The reactions of [Pt2(μ-OH)2(POPh 2)2(PR3)2] with (i) HBF4 or HPF6 to give the tiplatinum complexes [Pt3(μ 3-OH)(μ-OPPh2)3(PR3) 3]2+ (2) and (ii) alcohols to give the diplatinum complexes [Pt2(μ-OPPh2)2(PR 3)2] (4) are described; the X-ray crystal structures of (2a) and (4a) show the OPPh2 ligand is capable of spanning Pt ⋯ Pt distances of 2.55 to 3.71 Å.
The flexibility of bridging phosphinoyl ligands: New classes of triplatinum(II) and diplatinum(I) complexes
BERGAMINI, Paola;SOSTERO, Silvana;TRAVERSO, Orazio
1990
Abstract
The reactions of [Pt2(μ-OH)2(POPh 2)2(PR3)2] with (i) HBF4 or HPF6 to give the tiplatinum complexes [Pt3(μ 3-OH)(μ-OPPh2)3(PR3) 3]2+ (2) and (ii) alcohols to give the diplatinum complexes [Pt2(μ-OPPh2)2(PR 3)2] (4) are described; the X-ray crystal structures of (2a) and (4a) show the OPPh2 ligand is capable of spanning Pt ⋯ Pt distances of 2.55 to 3.71 Å.File in questo prodotto:
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