Helvetica Chimica Acta · 1963 · 17 citations · 4 references
Natural SciencesChemistryOrganic ChemistryHeterocycle SynthesisHeterocyclic ChemistryHeterocyclic CompoundsOrganic SynthesisHydrochloric Acid TreatmentSix-membered Heterocycles
Abstract 6‐Vinylfulvene II has been prepared (a) by the action of hydrochloric acid on 1‐hydroxymethyl‐ spiro ‐[2,4]‐hepta‐4,6‐diene (I), (b) by condensation of cyclopentadiene with acroleine at − 15° C using sodium ethylate as base.
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