Abstract

Abstract The reactions of dihaloaminophosphines RNHPF2, (R=H, Me, tBu) and R2NPCl2 (R[dbnd]Me, Et, SiMe3; R2[dbnd]CH2(CH2CMe2)2 with LiOCH(CF3)2 yield the corresponding aminophosphites R2NP[OCH(CF3)2)2. Hexafluoroacetone reacts with RNH[OCH(CF3)2]2 as well as MeNHPF2 and tBuNHPF2 in good yields to the 1,3,5λ5-oxazaphosphetanes 1-4, which show rapid pseudorotation at room temperature.

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