2,3-Dimethyl-2-butene
Singlet oxygen
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2,3-Dimethyl-2-butene
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Seip, M.; Brauer, H.-D.
J. Photochem. Photobiol., A 76, 1-5 (1993)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: CH2Cl2
k = 5.2 × 107(L mol-1 s-1)
Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly
Photosensitizer = Oxodiperoxymolybdenum(VI).
Shereshovets, V.V.; Kabalnova, N.N.; Komissarov, V.D.; Mavrodiev, V.K.; Lerman, B.M.; Belogaeva, T.A.; Tolstikov, G.A.
React. Kinet. Catal. Lett. 41, 251-256 (1990)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: C6H5Cl, 90%, 2-PrOH, 10%
k = 2.6 × 107(L mol-1 s-1), T = 273K
Experimental method: Chemical reaction
Analytical method: infrared luminescence
Data type: Derived from steady state measurements
used solvent kd = 4.1 × 104 s-1; 1O2* from hydrotrioxide, e.g. (CH3)2C(OH)OOOH.
Gorman, A.A.; Hamblett, I.; Lambert, C.; Spencer, B.; Standen, M.C.
J. Am. Chem. Soc. 110, 8053-8059 (1988)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: Toluene
Activation energy = -1(kJ mol-1), Log(A) = 7.381, Enthalpy of activation = -3(kJ mol-1), Entropy of activation = -126(J K-1 mol-1), Temperature range 183 to 363 K
k = 3.6 × 107(L mol-1 s-1)
Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly
Excitation wavelength: 355 nm
Photosensitizer = 2'-Acetonaphthone; pre-exciplex-equilibrium limit activation parameters.
[Sensitizer] = 2.9 × 10-3 (mol L-1).
Scully, F.E.,Jr.; Hoigne, J.
Chemosphere 16, 681-694 (1987)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products
Reference Reaction: Furfuryl alcohol + 1O2* ®
Solvent: H2O
kreact = 1.1 × 108(L mol-1 s-1), kreference = 1.2 × 108(L mol-1 s-1), pH = 7.0, T = 292K
Experimental method: Modulated photolysis
Analytical method: gas chromatography
Data type: Relative value measured by steady state method
Excitation wavelength: >520 nm
Photosensitizer = Rose Bengal dianion.
Added solute 1 × 10-5.
[Sensitizer] = 5 × 10-3 (mol L-1).
[Indicator] = 5 × 10-5 (mol L-1).
Casal, H.L.; Tanner, M.; Werstiuk, N.H.; Scaiano, J.C.
J. Am. Chem. Soc. 107, 4616-4620 (1985)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: CH3CN
k = 3.7 × 107(L mol-1 s-1), T = 300K
Experimental method: Flash photolysis
Analytical method: vis-UV absorption
Data type: Absolute value measured directly using indicator
Excitation wavelength: 587 nm
Photosensitizer = Methylene Blue; Indicator = 9-Diazofluorene; obs. buildup of 9-Fluorenone oxide.
Hurst, J.R.; Wilson, S.L.; Schuster, G.B.
Tetrahedron 41, 2191-2197 (1985)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: CS2
Enthalpy of activation = 2(kJ mol-1), Entropy of activation = -96(J K-1 mol-1)
k = 2.2 × 107(L mol-1 s-1), T = 298K
Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly
Excitation wavelength: 532 nm
Photosensitizer = 5,10,15,20-Tetraphenylporphine. Studied at 183-310 K.
Gollnick, K.; Griesbeck, A.
Tetrahedron Lett. 25, 725-728 (1984)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products
Solvent: C6H6
b = 1.3 × 10-3(mol L-1), T = 286K
Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Derived from steady state measurements
Photosensitizer = 5,10,15,20-Tetraphenylporphine; Actinometer = 2,5-Dimethylfuran; meas. kd/k = 1.3 × 10-3 mol/L; meas. 1 + kq/kr = 1.
