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The addition of protons and metallic electrophiles to the electron-rich RuRu bond of [Ru2(μ,-dan)(CO)4(PiPr3)2]. X-ray structure of [Ru2(μ-AgPPh3)(μ-dan)(CO)4(PiPr3)2][BF4]·CH2Cl2(dan=1,8-diamidonaphthalene)

Authors
Journal
Inorganica Chimica Acta
0020-1693
Publisher
Elsevier
Publication Date
Volume
185
Issue
2
Identifiers
DOI: 10.1016/s0020-1693(00)85443-2

Abstract

Abstract The ruthenium(I) complex [Ru 2(μ-dan)(CO) 4(P iPr 3) 2] ( 1) (dan= 1,8-diamidonaphthalene) reacts with HBF 4·OEt 2, [AuCI(PPh 3)]/TIPF 6 and AgBF 4/PPh 3 to give the cationic complexes [Ru 2(μ-M)(μ- dan)(CO) 4(P iPr 3) 2] + (M=H (2), AuPPh 3 (3), AgPPh 3 ( 4)), while the reactions with [AuCl(tht)] (tht = tetrahydrothiophene) and AgO 2CCF 3 give the neutral derivatives [Ru 2(μ-M)(μ-dan)(CO) 4(p ipr 3) 2] (M=AuCI (5), AgO 2CCF 3 ( 6)). Complex 1 also reacts with SnCl 2 to give [Ru 2(μ-SnCle 2)(μ- dan)(CO) 4(P iPr 3) 2] (7), hut in solution it dissociates SnCI 2 unless a large excess of the latter is present. In all cases, the added electrophiles symmetrically bridge the RuRu bond of complex 1, as indicated by IR and NMR spectroscopies. The structure of complex 4 has been confirmed by X-ray diffraction methods.

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