Some anionic ruthenium(III) and rhodium(III) complexes of tertiary monophosphines and arsines
- 1 January 1970
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in J. Chem. Soc. A
- p. 889-897
- https://doi.org/10.1039/j19700000889
Abstract
Various methods of preparing ruthenium(III) anions of formula M[RuCl4(PR3)2](M = Me4N+, Ph4As+; Pr3= PPh3, PMe2Ph, PEt3, P(OPh)3), and M[RuX4(AsPh3)2](M = Me4N+, Et4N+, Ph4As+; X = Cl, Br) are described including one involving ‘oxidation’ of RuCl2(PPh3)3 or 4 by concentrated hydrochloric acid. Methods of synthesising the isomorphous complexes Ph4As[RhCl4(PR3)2](PR3= PPh3, PMe2Ph)via RhCl(PPh3)3 and trans-[RhClCO(PPh3)2] are also described. A comparison of the stability of these anions towards solvolysis and various exchange reactions is made. From n.m.r. and i.r. spectral studies, the probable structures of the complexes are shown to be trans.Keywords
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