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Mono- and Bi-nuclear Complexes of Ruthenium(II) with the Ligand 1-(Diphenylphosphino)-2-(2-pyridyl)ethane

DOI: 10.1039/DT9930003001

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 3001 - 3008 (1993)

Update date:2022-07-29

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Authors:

Costella, LuiginaCostella, Luigina

Zotto, Alessandro DelZotto, Alessandro Del

Mezzetti, AntonioMezzetti, Antonio

Zangrando, EnnioZangrando, Ennio

Rigo, PierluigiRigo, Pierluigi

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Article abstract of DOI:10.1039/DT9930003001

The ligand 1-(diphenylphosphino)-2-(2-pyridyl)ethane (ppye) forms six-co-ordinate species (X = Cl, Br or I), the solution behaviour of which has been investigated by 31P-<1H> and 13C-<1H> NMR, UV/VIS spectroscopy, and conductivity measurements.Halide dissociation from the neutral species yields the five-co-ordinate cations (+) which can dimerize to (2+) depending on the size of the halide.The chloro derivative 2 has been characterized crystallographically.Both the five-co-ordinate cations and the dimeric species react with carbon monoxide forming cationic monocarbonyls, while the octahedral species undergo rupture of the Ru-N bond and neutral carbonyl derivatives are formed containing a dangling, P-bound ppye ligand.All these carbonyl derivatives are formed as the kinetically preferred species with a P atom trans to CO, and are converted in solution at room temperature into the thermodynamically preferred isomers in which the P and CO groups are mutually cis.

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Product name:trans,cis,cis-{RuCl2(1-(diphenylphosphino)-2-(2-pyridyl)ethane-P,N)2}

Cas No:152697-00-2

152697-00-2

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