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Calixarenes as ligands for transition-metal catalysts: a bis(calixarene-11,23-dicarboxylato) dirhodium complex
- Seitz, Jürgen, Maas, Gerhard
- Chemical communications 2002 no.4 pp. 338-339
- catalysts, chemical reactions, ligands, rhodium, toluene
- A novel dirhodium tetracarboxylate complex is described in which two calixarene 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.