Process for the mononitration of alkanediols
US7335789B2 · kind B2 · utility
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14Claims
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Key dates
| Filing date | Nov 6, 2003 |
| Grant date | Feb 26, 2008 |
| Priority date | — |
| Expiry date | Jan 4, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C201/02
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the preparation of compounds of formula (I):HO-A-ONO2 (I)wherein A is a C2-C6 alkylene chain, the compounds of formula (I) being synthesized by nitration of the corresponding alkanediols with “stabilized” nitric acid is herein disclosed. The process is safer to operators and allows to obtain advantageous yields on an industrial scale.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.