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A Practical Synthesis of the First P-Phosphinoylmethyl-λ 5-phosphazenes
31 December 2000 (online)
The new N-aryl-P,P-diphenyl-P-(diphenylphosphinoyl)methyl-λ 5-phosphazenes 2 have been prepared by three different approaches starting from the commercially available bis(diphenylphosphino)methane. Either oxidation of the mono-λ 5-phosphazenes 3 or imination of the monoxide 4 yielded compounds 2 in moderate yields. The third method involved deprotonation of the easily accessible aminophosphonium salts 5.
azides - oxidations - phosphazenes - phosphorus - ylides