4,4'-Di-tert-octyldiphenylamine Singlet oxygen

Ivanov, V.B.; Shlyapintokh, V.Ya.; Khvostach, O.M.; Shapiro, A.B.; Rozantsev, E.G.
J. Photochem. 4, 313-319 (1975)

Reaction: 4,4'-Di-tert-octyldiphenylamine + ¹O₂^* ® products
Reference Reaction: Naphthalene + ¹O₂^* ®
Solvent: C₆H₆, 89%, EtOH, 11%

k_react = 2.6 × 10⁴(L mol^-1 s^-1), k_reference = 7 × 10⁷(L mol^-1 s^-1), T = 295K

Experimental method: Photolysis
Analytical method: electron spin resonance
Data type: Relative value measured by steady state method

Photosensitizer = Rose Bengal dianion; product = nitroxide radicals.

Ivanov, V.B.; Shlyapintokh, V.Ya.; Khvostach, O.M.; Shapiro, A.B.; Rozantsev, E.G.
J. Photochem. 4, 313-319 (1975)

Reaction: 4,4'-Di-tert-octyldiphenylamine + ¹O₂^* ® products and/or physical quenching
Solvent: C₆H₆, 89%, EtOH, 11%

k = 7.3 × 10⁶(L mol^-1 s^-1), T = 295K

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

Photosensitizer = Rose Bengal dianion; Indicator = Naphthalene, k for indicator = 7 × 10⁷ L/(mol·s); used solvent k_d = 3 × 10⁴ s^-1; rel. to k for Ni(II) dibutyldithiocarbamate = 1.6 × 10⁹ L mol^-1 s^-1.