Hydrazine derivatives and process therefor
Abstract
Abstract (A) 1,2-DISUBSTITUTED HYDRAZINES ARE MADE BY REACTING A DEFINED N-MONOHALOSUBSTITUTED UREA WITH AN ALKALINE MATERIAL IN AN ORGANIC SOLVENT IN THE PRESENCE OF A COMPOUND AFFORDING AN ACTIVE HYDROGEN. METHYL ETHYL HYDRAZODIFORMATE WAS MADE BY REACTING N-CHLORO-N-METHOXYCARBONYLUREA WITH ETHANOL IN THE PRESENCE OF SODIUM ETHOXIDE. (B) MONOSUBSTITUTED HYDRAZINES ARE MADE BY REACTING A SUSPENSION IN LIQUID WATER OF N-MONOHALOSUBSTITUTED UREA, WITH AN ALKALINE MATERIAL WHICH IS CONTINUOUSLY PRESENT. N-CHLORO-N''T-T-BUTYLUREA WAS ADDED TO AQUEOUS NAOH AT 5*C., T-BUTYLHYDRAZINE HYDROCHLORIDE WAS RECOVERED. (C) CERTAIN DI-R-HYDRAZODIFORMATES WHERE R IS ALKYL, ARALKYL, CYCLOALKYL, ARYL, ALKALI METAL OR ALKALINE EARTH METAL SUCH AS METHYL ETHYL HYRDAZODIFORMATE AND SODIUM ETHYL HYDRAZODIFORMATE.
Inventors
- 👤 Chester Stephen Sheppard
- 👤 Leonard Earnest Korczykowski
Bibliographic Details
Claims Analysis
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