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Chem. Commun., 2005, 5925 - 5927, DOI: 10.1039/b511714c

Samarium versus aluminium Lewis acidity in a mixed alkyl carboxylate complex related to alkylaluminium activation in diene polymerization catalysis

William J. Evans, Timothy M. Champagne and Joseph W. Ziller

[(C5Me5)2Sm(µ-O2CPh)]2 reacts with iBu3Al to form a mixed bridge samarium aluminium complex [(C5Me5)2Sm(µ-O2CPh)(µ-iBu)Al(iBu)2], that displays two different carboxylate orientations toward the metals in a single crystal.

Graphical abstract image for this article (ID: b511714c)