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Reactivity of The P4 Molecule with Cobalt(I) and Rhodium(I) Polyphosphane Fragments

✍ Scribed by Massimo Di Vaira; Markus P. Ehses; Maurizio Peruzzini; Piero Stoppioni

Publisher
John Wiley and Sons
Year
2000
Tongue
English
Weight
241 KB
Volume
2000
Category
Article
ISSN
1434-1948

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✦ Synopsis

The reaction of white phosphorus with the electronically and coordinatively unsaturated systems [(PP 3 )M] + [PP 3 = tris(2diphenylphosphanylethyl)phosphane; M = Co, Rh] and [(NP 3 )Rh] + [NP 3 = tris(2-diphenylphosphanylethyl)amine] in tetrahydrofuran affords new tetraphosphorus complexes. The PP 3 metal fragments yield the trigonal bipyramidal [(PP 3 )M(η 1 -P 4 )] + complex cations [M = Co I (1), Rh I (2)] containing the intact P 4 molecule bonded end-on to the metal.

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## Abstract Rhodium complexes of formula [RhBp(CO)P] [Bp = bis(pyrazolylborate), P = P(NC~4~H~4~)~3~ 1, PPh~3~ 2, PCy~3~ 3, P(C~6~H~4~OMe‐4)~3~ 4] have been prepared by exchange of the acetylacetonate (acac^−^) ligand in [Rh(acac)(CO)P] complexes. The spectroscopic and electrochemical properties as