anhydrous magnesium perchlorate; oxygen; 9,10-anthracenedicarbonitrile in acetonitrile 3 h; Irradiationwith and without singlet oxygen senzitizers, in less polar solvents; addition of 1,4-diazabicyclo<2.2.2>octane; ΔG; fluorescence quenching rate const.; var. biphenyls and terphenyls; Thermodynamic dataMechanismRate constant;