[Indicator] = 4 × 10-2 (mol L-1).
Gollnick, K.; Griesbeck, A.
Tetrahedron Lett. 25, 725-728 (1984)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products
Solvent: CCl4
b = 1.0 × 10-1(mol L-1), T = 286K
Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Derived from steady state measurements
Photosensitizer = 5,10,15,20-Tetraphenylporphine; Actinometer = 2,5-Dimethylfuran; meas. kd/k = 1.0 × 10-4 mol/L. meas. 1 + kq/kr = 1.
[Indicator] = 4 × 10-2 (mol L-1).
Gollnick, K.; Griesbeck, A.
Tetrahedron Lett. 25, 725-728 (1984)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products
Solvent: CH2Cl2
b = 4.0 × 10-1(mol L-1), T = 286K
Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Derived from steady state measurements
Photosensitizer = 5,10,15,20-Tetraphenylporphine; Actinometer = 2,5-Dimethylfuran; meas. kd/k = 4.0 × 10-4 mol/L. meas. 1 + kq/kr = 1.
[Indicator] = 4 × 10-2 (mol L-1).
Casal, H.L.; Sugamori, S.E.; Scaiano, J.C.
J. Am. Chem. Soc. 106, 7623-7624 (1984)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: CH3CN
k = 3.5 × 107(L mol-1 s-1), T = 300K
Experimental method: Flash photolysis
Analytical method: vis-UV absorption
Data type: Absolute value measured directly using indicator
Excitation wavelength: 587 nm
Photosensitizer = Methylene Blue; Indicator = Diazodiphenylmethane; Obs. benzophenone oxide buildup.
Gollnick, K.; Griesbeck, A.
Tetrahedron Lett. 25, 725-728 (1984)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products
Solvent: CH3CN
b = 7.6 × 10-1(mol L-1), T = 286K
Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Derived from steady state measurements
Photosensitizer = Rose Bengal dianion; Actinometer = 2,5-Dimethylfuran; meas. kd/k = 7.6 × 10-4 mol/L. meas. 1 + kq/kr = 1.
[Indicator] = 4 × 10-2 (mol L-1).
Gollnick, K.; Griesbeck, A.
Tetrahedron Lett. 25, 725-728 (1984)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products
Solvent: CH3COCH3
b = 1.2(mol L-1), T = 286K
Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Derived from steady state measurements
Photosensitizer = Rose Bengal dianion; Actinometer = 2,5-Dimethylfuran; meas. kd/k = 1.2 × 10-3 mol/L; meas. 1 + kq/kr = 1.
[Indicator] = 4 × 10-2 (mol L-1).
Gollnick, K.; Griesbeck, A.
Tetrahedron Lett. 25, 725-728 (1984)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products
Solvent: CHCl3
b = 3.6 × 10-1(mol L-1), T = 286K
Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Derived from steady state measurements
Photosensitizer = 5,10,15,20-Tetraphenylporphine; Actinometer = 2,5-Dimethylfuran; meas. kd/k = 3.6 × 10-4 mol/L; meas. 1 + kq/kr = 1.
[Indicator] = 4 × 10-2 (mol L-1).
Gollnick, K.; Griesbeck, A.
Tetrahedron Lett. 25, 725-728 (1984)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products
Solvent: CH3OH
b = 4.0(mol L-1), T = 286K
Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Derived from steady state measurements
Photosensitizer = Rose Bengal dianion; Actinometer = 2,5-Dimethylfuran; meas. kd/k = 4.0 × 10-3 mol/L; meas. 1 + kq/kr = 1.
[Indicator] = 4 × 10-2 (mol L-1).
Fuke, K.; Ueda, M.; Itoh, M.
