Phosphorus–flurine chemistry. Part XXIV. Preparation and nuclear magnetic resonance investigation of the fluorophosphate anions, [RPF5]–and [R1R2PF4]–, and of the dialkyl(or diaryl)dialkylaminodifluorophosphoranes, R1R2PF2NR32
- 1 January 1970
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 2364-2367
- https://doi.org/10.1039/j19700002364
Abstract
Caesium fluoride reacts with tetrafluorophosphoranes, RPF4(R = Me, Ph, or Me2N), and trifluorophosphoranes, R1R2PF3(R1= Me, R2= Ph, and R1= R2= Ph, but not R1= R2= Me), to give the anionic species Cs+[RPF5]–and Cs+[R1R2PF4]– respectively. In the aminolysis of trifluorophosphoranes, R1R2PF3, the novel difluorophos-phoranes, R1R2PF2NR3 2. were obtained. The characterisation of the fluorophosphate anions and difluorophosphoranes by n.m.r. spectroscopy is described.Keywords
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