1,4-Diazabicyclo[2.2.2]octane
Singlet oxygen


Iu, K.-K.; Thomas, J.K.
J. Photochem. Photobiol., A 71, 55-60 (1993)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: Benzene

k = 2.9 × 108(L mol-1 s-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = 2'-Acetonaphthone.


Ogilby, P.R.; Dillon, M.P.; Kristiansen, M.; Clough, R.L.
Macromolecules 25, 3399-3405 (1992)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: Methyl propionate

k = 2.5 × 108(L mol-1 s-1), T = 293K

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = Pz and 2-ACN.


Ogilby, P.R.; Dillon, M.P.; Kristiansen, M.; Clough, R.L.
Macromolecules 25, 3399-3405 (1992)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: Toluene

k = 2.4 × 108(L mol-1 s-1), T = 293K

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = Pz and 2-ACN.


Sakuragi, M.; Ichimura, K.; Sakuragi, H.
Bull. Chem. Soc. Jpn. 65, 1944-1949 (1992)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: Benzene

k = 2.9 × 108(L mol-1 s-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly
Excitation wavelength: 555 nm

Photosensitizer = TPP and ZnTPP.


Seikel, K.; Brauer, H.-D.
Ber. Bunsenges. Phys. Chem. 95, 900-904 (1991)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: C6H5CH3

Volume of activation = -17(cm3 mol-1), Pressure range 0.1 to 120
k = 2.2 × 108(L mol-1 s-1), T = 298K

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = TPP.


Seikel, K.; Brauer, H.-D.
Ber. Bunsenges. Phys. Chem. 95, 900-904 (1991)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: C6H5CN

Volume of activation = - 10(cm3 mol-1), Pressure range 0.1 to 120
k = 3.7 × 108(L mol-1 s-1), T = 298K

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = Methylene Blue.


Seikel, K.; Brauer, H.-D.
Ber. Bunsenges. Phys. Chem. 95, 900-904 (1991)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: CH2Cl2

Volume of activation = -15(cm3 mol-1), Pressure range 0.1 to 120
k = 8.3 × 107(L mol-1 s-1), T = 298K

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = Methylene Blue.


Seikel, K.; Brauer, H.-D.
Ber. Bunsenges. Phys. Chem. 95, 900-904 (1991)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: CH3CN

Volume of activation = - 10(cm3 mol-1), Pressure range 0.1 to 120
k = 4.0 × 108(L mol-1 s-1), T = 298K

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = Methylene Blue.


Silverman, S.K.; Foote, C.S.
J. Am. Chem. Soc. 113, 7672-7675 (1991)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Reference Reaction: 2,3-Diphenyl-1,4-dioxene + 1O2* ®
Solvent: CH3CN

k = 5.5 × 108(L mol-1 s-1), kreference = 1.7 × 107(L mol-1 s-1), T = 298K

Experimental method: Modulated photolysis
Analytical method: gas chromatography
Data type: Relative value measured by steady state method

Photosensitizer = 9,10-Dicyanoanthracene. [Indicator] = 7.5 × 10-3 (mol L-1).


Seikel, K.; Brauer, H.-D.
Ber. Bunsenges. Phys. Chem. 95, 900-904 (1991)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: CH3COCH3

Volume of activation = -15(cm3 mol-1), Pressure range 0.1 to 120
k = 1.8 × 108(L mol-1 s-1), T = 298K

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = Methylene Blue.


Seikel, K.; Brauer, H.-D.
Ber. Bunsenges. Phys. Chem. 95, 900-904 (1991)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: CHCl3

Volume of activation = -19(cm3 mol-1), Pressure range 0.1 to 120
k = 3.5 × 107(L mol-1 s-1), T = 298K

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = Methylene Blue.


Iu, K.-K.; Thomas, J.K.
J. Am. Chem. Soc. 112, 3319-3325 (1990)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: Cyclohexane

k = 2.1 × 107(L mol-1 s-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = 2'-Acetonaphthone.


Shiozaki, H.; Nakazumi, H.; Takamura, Y.; Kitao, T.
Bull. Chem. Soc. Jpn. 63, 2653-2658 (1990)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: C6H6

k = 2.6 × 108(L mol-1 s-1), T = 298K

Experimental method: Photolysis
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements using indicator
Excitation wavelength: 525 nm

Photosensitizer = Indicator = Rubrene; used solvent kd = 4.2 × 104 s-1; k for indicator = 4.2 × 107 L/(mol·s); <4% product formation. [Sensitizer] = 1 × 10-4 (mol L-1).


