In pyridine the ionic CoI complex [Co(py)6][BPh 4] (py = pyridine) catalyses the cyclotrimerisation of but-2-yne and hex-I-yne at room temperature; under the same conditions, diphenylacetylene promotes an irreversible disproportionation of the CoI complex to give [Co(py)6][BPh4]2 and (η6- C6Ph6)Co(η2-C2Ph2), this compound having been structurally characterised and its reaction with CO investigated.
Ligand Lability in and Electron Transfers of [Co(py)6]+; Cyclotrimerization of Alkynes and Synthesis, Structure and Properties of (*6-C6Ph6)Co(*2-C2Ph2) (py = pyridine)
FUNAIOLI, TIZIANA;FACHINETTI, GIUSEPPE;
1989-01-01
Abstract
In pyridine the ionic CoI complex [Co(py)6][BPh 4] (py = pyridine) catalyses the cyclotrimerisation of but-2-yne and hex-I-yne at room temperature; under the same conditions, diphenylacetylene promotes an irreversible disproportionation of the CoI complex to give [Co(py)6][BPh4]2 and (η6- C6Ph6)Co(η2-C2Ph2), this compound having been structurally characterised and its reaction with CO investigated.File in questo prodotto:
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