Naphtho[1,8-bc:5,4-b',c']dipyran Singlet oxygen

Averbeck, D.; Polasa, K.; Buisson, J.-P.; Bensasson, R.V.; Rougee, M.; Cadet, J.; Ravanat, J.L.; Perin, F.; Vigny, P.; Demerseman, P.
Mutat. Res. 287, 165-179 (1993)

Reaction: Naphtho[1,8-bc:5,4-b',c']dipyran + ¹O₂^* ® products and/or physical quenching
Solvent: CD₃OD

k = 5.8 × 10⁷(L mol^-1 s^-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly
Excitation wavelength: 532 nm

Photosensitizer = Hematoporphyrin IX.