPC1-7):C07C67/52;C07C67/39 |
主分类号 |
C07C67/343 |
| 代理机构 |
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代理人 |
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| 主权项 |
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