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Synfacts 2008(8): 0820-0820  
DOI: 10.1055/s-2008-1078585
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag Stuttgart ˙ New York

Bipyridine-Containing Macrocycles

Contributor(s): Timothy M. Swager, Jan M. Schnorr
D. M. Opris, A. Ossenbach, D. Lentz, A. D. Schlüter*
Freie Universität Berlin, Germany and ETH Zürich, Switzerland
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Publikationsdatum:
23. Juli 2008 (online)

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Significance

The authors report the synthesis of a set of bipyridine-containing macrocycles [7] n starting from 5,5¢-dibromo-2,2′-bipyridine 1 and the silylated benzene derivative 2. Their route involves Suzuki-Miyaura cross-coupling and subsequent transformation of the bistrimethylsilyl compound 3 to its acetylene analogue 6. The products of the oxidative coupling were separated via gel-permeation chromatography.