SINGLET-PHOTOSENSITIZED RING-SPLITTING AND ISOMERIZATION REACTIONS OF 1,2-DIPHENYLCYCLOBUTANE BY AROMATIC NITRILES. A POSSIBLE PROBE FOR RELATIONSHIPS BETWEEN REACTIVITIES AND ELECTRONIC NATURE OF EXCIPLEX INTERMEDIATES

Article abstract of DOI:10.1246/cl.1984.1847

The photosensitized reactions of cis-1,2-diphenylcyclobutane by 1,4-dicyanonaphthalene and 9,10-dicyanoanthracene gave styrene, the trans isomer, and 1-phenyltetralin whereas the photosensitization by 1-cyanonaphthalene effected the ring-splitting and cis