Process for preparing 1-hydroxyalkyl-5-nitroimidazole
US4925950A · kind A · utility
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8Claims
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Key dates
| Filing date | Jan 13, 1989 |
| Grant date | May 15, 1990 |
| Priority date | — |
| Expiry date | Jan 13, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D233/94
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Hydroxyalkylating agents of formula: ##STR1## in which R denotes alkyl, n is 2 or 3, R.sub.1 denotes hydrogen or alkyl and R.sub.2 denotes alkyl an unsubstituted or substituted phenyl or ##STR2## are useful inter alia for the preparation of 1-(hydroxyalkyl)imidazoles. They are made by reaction of a sulphonic acid or dimethyl sulphate with a corresponding decarboxylate ester.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.