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Boron Functionalization of Bis(pyrazolyl)borate Ligands: Molecular Structures of [RuX(PPh 3 ) 2 {(MeO) 2 B(pz) 2 }] (X = H, Cl; pz = pyrazol-1-yl)

Abernethy, Robyn; Hill, Anthony; Smith, Matthew; Willis, Anthony


The reaction of [RuCl2(PPh3)3] with K[H2B(pz)2] (pz = pyrazol-1-yl) in tetrahydrofuran at room temperature provides the known hydro/ns(pyrazolyl)borate complex [RuH(PPh 3)2{HB(pz)3}] (1b) via pyrazole scrambling. In contrast, the reaction of [RuCl2(PPh3)3] with K[H2B(pz)2] in methanol does not, as previously reported, provide [Ru(PPh3)2{H2B(pz)2} 2] but, rather, a mixture of the complexes [RuX(PPh3) 2{κ3O,N,N′-(MeO)2B(pz) 2}] (X = H (2a), Cl (2b)) and ttt-[RuCl2(HpZ) 2-(PPh3)2] (3), each of...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Organometallics
DOI: 10.1021/om9006592


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