Cyanide Ion Promoted Addition of Acylphosphonates to Diethyl Cyanophosphonate: Synthesis of Phosphonocyanohydrin O-Phosphates.

Cyanide ion catalyzed addition of acylphosphonates to diethyl cyanophosphonate furnished phosphonocyanohydrin O-phosphates in high yield. The reaction works via the phosphonate-phosphate rearrangement, followed by the addition of diethyl ?cyanophosphonate to the cyanohydrin phosphate anion. [ABSTRACT FROM AUTHOR]