Abstract
New complexes of lanthanide(III) triflates with polyethylene glycol (HO(CH2CH2O)nH; n=2, 3, 4) and polyethyleneglycol dimethylether (CH3O(CH2CH2O)nCH3; n=2, 3, 4) ligands have been prepared and characterised by X-ray diffraction. These complexes are effective Lewis acid catalysts for the allylation of aldehydes with allyltributyltin, and for the Diels–Alder reaction. Complexes with new homochiral podand ligands have been synthesised and in one case characterised by X-ray diffraction, and their catalytic activity is under investigation.
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