Process for preparing acetylsulfaguanidine
US4210593A · kind A · utility
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2References
4Claims
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Key dates
| Filing date | May 4, 1978 |
| Grant date | Jul 1, 1980 |
| Priority date | — |
| Expiry date | May 4, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C311/64
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method suitable for the continuous preparation of acetylsulfaguanidine is described which comprises exposing a thin layer of a concentrated aqueous solution of ammonium acetylsulfanilylcyanamide to microwave radiation until essentially anhydrous ammonium acetylsulfanilylcyanamide is obtained in the form of a glassy, non-crystalline sheet, and converting the dry ammonium acetylsulfanilylcyanamide to acetylsulfaguanidine by heating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.