4-(Diethylamino)-4'-methoxyazobenzene Singlet oxygen

Bortolus, P.; Monti, S.; Albini, A.; Fasani, E.; Pietra, S.
J. Org. Chem. 54, 534-540 (1989)

Reaction: 4-(Diethylamino)-4'-methoxyazobenzene + ¹O₂^* ® products
Reference Reaction: 9,10-Dimethylanthracene + ¹O₂^* ®
Solvent: CH₂Cl₂

k_react = 1.3 × 10⁴(L mol^-1 s^-1), k_reference = 2.1 × 10⁷(L mol^-1 s^-1)

Experimental method: Photolysis
Analytical method: gas chromatography
Data type: Relative value measured by steady state method
Excitation wavelength: 589 nm

Photosensitizer = Methylene Blue; used ref. k in benzene [74STE/PER2]. [Sensitizer] = 3.8 × 10^-4 (mol L^-1).

Bortolus, P.; Monti, S.; Albini, A.; Fasani, E.; Pietra, S.
J. Org. Chem. 54, 534-540 (1989)

Reaction: 4-(Diethylamino)-4'-methoxyazobenzene + ¹O₂^* ® products and/or physical quenching
Solvent: CH₂Cl₂

k = 1.0 × 10⁷(L mol^-1 s^-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly
Excitation wavelength: 532 nm

Photosensitizer = 5,10,15,20-Tetraphenylporphine.

Albini, A.; Fasani, E.; Pietra, S.; Sulpizio, A.
J. Chem. Soc., Perkin Trans. 2, 1689-1692 (1984)

Reaction: 4-(Diethylamino)-4'-methoxyazobenzene + ¹O₂^* ® products
Reference Reaction: 4-(Diethylamino)azobenzene + ¹O₂^* ®
Solvent: CD₃OD

k/k_reference = 14

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

Photosensitizer = Methylene Blue; meas. k/k_ref = 14; ref. k in MeOH.

Albini, A.; Fasani, E.; Pietra, S.; Sulpizio, A.
J. Chem. Soc., Perkin Trans. 2, 1689-1692 (1984)

Reaction: 4-(Diethylamino)-4'-methoxyazobenzene + ¹O₂^* ® products
Reference Reaction: 4-(Diethylamino)azobenzene + ¹O₂^* ®
Solvent: CD₃OD, 80%, D₂O, 20%

k/k_reference = 74

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

Photosensitizer = Methylene Blue; meas. k/k_ref = 74; ref. k in MeOH.

Albini, A.; Fasani, E.; Pietra, S.; Sulpizio, A.
J. Chem. Soc., Perkin Trans. 2, 1689-1692 (1984)

Reaction: 4-(Diethylamino)-4'-methoxyazobenzene + ¹O₂^* ® products
Reference Reaction: 4-(Diethylamino)azobenzene + ¹O₂^* ®
Solvent: CH₃OH, 80%, H₂O, 20%

k/k_reference = 6

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

Photosensitizer = Methylene Blue; meas. k/k_ref = 6; ref. k in MeOH.

Albini, A.; Fasani, E.; Pietra, S.; Sulpizio, A.
J. Chem. Soc., Perkin Trans. 2, 1689-1692 (1984)

Reaction: 4-(Diethylamino)-4'-methoxyazobenzene + ¹O₂^* ® products
Reference Reaction: 4-(Diethylamino)azobenzene + ¹O₂^* ®
Solvent: CH₃OH, 50%, H₂O, 50%

k/k_reference = 22

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

Photosensitizer = Methylene Blue; meas. k/k_ref = 22; ref. k in MeOH.

Albini, A.; Fasani, E.; Pietra, S.; Sulpizio, A.
J. Chem. Soc., Perkin Trans. 2, 1689-1692 (1984)

Reaction: 4-(Diethylamino)-4'-methoxyazobenzene + ¹O₂^* ® products
Reference Reaction: 4-(Diethylamino)azobenzene + ¹O₂^* ®
Solvent: CH₃OH

k/k_reference = 1

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

Photosensitizer = Methylene Blue. meas. k/k_ref = 1.