| 发明名称 |
Process for the preparation of 1,4-dioxane-2,5-diones |
| 摘要 |
This invention relates to a process for preparing 1,4-dioxane-2,5-diones comprising reacting an alpha -hydroxy acid oligomer or an ester of an alpha -hydroxy acid oligomer over a fixed bed catalyst system.
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| 申请公布号 |
US5326887(A) |
申请公布日期 |
1994.07.05 |
| 申请号 |
US19920836228 |
申请日期 |
1992.02.14 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
DI COSIMO, ROBERT;MORAN, JOHN R.;NAKAMURA, CHARLES E. |
| 分类号 |
C07D319/12;(IPC1-7):C07D323/04 |
主分类号 |
C07D319/12 |
| 代理机构 |
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