J. Am. Chem. Soc. 105, 1091-1096 (1983)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: c-C6H12 (mic)
k = 1 × 107(L mol-1 s-1)
Experimental method: Flash photolysis
Analytical method: temperature changes
Data type: Absolute value measured directly
Excitation wavelength: 520 nm nm
Photosensitizer = Erythrosin dianion; reverse micelles contg. 0.04 mol L-1 DAP and 0.1 mol L-1 water.
[Sensitizer] = 1 × 10-5 (mol L-1).
Fuke, K.; Ueda, M.; Itoh, M.
J. Am. Chem. Soc. 105, 1091-1096 (1983)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: CH2Cl2
k = 4 × 107(L mol-1 s-1)
Experimental method: Flash photolysis
Analytical method: temperature changes
Data type: Absolute value measured directly
Excitation wavelength: 520 nm nm
Photosensitizer = 5,10,15,20-Tetraphenylporphine.
Ogilby, P.R.; Foote, C.S.
J. Am. Chem. Soc. 105, 3423-3430 (1983)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: (CH3)2CO
k = 3 × 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 = Mesoporphyrin IX, dimethyl ester.
[Sensitizer] = 1 × 10-4 (mol L-1).
Ogilby, P.R.; Foote, C.S.
J. Am. Chem. Soc. 105, 3423-3430 (1983)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: (CH3)2CO
b = 6.3 × 10-4(mol L-1), T = 294K
b = 7.7 × 10-4(mol L-1), T = 206K
Experimental method: Photolysis
Analytical method: vis-UV emission
Data type: Derived from steady state measurements using indicator
Photosensitizer = MPDME; Indicator = 1,3-Diphenylisobenzofuran. meas. kd/k =6.3 × 10-4 at 294 K and 7.7 × 10-4 mol/L at 206 K.
Fuke, K.; Ueda, M.; Itoh, M.
J. Am. Chem. Soc. 105, 1091-1096 (1983)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: MeOH
k = 3 × 107(L mol-1 s-1)
Experimental method: Flash photolysis
Analytical method: temperature changes
Data type: Absolute value measured directly
Excitation wavelength: 520 nm nm
Photosensitizer = Erythrosin dianion.
Gollnick, K.; Hartmann, H.; Paur, H.
Oxygen and Oxy-Radicals in Chemistry and Biology, M.A.J. Rodgers and E.L. Powers (eds.), Academic Press, New York, NY, 1981, p.379-95
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: C5H5N
k ~ 9 × 106(L mol-1 s-1), T = 286K
Photosensitizer = Rose Bengal bound to chloromethylated poly(styrene-co-divinylbenzene); value from graph; method not reported.
Tanielian, C.; Golder, L.
Photochem. Photobiol. 34, 411-414 (1981)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: C6H6
k = 1.8 × 107(L mol-1 s-1)
Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Derived from steady state measurements
Photosensitizer = Chlorophyll (oil soluble); used solvent kd = 4.0 × 104 s-1; Quencher = Chlorophyll (oil soluble); Chl (os) is a commercial mixture contg. a small % of chlorophyll.
Use Chlorophyll (oil soluble) as quencher.
Gollnick, K.; Hartmann, H.; Paur, H.
Oxygen and Oxy-Radicals in Chemistry and Biology, M.A.J. Rodgers and E.L. Powers (eds.), Academic Press, New York, NY, 1981, p.379-95
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: C6H6
k ~ 8 × 106(L mol-1 s-1), T = 286K
Photosensitizer = Rose Bengal bound to chloromethylated poly(styrene-co-divinylbenzene); value from graph; method not reported.
Gollnick, K.; Hartmann, H.; Paur, H.
Oxygen and Oxy-Radicals in Chemistry and Biology, M.A.J. Rodgers and E.L. Powers (eds.), Academic Press, New York, NY, 1981, p.379-95
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: CCl4
k ~ 5 × 105(L mol-1 s-1), T = 286K
Photosensitizer = Rose Bengal bound to chloromethylated poly(styrene-co-divinylbenzene); value from graph; method not reported.
