Phosphorus, Sulfur, and Silicon

An Efficient Synthesis of Dialkyl Phosphorocyanidates

D Sun, E Shi, J Xiao, C Pei

Index: Sun, Daoming; Shi, Enxue; Xiao, Junhua; Pei, Chengxin Phosphorus, Sulfur and Silicon and the Related Elements, 2005 , vol. 180, # 9 p. 2155 - 2161

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Abstract

Abstract Dialkyl phosphorocyanidates 2a–2g were prepared in high yield from dialkyl phosphorochloridates and hydrogen cyanide in the presence of triethylamine in ether. The white precipitates formed in the reaction of diethyl phosphorochlorodates and triethylamine were verified as triethylammonium chloride, not the similar phosphoryltriethylammonium chloride by FAB-MS, ESI-MS, 31 P-NMR, and 1 H-NMR.

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