Chromium (III) octaethylporphyrinato tetracarbonylcobaltate: a highly active, selective, and versatile catalyst for epoxide carbonylation

JAR Schmidt, EB Lobkovsky…

Index: Schmidt, Joseph A. R.; Lobkovsky, Emil B.; Coates, Geoffrey W. Journal of the American Chemical Society, 2005 , vol. 127, # 32 p. 11426 - 11435

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Citation Number: 81

Abstract

The development of a highly active and selective porphyrin-based epoxide carbonylation catalyst,[(OEP) Cr (THF) 2][Co (CO) 4](1; OEP= octaethylporphyrinato; THF= tetrahydrofuran), is detailed. Complex 1 is a separated ion pair composed of a tetracarbonylcobaltate anion and an octahedral chromium porphyrin complex axially ligated by two THF ligands. Regarding the carbonylation of epoxides to β-lactones, catalyst 1 ...