Process for manufacturing alkylphosphonate monoesters
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United States of America Patent
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Apr 24, 2007
Grant Date -
Nov 18, 2004
app pub date -
May 16, 2003
filing date -
May 16, 2003
priority date (Note) -
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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.
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