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Issue 6, 2008
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Manganese(ii): the black sheep of the organometallic family

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The organometallic chemistry of manganese in the +2 oxidation state is distinct from the organometallic chemistry of a ‘typical’ transition metal due to a significant ionic contribution to the manganese(II)–carbon bonds. The reduced influence of covalency and the 18-electron rule result in organomanganese(II) cyclopentadienyl, alkyl and aryl complexes possessing reactivity and structural diversity that is unique in organotransition metal chemistry. Recently, this unusual reactivity has resulted in a range of novel applications in selective organometallic and organic synthesis, and polymerization catalysis. This tutorial review summarizes key milestones in the development of manganese(II) organometallics and discusses how some of their current synthetic applications have evolved from many fascinating fundamental studies in the area.

Graphical abstract: Manganese(ii): the black sheep of the organometallic family

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Article information

02 Mar 2008
First published
02 Apr 2008

Chem. Soc. Rev., 2008,37, 1098-1107
Article type
Tutorial Review

Manganese(II): the black sheep of the organometallic family

R. A. Layfield, Chem. Soc. Rev., 2008, 37, 1098
DOI: 10.1039/B708850G

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