4-Azido-2,2,6,6-tetramethylpiperidin-1-oxyl Singlet oxygen

Vidoczy, T.; Elzemzam, S.; Gal, D.
Biochem. Biophys. Res. Commun. 189, 1548-1552 (1992)

Reaction: 4-Azido-2,2,6,6-tetramethylpiperidin-1-oxyl + ¹O₂^* ® products and/or physical quenching
Solvent: CH₃CN, 96%, MeOH,4%

k = 8.3 × 10⁶(L mol^-1 s^-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly
Excitation wavelength: 582 nm

Photosensitizer = Hematoporphyrin IX.