Journal of the Chemical Society Perkin Transactions 1 · 1992 · 36 citations · 10 references
Natural SciencesChemistryMedicinal ChemistryOrganic ChemistrySynthetic Medicinal ChemistryAddition ReactionsHeterocycle SynthesisHeterocyclic ChemistryHeterocyclic CompoundsMacrocycle SynthesisOrganic Synthesis[4+2] CycloadditionMedicinal HeterocyclesRing-forming Reactions
5-Fluorocyclopentadiene 2 has been prepared by the reaction of cyclopentadienylthallium and the F+ source, 1-chloromethyl-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate). In their reactions with compound 2, dieneophiles form adducts having exclusively syn orientation.
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