5-Ethoxycarbonyl-3,4-dihydro-6-methylpyran
Singlet oxygen
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5-Ethoxycarbonyl-3,4-dihydro-6-methylpyran
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Chan, Y.-Y.; Li, X.; Zhu, C.; Liu, X.; Zhang, Y.; Liang, X.
J. Org. Chem. 55, 5497-5504 (1990)
Reaction: 5-Ethoxycarbonyl-3,4-dihydro-6-methylpyran + 1O2* ®
products and/or physical quenching
Reference Reaction: DPBF + 1O2* ®
Solvent: C6D6
k = 4.3 × 104(L mol-1 s-1), T = 298K
Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Relative value measured by steady state method
Photosensitizer = 5,10,15,20-Tetraphenylporphine; Indicator = 1,3-Diphenylisobenzofuran; rel. to k measured in CH3CN.
Chan, Y.-Y.; Li, X.; Zhu, C.; Liu, X.; Zhang, Y.; Liang, X.
J. Org. Chem. 55, 5497-5504 (1990)
Reaction: 5-Ethoxycarbonyl-3,4-dihydro-6-methylpyran + 1O2* ®
products and/or physical quenching
Reference Reaction: DPBF + 1O2* ®
Solvent: C6H6
k = 2.4 × 104(L mol-1 s-1), T = 298K
Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Relative value measured by steady state method
Photosensitizer = 5,10,15,20-Tetraphenylporphine; Indicator = 1,3-Diphenylisobenzofuran; rel. to k measured in CH3CN.
Chan, Y.-Y.; Li, X.; Zhu, C.; Liu, X.; Zhang, Y.; Liang, X.
J. Org. Chem. 55, 5497-5504 (1990)
Reaction: 5-Ethoxycarbonyl-3,4-dihydro-6-methylpyran + 1O2* ®
products and/or physical quenching
Solvent: CCl4
Enthalpy of activation = 0.0(kJ mol-1), Entropy of activation = 0.0(J K-1 mol-1), Temperature range 283 to 323 K
k = 3.9 × 104(L mol-1 s-1), T = 298K
Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements using indicator
Photosensitizer = Indicator = Rubrene. used solvent kd = 1.1 × 103 s-1.
[Sensitizer] = 5.3 × 10-5 (mol L-1).
Chan, Y.-Y.; Li, X.; Zhu, C.; Liu, X.; Zhang, Y.; Liang, X.
J. Org. Chem. 55, 5497-5504 (1990)
Reaction: 5-Ethoxycarbonyl-3,4-dihydro-6-methylpyran + 1O2* ®
products and/or physical quenching
Reference Reaction: DPBF + 1O2* ®
Solvent: CCl4
k = 4.3 × 104(L mol-1 s-1), T = 298K
Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Relative value measured by steady state method
Photosensitizer = 5,10,15,20-Tetraphenylporphine; Indicator = 1,3-Diphenylisobenzofuran; rel. to k in CH3CN.
Chan, Y.-Y.; Li, X.; Zhu, C.; Liu, X.; Zhang, Y.; Liang, X.
J. Org. Chem. 55, 5497-5504 (1990)
Reaction: 5-Ethoxycarbonyl-3,4-dihydro-6-methylpyran + 1O2* ®
products and/or physical quenching
Reference Reaction: DPBF + 1O2* ®
Solvent: CD3CN
k = 1.1 × 105(L mol-1 s-1), T = 298K
Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Relative value measured by steady state method
Photosensitizer = Methylene Blue; Indicator = 1,3-Diphenylisobenzofuran; rel. to k in CH3CN.
[Sensitizer] = 8.7 × 10-7 (mol L-1).
[Indicator] = 3.8 × 105 (mol L-1).
Chan, Y.-Y.; Li, X.; Zhu, C.; Liu, X.; Zhang, Y.; Liang, X.
J. Org. Chem. 55, 5497-5504 (1990)
Reaction: 5-Ethoxycarbonyl-3,4-dihydro-6-methylpyran + 1O2* ®
products and/or physical quenching
Reference Reaction: DPBF + 1O2* ®
Solvent: CH2Cl2
k = 5.4 × 104(L mol-1 s-1), T = 298K
Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Relative value measured by steady state method
Photosensitizer = 5,10,15,20-Tetraphenylporphine; Indicator = 1,3-Diphenylisobenzofuran; rel. to k in CH3CN.
Chan, Y.-Y.; Li, X.; Zhu, C.; Liu, X.; Zhang, Y.; Liang, X.
J. Org. Chem. 55, 5497-5504 (1990)
Reaction: 5-Ethoxycarbonyl-3,4-dihydro-6-methylpyran + 1O2* ®
products and/or physical quenching
Solvent: CH3CN
Enthalpy of activation = 0.0(kJ mol-1), Entropy of activation = 0.0(J K-1 mol-1), Temperature range 283 to 323 K
k = 1.0 × 105(L mol-1 s-1), T = 298K
Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements using indicator
Photosensitizer = Methylene Blue; Indicator = 1,3-Diphenylisobenzofuran. used solvent kd = 1.9 × 104 s-1.
[Sensitizer] = 8.7 × 10-7 (mol L-1).
[Indicator] = 3.8 × 105 (mol L-1).
Chan, Y.-Y.; Li, X.; Zhu, C.; Liu, X.; Zhang, Y.; Liang, X.
J. Org. Chem. 55, 5497-5504 (1990)
Huang, Z.; Liang, X.; Chan, Y.
Chin. J. Chem. 9, 506-511 (1991)
Reaction: 5-Ethoxycarbonyl-3,4-dihydro-6-methylpyran + 1O2* ®
products and/or physical quenching
Solvent: CHCl3
Enthalpy of activation = 0.0(kJ mol-1), Entropy of activation = 0.0(J K-1 mol-1), Temperature range 283 to 323 K
k = 4.0 × 104(L mol-1 s-1), T = 298K
Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements using indicator
Photosensitizer = Indicator = Rubrene. used solvent kd = 7.1 × 103 s-1.
[Sensitizer] = 5.3 × 10-5 (mol L-1).