| 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. |