Gollnick, K.; Hartmann, H.; Paur, H.
Oxygen and Oxy-Radicals in Chemistry and Biology, M.A.J. Rodgers and E.L. Powers (eds.), Academic Press, New York, NY, 1981, p.379-95
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: CH2Cl2
k ~ 2 × 106(L mol-1 s-1), T = 286K
Photosensitizer = Rose Bengal bound to chloromethylated poly(styrene-co-divinylbenzene); value from graph; method not reported.
Gollnick, K.; Hartmann, H.; Paur, H.
Oxygen and Oxy-Radicals in Chemistry and Biology, M.A.J. Rodgers and E.L. Powers (eds.), Academic Press, New York, NY, 1981, p.379-95
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: CH3CN
k ~ 7 × 106(L mol-1 s-1), T = 286K
Photosensitizer = Rose Bengal bound to chloromethylated poly(styrene-co-divinylbenzene); value from graph; method not reported.
Gollnick, K.; Hartmann, H.; Paur, H.
Oxygen and Oxy-Radicals in Chemistry and Biology, M.A.J. Rodgers and E.L. Powers (eds.), Academic Press, New York, NY, 1981, p.379-95
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: CH3COCH3
k ~107(L mol-1 s-1), T = 286K
Photosensitizer = Rose Bengal bound to chloromethylated poly(styrene-co-divinylbenzene); value from graph; method not reported.
Turro, N.J.; Chow, M.-F.; Kanfer, S.; Jacobs, M.
Tetrahedron Lett. 22, 3-6 (1981)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: CHCl3
k = 5.6 × 107(L mol-1 s-1)
Experimental method: Photolysis
Data type: Derived from steady state measurements using indicator
Photosensitizer = Indicator = Rubrene; used solvent kd = 1.7 × 104 s-1; k for indicator = 5.3 × 107 L/(mol·s).
Turro, N.J.; Chow, M.-F.; Kanfer, S.; Jacobs, M.
Tetrahedron Lett. 22, 3-6 (1981)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: CHCl3
k = 5.4 × 107(L mol-1 s-1)
Experimental method: Chemical reaction
Data type: Derived from steady state measurements using indicator
Indicator = Rubrene; k for indicator = 5.3 × 107 L/(mol·s); used solvent kd = 1.7 × 104 s-1; 1O2* from DMNO2.
Gollnick, K.; Hartmann, H.; Paur, H.
Oxygen and Oxy-Radicals in Chemistry and Biology, M.A.J. Rodgers and E.L. Powers (eds.), Academic Press, New York, NY, 1981, p.379-95
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: CHCl3
k ~ 5 × 106(L mol-1 s-1), T = 286K
Photosensitizer = Rose Bengal bound to chloromethylated poly(styrene-co-divinylbenzene); value from graph; method not reported.
Gollnick, K.; Hartmann, H.; Paur, H.
Oxygen and Oxy-Radicals in Chemistry and Biology, M.A.J. Rodgers and E.L. Powers (eds.), Academic Press, New York, NY, 1981, p.379-95
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: CS2
k ~ 8 × 105(L mol-1 s-1), T = 286K
Photosensitizer = Rose Bengal bound to chloromethylated poly(styrene-co-divinylbenzene); value from graph; method not reported.
Gollnick, K.; Hartmann, H.; Paur, H.
Oxygen and Oxy-Radicals in Chemistry and Biology, M.A.J. Rodgers and E.L. Powers (eds.), Academic Press, New York, NY, 1981, p.379-95
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: CH3OH
k = 1.3 × 107(L mol-1 s-1), T = 286K
Photosensitizer = Rose Bengal bound to chloromethylated poly(styrene-co-divinylbenzene); value from graph; method not reported.
