An Efficient Synthesis of Tertiaryaminomethylphosphonates, A Versatile Precursor for Synthesis of Gl

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Reaction of simple dialkyl phosphites with symmetrical 1,3,5-trisubstituted hexahydro- triazines (HHTs) in the presence of benzyl chloride, afforded tertiaryaminomethylphosphonates in excellent yields. Glyphosate, α-aminomethylphosphonates and their derivatives can therefore be synthesized by this procedure conveniently.
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