2,4,6-triphenylpyrylium-tetrafluoroborate in acetonitrile T=-5°C; 0.166667 h; Irradiationother bicyclopentanes; other photosensitizer and solvent; var. time of irradiation; Product distributionMechanism;

T=230°C; P=100 Torr; other alkyl-substituted bicyclic azoalkanes, var. temp. and pressure, also irrad. in solvents; Product distributionMechanism;

2,4,6-triphenylpyrylium-tetrafluoroborate in acetonitrile T=-5°C; 0.166667 h; Irradiationother bicyclopentanes; other photosensitizer and solvent; var. time of irradiation; Product distributionMechanism;