Process for preparing 1,1-dimethyl hydrazine
US4046812A · kind A · utility
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1References
3Claims
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Key dates
| Filing date | Sep 29, 1975 |
| Grant date | Sep 6, 1977 |
| Priority date | — |
| Expiry date | Sep 29, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C241/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Unsymmetrical dimethyl hydrazine is prepared by a process wherein aqueous 1,1-dimethylurea is initially reacted with a hypochlorite salt whereupon the resultant intermediate essentially in form of a N-chloro derivative of said urea is rearranged in accordance with the Hofmann reaction to yield the desired substituted hydrazine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.