Process for manufacturing alkylphosphonate monoesters
US7208452B2 · kind B2 · utility
0Cited by
8References
3Claims
0Family size
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Key dates
| Filing date | May 16, 2003 |
| Grant date | Apr 24, 2007 |
| Priority date | — |
| Expiry date | Jun 2, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2030/34
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention discloses a process for manufacturing an alkylphosphonate monoester. The process may comprise partially hydrolyzing an alkyl phosphonate diester with an alkaline compound in a first solvent to provide a reaction mixture, wherein the first solvent comprises a mixture of an alcohol and water. The reaction mixture may be diluted with a second solvent to provide an organic phase, wherein the second solvent comprises at least one non-polar organic solvent. The process may comprise acidifying the reaction mixture with an acid, wherein the organic phase includes an alkylphosphonate monoester.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.