Diazodiphenylmethane Singlet oxygen

Casal, H.L.; Sugamori, S.E.; Scaiano, J.C.
J. Am. Chem. Soc. 106, 7623-7624 (1984)

Reaction: Diazodiphenylmethane + ¹O₂^* ® Benzophenone oxide
Solvent: CH₃CN

k ~ 6 × 10⁸(L mol^-1 s^-1), T = 300K

Experimental method: Flash photolysis
Analytical method: vis-UV absorption
Data type: Absolute value measured directly
Excitation wavelength: 587 nm

Photosensitizer = Methylene Blue.

Bethell, D.; McKeivor, R.
J. Chem. Soc., Perkin Trans. 2, 327-333 (1977)

Reaction: Diazodiphenylmethane + ¹O₂^* ® Benzophenone oxide
Solvent: CH₃CN

k = 1.1 × 10⁹(L mol^-1 s^-1)

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

Photosensitizer = Methylene Blue. used solvent k_d = 3.3 × 10⁴ s^-1.

Bethell, D.; McKeivor, R.
J. Chem. Soc., Perkin Trans. 2, 327-333 (1977)

Reaction: Diazodiphenylmethane + ¹O₂^* ® Benzophenone oxide
Reference Reaction: 9,10-Dimethylanthracene + ¹O₂^* ®
Solvent: CH₃CN

k_react = 1.4 × 10⁹(L mol^-1 s^-1), k_reference = 1.7 × 10⁸(L mol^-1 s^-1)

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

Photosensitizer = Methylene Blue.

Bethell, D.; McKeivor, R.
J. Chem. Soc., Perkin Trans. 2, 327-333 (1977)

Reaction: Diazodiphenylmethane + ¹O₂^* ® Benzophenone oxide
Reference Reaction: 9,10-Dimethylanthracene + ¹O₂^* ®
Solvent: CH₃CN

k_react = 2.4 × 10⁹(L mol^-1 s^-1), k_reference = 1.7 × 10⁸(L mol^-1 s^-1)

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

¹O₂* from (PhO)₃PO₃.

Bethell, D.; McKeivor, R.
J. Chem. Soc., Perkin Trans. 2, 327-333 (1977)

Reaction: Diazodiphenylmethane + ¹O₂^* ® Benzophenone oxide
Reference Reaction: 9,10-Dimethylanthracene + ¹O₂^* ®
Solvent: CHCl₃

k_react = 1.1 × 10⁹(L mol^-1 s^-1), k_reference = 9.3 × 10⁷(L mol^-1 s^-1)

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

¹O₂* from (PhO)₃PO₃.

Bethell, D.; McKeivor, R.
J. Chem. Soc., Perkin Trans. 2, 327-333 (1977)

Reaction: Diazodiphenylmethane + ¹O₂^* ® Benzophenone oxide
Solvent: CHCl₃

k = 8.3 × 10⁸(L mol^-1 s^-1)

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

Photosensitizer = Methylene Blue. used solvent k_d = 1.7 × 10⁴ s^-1.

Bethell, D.; McKeivor, R.
J. Chem. Soc., Perkin Trans. 2, 327-333 (1977)

Reaction: Diazodiphenylmethane + ¹O₂^* ® Benzophenone oxide
Solvent: MeOH

k = 6.7 × 10⁸(L mol^-1 s^-1)

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

Photosensitizer = Methylene Blue. used solvent k_d = 1.4 × 10⁴ s^-1.