Method for preparing cyanophosphonate derivatives from pyrophosphate or polyphosphate esters and cyanide
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United States of America Patent
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Jan 12, 1999
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N/A
app pub date -
Dec 23, 1997
filing date -
Dec 30, 1996
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Expired
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Abstract
A process for preparing cyanophosphonate derivatives involves contacting a pyrophosphate ester or a polyphosphate ester and cyanide in a reaction mixture under conditions sufficient to produce the cyanophosphonate derivative. The cyanophosphonate derivative product can subsequently be hydrogenated to produce an aminomethylphosphonate derivative.
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