Method for the preparation of N-ethylhydroxylamine hydrochloride
US5166436A · kind A · utility
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5Claims
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Key dates
| Filing date | Sep 23, 1991 |
| Grant date | Nov 24, 1992 |
| Priority date | — |
| Expiry date | Sep 23, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C239/10
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for preparing N-ethylhydroxylamine hydrochloride which comprises reacting hydroxylamine hydrochloride with di-t-butyl dicarbonate in the presence of a base selected from sodium carbonate, potassium carbonate, sodium bicarbonate, potassium bicarbonate, sodium or potassium hydroxide or triethylamine, in a non-reactive solvent, alkylating said reaction product with an alkyl halide and then cleaving with a strong acid the tert-butyloxycarbonyl (BOC) portion of the alkylated product.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.