| 发明名称 |
FREMGANGSMAADE TIL FREMSTILLING AF ACETOACETAMID-N-SULFOFLUORID |
| 摘要 |
1476101 N-Fluorosulphonylacetoacetamide HOECHST AG 2 Oct 1975 [3 Oct 1974] 40314/75 Heading C2C N-Fluorosulphonylacetoacetamide is prepared by reacting sulphamoyl fluoride with diketene at 50-100‹ C., preferably in an inert solvent. It may be reacted with methanolic KOH to give 6-methyl-3,4-dihydro-1,2,3- oxathiazine-4-one-2,2-dioxide as the potassium salt. |
| 申请公布号 |
DK137640(B) |
申请公布日期 |
1978.04.10 |
| 申请号 |
DK19750004455 |
申请日期 |
1975.10.02 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
HARTMUT PIETSCH;KARL CLAUSS;HARALD JENSEN;ERWIN SCHMIDT |
| 分类号 |
C07C307/00;C07C;C07C67/00;C07C301/00;C07C303/36;C07D291/06 |
主分类号 |
C07C307/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
