2,4-Dihydro-4-[4-[(2-methylsulfamylethyl)ethylamino]-2-methylphenyl]imino-5-methyl-2-phenylpyrazol-3-one Singlet oxygen

Grossmann, N.; Winnig, B.; Weise, A.; Fanghaenel, E.
J. Prakt. Chem. 329, 767-774 (1987)

Reaction: 2,4-Dihydro-4-[4-[(2-methylsulfamylethyl)ethylamino]-2-methylphenyl]imino-5-methyl-2-phenylpyrazol-3-one + ¹O₂^* ® products
Reference Reaction: 9,10-Diphenylanthracene + ¹O₂^* ®
Solvent: CH₃OH

k_react = 3 × 10⁷(L mol^-1 s^-1), k_reference = 1.8 × 10⁷(L mol^-1 s^-1), T = 298K

Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Relative value measured by steady state method

Photosensitizer = Methylene Blue.

Grossmann, N.; Winnig, B.; Weise, A.; Fanghaenel, E.
J. Prakt. Chem. 329, 767-774 (1987)

Reaction: 2,4-Dihydro-4-[4-[(2-methylsulfamylethyl)ethylamino]-2-methylphenyl]imino-5-methyl-2-phenylpyrazol-3-one + ¹O₂^* ® physical quenching
Reference Reaction: 9,10-Diphenylanthracene + ¹O₂^* ®
Solvent: CH₃OH

k_quen = 5 × 10⁶(mol L^-1), T = 298K

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

Photosensitizer = Methylene Blue; Indicator = 9,10-Diphenylanthracene used solvent k_d = 1.5 × 10⁵ s^-1.