1,2,3,4-Tetrahydro-5,8-dimethoxy-1,4-methanonaphthalene Singlet oxygen

Paquette, L.A.; Kretschmer, G.
J. Am. Chem. Soc. 101, 4655-4663 (1979)

Reaction: 1,2,3,4-Tetrahydro-5,8-dimethoxy-1,4-methanonaphthalene + ¹O₂^* ® products and/or physical quenching
Solvent: CH₂Cl₂

k = 1.3 × 10⁷(L mol^-1 s^-1)

Experimental method: Pulse radiolysis
Analytical method: vis-UV absorption
Data type: Absolute value measured directly using indicator

Photosensitizer = Anthracene; Indicator = 1,3-Diphenylisobenzofuran. [Sensitizer] = 4.0 × 10^-4 (mol L^-1). [Indicator] = 3.8 × 10^-5 (mol L^-1).

Kretschmer, G.; Paquette, L.A.
Heterocycles 11, 359-362 (1978)

Reaction: 1,2,3,4-Tetrahydro-5,8-dimethoxy-1,4-methanonaphthalene + ¹O₂^* ® products and/or physical quenching
Reference Reaction: c-C₆H₁₀ + ¹O₂^* ®
Solvent: C₆H₆, 75%, MeOH, 25%

k = 6 × 10⁶(L mol^-1 s^-1), b_ref = 3.1(mol L^-1), T = 298K

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

Photosensitizer = Rose Bengal dianion. used solvent k_d = 6.25 × 10⁴ s^-1.