5,10,15,20-Tetraphenylporphinatomagnesium(II) Singlet oxygen

Tanielian, C.; Wolff, C.
Photochem. Photobiol. 48, 277-280 (1988)

Reaction: MgTPP + ¹O₂^* ® products and/or physical quenching
Reference Reaction: 2-Methyl-2-pentene + ¹O₂^* ®
Solvent: C₆H₆

k = 5.0 × 10⁸(L mol^-1 s^-1), k_reference = 8 × 10⁵(L mol^-1 s^-1)

Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Relative value measured by steady state method

Self-sensitized;

Krasnovsky, A.A.,Jr.; Venediktov, E.A.; Cherenko, O.M.
Biophysics (Engl. Transl.) 27, 1009-1016 (1982)

Reaction: MgTPP + ¹O₂^* ® products
Solvent: CCl₄

k_react = 6 × 10⁶(L mol^-1 s^-1)

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

Photosensitizer = TPP, TPBC or MP; Actinometer = Tetracene.

Matsuura, T.; Inoue, K.; Ranade, A.C.; Saito, I.
Photochem. Photobiol. 31, 23-26 (1980)

Reaction: MgTPP + ¹O₂^* ® products and/or physical quenching
Solvent: C₆H₆

k = 1.2 × 10⁹(L mol^-1 s^-1)

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

Self-sensitized; Indicator = a-Tocopherol, k for indicator = 1.7 × 10⁸ L mol^-1 s^-1.

Matsuura, T.; Inoue, K.; Ranade, A.C.; Saito, I.
Photochem. Photobiol. 31, 23-26 (1980)

Reaction: MgTPP + ¹O₂^* ® products and/or physical quenching
Solvent: CH₂Cl₂

k = 1 × 10⁸(L mol^-1 s^-1)

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

Self-sensitized. used solvent k_d = 9.5 × 10³ s^-1.

Matsuura, T.; Inoue, K.; Ranade, A.C.; Saito, I.
Photochem. Photobiol. 31, 23-26 (1980)

Reaction: MgTPP + ¹O₂^* ® products and/or physical quenching
Solvent: CH₂Cl₂

k = 2.3 × 10⁹(L mol^-1 s^-1)

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

Self-sensitized; Indicator = b-Carotene, k for indicator = 8.5 × 10⁹ L mol^-1 s^-1. Use b-Carotene as quencher.

Matsuura, T.; Inoue, K.; Ranade, A.C.; Saito, I.
Photochem. Photobiol. 31, 23-26 (1980)

Reaction: MgTPP + ¹O₂^* ® products
Reference Reaction: (CH₃)₂C=C(CH₃)₂ + ¹O₂^* ®
Solvent: CH₂Cl₂

k_react = 4 × 10⁷(L mol^-1 s^-1), k_reference = 4.8 × 10⁷(L mol^-1 s^-1)

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

Self-sensitized.

Venediktov, E.A.; Krasnovsky, A.A.,Jr.
Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol. 22, 395-398 (1979)

Reaction: MgTPP + ¹O₂^* ® products and/or physical quenching
Solvent: CCl₄

k = 8 × 10⁸(L mol^-1 s^-1)

Experimental method: Modulated photolysis
Analytical method: infrared luminescence
Data type: Derived from steady state measurements

Photosensitizer = 5,10,15,20-Tetraphenylporphine. used solvent k_d = 36 s^-1.