Design, synthesis and structural analysi
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Christian Kaes; Mir Wais Hosseini; André De Cian; Jean Fischer
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Article
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1997
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Elsevier Science
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French
⚖ 282 KB
The synthesis of new unsymmetrical and symmetrical macrocycles based on 2,2'-bipyridine units bearing two or four phenyl groups at the 6 and 6' positions was achieved by an oxidative coupling reaction using 1,2-dibromoethane and organolithium derivatives of bipyridine. Among all new compounds prepar