4-Methylimidazole Singlet oxygen

Michaeli, A.; Feitelson, J.
Photochem. Photobiol. 59, 284-289 (1994)

Reaction: 4-Methylimidazole + ¹O₂^* ® products and/or physical quenching
Solvent: D₂O, 75%, EtOH, 25%

k = 1.3 × 10⁸(L mol^-1 s^-1), T = 295K

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

Photosensitizer = Rose Bengal dianion.

Michaeli, A.; Feitelson, J.
Photochem. Photobiol. 59, 284-289 (1994)

Reaction: 4-Methylimidazole + ¹O₂^* ® products
Solvent: D₂O, 75%, EtOH, 25%

k_react = 1.1 × 10⁸(L mol^-1 s^-1), T = 295K

Experimental method: Photolysis
Analytical method: vis-UV emission
Data type: Derived from steady state measurements

Photosensitizer = Rose Bengal dianion; used solvent k_d = 4.8 × 10⁴ s^-1; Actinometer = 9,10-Dimethylanthracene.