Chemical Communications

Calixarenes as ligands for transition-metal catalysts: a bis (calix [4] arene-11, 23-dicarboxylato) dirhodium complex

J Seitz, G Maas

Index: Seitz, Juergen; Maas, Gerhard Chemical Communications, 2002 , # 4 p. 338 - 339

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Abstract

A novel dirhodium tetracarboxylate complex is described in which two calix [4] arene macrocycles, bridged at the upper rim by a Rh–Rh unit, serve as ligands and whose solid- state structure shows an unusual coordination of a toluene molecule in the axial position at each rhodium atom.