Invention Grant
US09035083B2 Synthesis of H-phosphonate intermediates and their use in preparing the herbicide glyphosate
有权
N-膦酸酯中间体的合成及其在制备除草剂草甘膦中的应用
- Patent Title: Synthesis of H-phosphonate intermediates and their use in preparing the herbicide glyphosate
- Patent Title (中): N-膦酸酯中间体的合成及其在制备除草剂草甘膦中的应用
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Application No.: US14221931Application Date: 2014-03-21
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Publication No.: US09035083B2Publication Date: 2015-05-19
- Inventor: Jean-Luc Montchamp , Henry C. Fisher
- Applicant: Texas Christian University
- Applicant Address: US TX Fort Worth
- Assignee: Texas Christian University
- Current Assignee: Texas Christian University
- Current Assignee Address: US TX Fort Worth
- Agent Charles D. Gunter, Jr.
- Main IPC: C07F9/40
- IPC: C07F9/40 ; C07F9/38
Abstract:
The esterfication of hypophosphorous acid is followed by reaction with another molecule of alcohol under the action of a nickel catalyst to provide a green method for the preparation of H-phosphonate diesters. This method avoids the need for any stoichiometric chlorine unlike those based on phosphorous trichloride.
Public/Granted literature
- US20140303394A1 Synthesis of H-Phosphonate Intermediates and Their Use in Preparing the Herbicide Glyphosate Public/Granted day:2014-10-09
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