Synthesis and ligand exchange reactions of (pentamethylcyclopentadienyl)lanthanum aryloxides
- 1 January 1990
- journal article
- research article
- Published by Wiley in Recueil des Travaux Chimiques des Pays-Bas
- Vol. 109 (3) , 226-229
- https://doi.org/10.1002/recl.19901090317
Abstract
Cp*La(OAr)2 (Cp* = η5‐C5Me5)1 is easily accessible by the reaction of La(OAr)3 with Cp*Li. Addition of THF yields the adduct Cp*La(OAr)2(THF)2. Both compounds disproportionate in solution with formation of equilibrium mixtures with comparable amounts of Cp*La(OAr)2, La(OAr)3 and Cp*2LaOAr. The equilibria were studied at various temperatures and thermodynamic parameters were determined from the temperature dependence of the equilibrium constants.Keywords
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