Reversible Fixation of Ethylene on a SmII Calix-Pyrrole Complex

Tiffany Dubé, Sandro Gambarotta, Glenn P. A. Yap

Angewandte Chemie International Edition · 1999 · 66 citations · 0 references

Concepts

Abstract

Reversible ethylene fixation in lanthanide chemistry is demonstrated by the SmII derivatives [R8-calix-pyrrole)(Et2O)Sm{Li(thf)2}{Li(μ3-OCH=CH2)}] (R=Et, {−(CH2)5−}0.5), which react with ethylene to afford the corresponding dinuclear complexes (see picture).