Olmsted, J.,III
J. Am. Chem. Soc. 102, 66-71 (1980)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: Toluene
b = 1.1(mol L-1)
Experimental method: Photolysis
Analytical method: temperature changes
Data type: Derived from steady state measurements
Photosensitizer = 5,10,15,20-Tetraphenylporphine. meas. kd/k = 1.1 × 10-3 mol/L.
Gorman, A.A.; Lovering, G.; Rodgers, M.A.J.
J. Am. Chem. Soc. 100, 4527-4532 (1978)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: C6H5CH3
k = 4.2 × 107(L mol-1 s-1)
Experimental method: Pulse radiolysis
Analytical method: vis-UV absorption
Data type: Absolute value measured directly using indicator
Photosensitizer = Naphthalene; Indicator = 1,3-Diphenylisobenzofuran.
Monroe, B.M.
J. Phys. Chem. 82, 15-18 (1978)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: CHCl3
k = 5.8 × 107(L mol-1 s-1)
Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements using indicator
Photosensitizer = Indicator = Rubrene; used solvent kd = 1.7 × 104 s-1; k for indicator = 5.3 × 107 L/(mol·s).
Faler, G.R.
Ph.D., Thesis, Wayne State Univ., Detroit, MI, 1977, 157p.
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: (CH3)2CO
k = 5.4 × 107(L mol-1 s-1), T = 288K
Experimental method: Photolysis
Analytical method: vis-UV emission
Data type: Derived from steady state measurements using indicator
Photosensitizer = Rose Bengal dianion; used solvent kd = 3.8 × 104 s-1; Indicator = 1,3-Diphenylisobenzofuran.
Brkic, D.; Forzatti, P.; Pasquon, I.; Trifiro, F.
J. Photochem. 5, 23-32 (1976)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: EtOH
b = 5.6 × 10-1(mol L-1)
Experimental method: Photolysis
Analytical method: gas chromatography
Data type: Derived from steady state measurements
Photosensitizer = Methylene Blue; meas. kd/k = 0.56 mol/L. Reported values are suspect since rate of oxidation depends on [O2] and data plots were nonlinear.
Kramer, H.E.A.; Maute, A.
Photochem. Photobiol. 17, 413-423 (1973)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: C5H5N
b = 1.3 × 10-3(mol L-1), T = 285K
Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements using indicator
Photosensitizer = Thionine, Methylene Blue, or 9,10-Dimethylanthracene; Indicator = 9,10-Dimethylanthracene. meas. kd/k = 1.3 × 10-3 mol/L.
Yamase, T.; Kokado, H.; Inoue, E.
Bull. Chem. Soc. Jpn. 45, 726-731 (1972)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: EtOH
k = 1.6 × 107(L mol-1 s-1)
Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Derived from steady state measurements using indicator
Photosensitizer = Rose Bengal dianion; used solvent kd = 1.0 × 104 s-1; Indicator = Hexamethylenedithiocarbamate; k for indicator = 1.5 × 108 L/(mol·s).
Young, R.H.; Wehrly, K.; Martin, R.L.
J. Am. Chem. Soc. 93, 5774-5779 (1971)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: 1-BuOH
b = 4.4 × 10-3(mol L-1), T = 296K
Experimental method: Photolysis
Analytical method: vis-UV emission
Data type: Derived from steady state measurements using indicator
Photosensitizer = Methylene Blue; Indicator = 1,3-Diphenylisobenzofuran. meas. kd/k = 4.4 × 10-3 mol/L.
Young, R.H.; Wehrly, K.; Martin, R.L.
J. Am. Chem. Soc. 93, 5774-5779 (1971)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: tert-BuOH
b = 2.9 × 10-3(mol L-1), T = 296K
Experimental method: Photolysis
Analytical method: vis-UV emission
Data type: Derived from steady state measurements using indicator
Photosensitizer = Methylene Blue; Indicator = 1,3-Diphenylisobenzofuran. meas. kd/k = 2.9 × 10-3 mol/L.
Young, R.H.; Wehrly, K.; Martin, R.L.
