Method for producing N-phosphonomethylglycine
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United States of America Patent
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Dec 5, 2006
Grant Date -
Nov 25, 2004
app pub date -
Jun 21, 2002
filing date -
Jun 22, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a process for preparing N-phosphono-methylglycine by reacting a hexahydrotriazine compound with a triacyl phosphite in an organic solvent, hydrolyzing the resulting phosphono compound after prior extraction into an aqueous phase and separation from the organic phase. The process avoids decomposition of the organic solvent during hydrolysis.
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