PHOTOCHEMICAL REACTIONS OF NAPHTHYL-VINYL NON-CONJUGATED BICHROMOPHORIC SYSTEMS

Article abstract of DOI:10.1016/S0040-4039(01)81322-8

2-(1-Naphthyl)ethyl vinyl ether undergoes intramolecular 1,2-photocycloaddition whereas the 2-naphthyl isomer yields a product reflecting dimerisation and loss of the elements of acetylene: consistent with such diverse photochemistry, the addition of 2,3-dihydropyran to naphthalene produces only the 1,2-, 1',2'-regioisomer.