J. Am. Chem. Soc. 93, 5774-5779 (1971)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: MeOH
b = 4.6 × 10-3(mol L-1), T = 296K
Experimental method: Photolysis
Analytical method: vis-UV emission
Data type: Derived from steady state measurements using indicator
Photosensitizer = Methylene Blue; Indicator = 1,3-Diphenylisobenzofuran. meas. kd/k = 4.6 × 10-3 mol/L.
Merkel, P.B.; Kearns, D.R.
Chem. Phys. Lett. 12, 120-122 (1971)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: MeOH
k = 4 × 107(L mol-1 s-1)
Experimental method: Flash photolysis
Analytical method: vis-UV absorption
Data type: Absolute value measured directly using indicator
Photosensitizer = Methylene Blue; Indicator = 1,3-Diphenylisobenzofuran.
Young, R.H.; Wehrly, K.; Martin, R.L.
J. Am. Chem. Soc. 93, 5774-5779 (1971)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: MeOH, 50%, tert-BuOH, 50%
b = 2.3 × 10-3(mol L-1)
Experimental method: Photolysis
Analytical method: vis-UV emission
Data type: Derived from steady state measurements using indicator
Photosensitizer = Rose Bengal dianion; Indicator = 1,3-Diphenylisobenzofuran. meas. kd/k = 2.3 × 10-3 mol/L.
Algar, B.E.; Stevens, B.
J. Phys. Chem. 74, 3029-3034 (1970)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Reference Reaction: Tetracene + 1O2* ®
Solvent: C6H6
k/kreference = 1.4
T = 298K
Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Relative value measured by steady state method
Photosensitizer = Tetracene. Meas. k/kref = 1.4.
Algar, B.E.; Stevens, B.
J. Phys. Chem. 74, 3029-3034 (1970)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Reference Reaction: Rub + 1O2* ®
Solvent: C6H6
k/kreference = 4.2 × 10-1
T = 298K
Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Relative value measured by steady state method
Photosensitizer = Rubrene. Meas. k/kref = 0.42.
Algar, B.E.; Stevens, B.
J. Phys. Chem. 74, 3029-3034 (1970)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Reference Reaction: 9,10-Dimethylbenz[a]anthracene + 1O2* ®
Solvent: C6H6
k/kreference = 5.9 × 10-1
T = 298K
Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Relative value measured by steady state method
Photosensitizer = 9,10-Dimethylbenz[a]anthracene. Meas. k/kref = 0.59.
Algar, B.E.; Stevens, B.
J. Phys. Chem. 74, 3029-3034 (1970)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Reference Reaction: 9,10-Dimethylanthracene + 1O2* ®
Solvent: C6H6
k/kreference = 3.9 × 10-1
T = 298K
Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Relative value measured by steady state method
Photosensitizer = 9,10-Dimethylanthracene. Meas. k/kref = 0.39.
Koch, E.
Tetrahedron 24, 6295-6318 (1968)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: MeOH
Activation energy = 2.1(kJ mol-1)
b = 6.2 × 10-3(mol L-1), T = 293K
Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Derived from steady state measurements
Photosensitizer = Rose Bengal dianion. meas. kd/k = 6.2 × 10-3 mol/L.
Gollnick, K.
Adv. Chem. Ser. 77, 78-101 (1968)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products and/or physical quenching
Solvent: MeOH
b = 3.0 × 10-3(mol L-1)
Method not reported. meas. kd/k = 3.0 × 10-3 mol/L.
Wilson, T.
J. Am. Chem. Soc. 88, 2898-2902 (1966)
Reaction: (CH3)2C=C(CH3)2 + 1O2* ®
products
Reference Reaction: DPBF + 1O2* ®
Solvent: C5H5N
k/kreference = 2.6
T ~283K
Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Relative value measured by steady state method
Photosensitizer = 1,3-Diphenylisobenzofuran. Meas. k/kref = 0.026.