Epoxy-epimination of cyclic conjugated dienes-VII-: Cycloaddition of nitroso-halogenobenzenes to cyclopentadiene followed by rearrangement to epoxy-epimino-and …
D Rousselle, E Francotte, J Feneau-Dupont, B Tinant…
[4+ 2] Cycloaddition of halogenated nitroso benzenes to cyclopentadiene followed by isomerisation of the intermediate adduct occurs already at room temperature to furnish the epoxy-epimine 1 and the epiminopentadienal 2. The structure proof of 1 is based on X-ray analysis.