A Convenient Preparation of Pyrophosphoryl Chloride and Its Use in Vilsmeier Formylation Reactions

Gi K. Cheung, Ian M. Downie, Martyn J. Earle, Harry Heaney, M. F. S. Matough, Khamis F. Shuhaibar, Deborah A. Thomas

Synlett · 1992 · 20 citations · 0 references

Concepts

Abstract

Methyl phosphorodichloridate (methyl dichlorophosphate) is slowly converted into pyrophosphoryl chloride in good yield in the presence of an excess of phosphoryl chloride: the anhydride forms excellent formylating reagents in combination with N,N-disubstituted formamides.