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Review | Special issue | Vol 80, No. 2, 2010, pp.725-738
Published online, 28th October, 2009
DOI: 10.3987/REV-09-SR(S)6
Recent Development for Formation of Aromatic Compounds via Metallacyclopentadienes as Metal-Containing Heterocycles

Lishan Zhou, Shi Li, Ken-ichiro Kanno, and Tamotsu Takahashi*

*Catalysis Research Center and Graduate School of Pharmaceutical Science, Hokkaido University, Sapporo 001-0021, Japan

Abstract

Metallacyclopentadiene, which is recognized as a metal-containing heterocycle, is an important intermediate for the formation of aromatic derivatives. In this short review, we summarized the recent advance in selective aromatic compounds formation catalyzed or mediated by transition metal complexes via metallacyclopentadienes which are formed by intermolecular coupling of various alkynes including unsymmetrical alkynes, two different alkynes and three different alkynes. Some reaction mechanisms were also reviewed.