2,6-Dimethylpiperidine Singlet oxygen

Ballardini, R.; Beggiato, G.; Bortolus, P.; Faucitano, A.; Buttafava, A.; Gratani, F.
Polym. Degrad. Stab. 7, 41-53 (1984)

Reaction: 2,6-Dimethylpiperidine + ¹O₂^* ® products and/or physical quenching
Solvent: Benzene, 80%, Methanol, 20%

k = 1.2 × 10⁶(L mol^-1 s^-1)

Experimental method: Flash photolysis
Analytical method: vis-UV absorption
Data type: Absolute value measured directly using indicator
Excitation wavelength: 694 nm

Photosensitizer = Methylene Blue; Indicator = 1,3-Diphenylisobenzofuran.

Monroe, B.M.
J. Phys. Chem. 81, 1861-1864 (1977)

Reaction: 2,6-Dimethylpiperidine + ¹O₂^* ® products and/or physical quenching
Solvent: CHCl₃

k = 3.0 × 10⁶(L mol^-1 s^-1)

Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements using indicator

Photosensitizer = Indicator = Rubrene; used solvent k_d = 1.7 × 10⁴ s^-1; k for indicator = 5.3 × 10⁷ L/(mol·s).