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Synfacts 2008(9): 0982-0982  
DOI: 10.1055/s-2008-1078625
Metal-Mediated Synthesis
© Georg Thieme Verlag Stuttgart ˙ New York

Benzene Synthesis by Mn-Catalyzed Dehydrative [2+2+2] Coupling

Contributor(s): Paul Knochel, Andreas J. Wagner
H. Tsuji*, K.-i. Yamagata, T. Fujimoto, E. Nakamura*
The University of Tokyo, Japan
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Publication History

Publication Date:
22 August 2008 (online)

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Significance

This work describes a dehydrative [2+2+2] intermolecular coupling of 1,3-dicarbonyls and terminal acetylenes catalyzed by ­MnBr(CO)5 establishes a synthetically useful, modular approach to benzenes and p-terphenyls and tolerates ester, halide and boronate functions.