Some Novel Phosphoranides containing Pentafluorophenyl Groups

Article abstract of DOI:10.1039/DT9900002593

Several novel phosphoranides containing pentafluorophenyl groups, of formulae ^- (X= Cl, Y= Cl, Br, or I; X= Br, Y= Br or I; X= NCS, Y= Cl, Br, I or NCS) or ^- (X= Cl, Y= Cl, Br, or I; X= Br, Y= Br or I; X= CN, Y= Cl, Br, I, or NCS) have been identified in solution by means of 31P n.m.r. spectroscopy.Most of the species have been isolated as salts with tetra-alkylammonium ions, and further characterised by elemental analysis and (in some cases) i.r. spectroscopy.These ions ^-> represent the first simple phosphoranides with an organo-group attached to phosphorus and no cyano-groups present.The species with two pentafluorophenyl groups are the first phosphoranides with two organo-groups directly bound to phosphorus.No acceptor properties towards halide ions were shown by P(CCl3)Cl2 or P(C6F5)2(NCS).

Full text of DOI:10.1039/DT9900002593

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