1,4-Diphenyl-1,3-butadiene Singlet oxygen

Takahashi, Y.; Wakamatsu, K.; Kikuchi, K.; Miyashi, T.
J. Phys. Org. Chem. 3, 509-518 (1990)

Reaction: 1,4-Diphenyl-1,3-butadiene + ¹O₂^* ® 1,4-Diphenyl-1,3-butadiene endoperoxide
Solvent: Carbon tetrachloride

k = 2.1 × 10⁵(L mol^-1 s^-1)

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

Photosensitizer = 5,10,15,20-Tetraphenylporphine. used solvent k_d = 1.4 × 10³ s^-1;

Takahashi, Y.; Wakamatsu, K.; Kikuchi, K.; Miyashi, T.
J. Phys. Org. Chem. 3, 509-518 (1990)

Reaction: 1,4-Diphenyl-1,3-butadiene + ¹O₂^* ® 1,4-Diphenyl-1,3-butadiene endoperoxide
Solvent: Acetonitrile

k = 6.0 × 10⁵(L mol^-1 s^-1)

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

Photosensitizer = Rose Bengal dianion. used solvent k_d = 3.3 × 10⁴ s^-1;

Landis, M.E.; Madoux, D.C.
J. Am. Chem. Soc. 101, 5106-5107 (1979)

Reaction: 1,4-Diphenyl-1,3-butadiene + ¹O₂^* ® products
Reference Reaction: Acetone azine + ¹O₂^* ®
Solvent: CCl₄

k/k_reference = 3.5
T = 273K

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

Photosensitizer = 5,10,15,20-Tetraphenylporphine. Meas. k/k_ref = 3.5. Added solute 0.025. [Sensitizer] = 1 × 10^-4 (mol L^-1). [Indicator] = 2.5 × 10^-2 (mol L^-1).

Landis, M.E.; Madoux, D.C.
J. Am. Chem. Soc. 101, 5106-5107 (1979)

Reaction: 1,4-Diphenyl-1,3-butadiene + ¹O₂^* ® products
Reference Reaction: Acetone azine + ¹O₂^* ®
Solvent: C₆F₆

k/k_reference = 3.6
T = 273K

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

Photosensitizer = 5,10,15,20-Tetraphenylporphine. Meas. k/k_ref = 3.6. Added solute 0.025. [Sensitizer] = 1 × 10^-4 (mol L^-1). [Indicator] = 2.5 × 10^-2 (mol L^-1).

Landis, M.E.; Madoux, D.C.
J. Am. Chem. Soc. 101, 5106-5107 (1979)

Reaction: 1,4-Diphenyl-1,3-butadiene + ¹O₂^* ® products
Reference Reaction: Acetone azine + ¹O₂^* ®
Solvent: CDCl₃

k/k_reference = 3.3
T = 253K

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

Photosensitizer = Methylene Blue; Meas. k/k_ref = 3.3. Added solute 0.1. [Sensitizer] = 1 × 10^-4 (mol L^-1). [Indicator] = 1 × 10^-1 (mol L^-1).

Landis, M.E.; Madoux, D.C.
J. Am. Chem. Soc. 101, 5106-5107 (1979)

Reaction: 1,4-Diphenyl-1,3-butadiene + ¹O₂^* ® products
Reference Reaction: Acetone azine + ¹O₂^* ®
Solvent: CDCl₃

k/k_reference = 4.5
T = 253K

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

Photosensitizer = 5,10,15,20-Tetraphenylporphine. Meas. k/k_ref = 4.5. Added solute 0.1. [Sensitizer] = 1 × 10^-4 (mol L^-1). [Indicator] = 1 × 10^-1 (mol L^-1).

Landis, M.E.; Madoux, D.C.
J. Am. Chem. Soc. 101, 5106-5107 (1979)

Reaction: 1,4-Diphenyl-1,3-butadiene + ¹O₂^* ® products
Reference Reaction: Acetone azine + ¹O₂^* ®
Solvent: CDCl₃

k/k_reference = 3.6
T = 253K

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

Photosensitizer = Poly-RB. Meas. k/k_ref = 3.6. Added solute 0.1. [Indicator] = 1 × 10^-1 (mol L^-1).