1,4-Diaminoanthraquinone Singlet oxygen

Rtishchev, N.I.; Studzinskii, O.P.; Ponomareva, R.P.
J. Org. Chem. USSR 24, 1150-1154 (1988)

Reaction: 1,4-Diaminoanthraquinone + ¹O₂^* ® products and/or physical quenching
Reference Reaction: 1,2-Diaminoanthraquinone + ¹O₂^* ®
Solvent: 2-PrOH, 83%, H₂O, 17%

k/k_reference = 4 × 10^-2
T = 295K

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

meas. k/k_ref = 0.04; ¹O₂* from NaOCl/H₂O₂.

Venediktov, E.A.; Perfilev, V.A.; Berezin, B.D.
Opt. Spectrosc. (USSR) 63, 400-401 (1987)

Reaction: 1,4-Diaminoanthraquinone + ¹O₂^* ® products and/or physical quenching
Solvent: Pyridine

k = 1.4 × 10⁹(L mol^-1 s^-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly
Excitation wavelength: 337 nm

Photosensitizer = Anthracene. [Sensitizer] = 1.0 × 10^-4 (mol L^-1).

Venediktov, E.A.; Perfilev, V.A.; Berezin, B.D.
Opt. Spectrosc. (USSR) 63, 400-401 (1987)

Reaction: 1,4-Diaminoanthraquinone + ¹O₂^* ® products and/or physical quenching
Solvent: C₆H₆

k = 2.0 × 10⁸(L mol^-1 s^-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly
Excitation wavelength: 337 nm

Photosensitizer = Anthracene. [Sensitizer] = 1.0 × 10^-4 (mol L^-1).

Venediktov, E.A.; Perfilev, V.A.; Berezin, B.D.
Opt. Spectrosc. (USSR) 63, 400-401 (1987)

Reaction: 1,4-Diaminoanthraquinone + ¹O₂^* ® products and/or physical quenching
Solvent: CH₃COCH₃

k = 6.2 × 10⁸(L mol^-1 s^-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly
Excitation wavelength: 337 nm

Photosensitizer = Anthracene. [Sensitizer] = 1.0 × 10^-4 (mol L^-1).

Venediktov, E.A.; Perfil'ev, V.A.; Berezin, B.D.
Russ. J. Phys. Chem. 59, 1824-1826 (1985)

Reaction: 1,4-Diaminoanthraquinone + ¹O₂^* ® products and/or physical quenching
Solvent: Pyridine

k = 2 × 10⁹(L mol^-1 s^-1)

Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements using indicator
Excitation wavelength: 743 nm

Photosensitizer = trans-Tetraphenylbacteriochlorin; Indicator = Tetracene. used solvent k_d = 1.6 × 10⁵ s^-1.

Venediktov, E.A.; Perfil'ev, V.A.; Berezin, B.D.
Russ. J. Phys. Chem. 59, 1824-1826 (1985)

Reaction: 1,4-Diaminoanthraquinone + ¹O₂^* ® products and/or physical quenching
Solvent: Benzene

k = 3 × 10⁸(L mol^-1 s^-1)

Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements using indicator
Excitation wavelength: 741 nm

Photosensitizer = trans-Tetraphenylbacteriochlorin; Indicator = Tetracene. used solvent k_d = 3.0 × 10⁵ s^-1.

Venediktov, E.A.; Perfil'ev, V.A.; Berezin, B.D.
Russ. J. Phys. Chem. 59, 1824-1826 (1985)

Reaction: 1,4-Diaminoanthraquinone + ¹O₂^* ® products and/or physical quenching
Solvent: Acetone

k = 9 × 10⁸(L mol^-1 s^-1)

Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements using indicator
Excitation wavelength: 737 nm

Photosensitizer = trans-Tetraphenylbacteriochlorin; Indicator = Tetracene. used solvent k_d = 5.1 × 10⁵ s^-1.

Venediktov, E.A.; Krasnovsky, A.A.,Jr.
Opt. Spectrosc. (USSR) 52, 338-339 (1982)

Reaction: 1,4-Diaminoanthraquinone + ¹O₂^* ® products and/or physical quenching
Solvent: CCl₄

k = 1 × 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. <1% product formation. [Sensitizer] = 1-5 × 10^-6 (mol L^-1).