Publication | Closed Access
Total Syntheses and Structures of Angular [6]- and [7]Phenylene: The First Helical Phenylenes (Heliphenes)
124
Citations
34
References
2002
Year
Materials ScienceOrganic Material ChemistryNovel OrganocatalystsEnantioselective SynthesisEngineeringHeterocyclicHydrocarbons 1Natural SciencesDouble Cobalt-catalyzed CycloisomerizationMolecular BiologyOrganic ChemistryOrganometallic CatalysisCatalysisChemistryFirst Helical PhenylenesTotal SynthesesSynthetic ChemistryAppropriate Hexaynes
Two plus two plus two times two: A double cobalt-catalyzed cycloisomerization was used to convert appropriate hexaynes into hydrocarbons 1 and 2. Their X-ray structures reveal pronounced helical topologies, but their barriers to enantiomerization are low compared to those of the helicenes.
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