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Paper | Regular issue | Vol 78, No. 2, 2009, pp.457-462
Published online, 25th September, 2008
DOI: 10.3987/COM-08-11530
Synthesis of Cyclopenteno[c] Fused 2,2’-Bipyridine Based Cyclophane by Ring-Closing Metathesis (RCM)

Justyna Lawecka, Danuta Branowska, Zbigniew Karczmarzyk, and Andrzej Rykowski*

*Department of Chemistry University of Podlasie, 08-110 Siedlce, Poland


A route to cyclophane 7 incorporating mixed 2,2’-bipyridine 3, consisting of the two different heterocyclic units, i.e. uncondensed pyridine and cyclopenta[c]pyridine, using as a crucial step ring-closing metathesis is reported.