Clennan, E.L.; Noe, L.J.; Wen, T.; Szneler, E.
J. Org. Chem. 54, 3581-3584 (1989)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: CF3CH2OH

k = 4.4 × 104(L mol-1 s-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = Rose Bengal dianion. [Sensitizer] = 3-9 × 10-5 (mol L-1).


Clennan, E.L.; Noe, L.J.; Wen, T.; Szneler, E.
J. Org. Chem. 54, 3581-3584 (1989)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: CH3CN

k = 4.9 × 108(L mol-1 s-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = Rose Bengal dianion. [Sensitizer] = 3-9 × 10-5 (mol L-1).


Clennan, E.L.; Noe, L.J.; Wen, T.; Szneler, E.
J. Org. Chem. 54, 3581-3584 (1989)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: (CH3)2CHOH

k = 3.6 × 106(L mol-1 s-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = Rose Bengal dianion. [Sensitizer] = 3-9 × 10-5 (mol L-1).


Cen, J.; Hu, X.; Shen, D.; Zhu, L.
Ganguang Kexue Yu Kuang Huaxue, 1-8 (1988)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: CHCl3

k = 1.8 × 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).


Gorman, A.A.; Hamblett, I.; Smith, K.; Standen, M.C.
Tetrahedron Lett. 25, 581-584 (1984)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: Toluene

Activation energy = -4(kJ mol-1), Log(A) = 7.621, Enthalpy of activation = -7(kJ mol-1), Entropy of activation = -126(J K-1 mol-1), Temperature range 183 to 363 K
k = 2.1 × 108(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; see also [88GOR/HAM]. [Sensitizer] = 2.9 × 10-3 (mol L-1).


Gorman, A.A.; Hamblett, I.; Smith, K.; Standen, M.C.
Tetrahedron Lett. 25, 581-584 (1984)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: C6H6

k = 2.6 × 108(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. [Sensitizer] = 3-7 × 10-3 (mol L-1). [Indicator] = 0-15 × 10-5 (mol L-1).


Gorman, A.A.; Hamblett, I.; Smith, K.; Standen, M.C.
Tetrahedron Lett. 25, 581-584 (1984)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: CH3CN

k = 4.0 × 108(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. [Sensitizer] = 3-7 × 10-3 (mol L-1). [Indicator] = 0-15 × 10-5 (mol L-1).


Gorman, A.A.; Hamblett, I.; Smith, K.; Standen, M.C.
Tetrahedron Lett. 25, 581-584 (1984)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: (CH3)2CO

k = 3.8 × 108(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. [Sensitizer] = 3-7 × 10-3 (mol L-1). [Indicator] = 0-15 × 10-5 (mol L-1).


Larson, R.A.; Marley, K.A.
Phytochemistry 23, 2351-2354 (1984)

Reaction: DABCO + 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 × 104 s-1.


Gorman, A.A.; Hamblett, I.; Smith, K.; Standen, M.C.
Tetrahedron Lett. 25, 581-584 (1984)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: EtOH

k = 5.0 × 106(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. [Sensitizer] = 3-7 × 10-3 (mol L-1). [Indicator] = 0-15 × 10-5 (mol L-1).


Ogilby, P.R.; Foote, C.S.
J. Am. Chem. Soc. 105, 3423-3430 (1983)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: (CH3)2CO

k = 4.5 × 108(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).


Stevens, B.; Marsh, K.L.
J. Phys. Chem. 86, 4473-4476 (1982)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: Freon 113

k = 2.1 × 107(L mol-1 s-1), T = 298K

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = Perylene.


Tirzitis, G.; Byteva, I.M.; Salokhiddinov, K.I.; Gurinovich, G.P.; Dubure, G.
Chem. Heterocycl. Compd., 682-684 (1981)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: CHCl3

k = 2.0 × 107(L mol-1 s-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = MPDEE or PdMPDEE. [Sensitizer] = 5 × 10-6 (mol L-1). [Indicator] = < 5 × 10-3 (mol L-1).


Salokhiddinov, K.I.; Byteva, I.M.; Dzhagarov, B.M.; Gurinovich, G.P.
J. Appl. Spectrosc. 35, 888-891 (1981)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: CHCl3

k = 4.7 × 107(L mol-1 s-1)

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = MPDEE or PdMPDEE.


Lindig, B.A.; Rodgers, M.A.J.
Photochem. Photobiol. 33, 627-634 (1981)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: D2O (mic)

k = 1.4 × 106(L mol-1 s-1), pH = 7.4, T = 294K

Experimental method: Flash photolysis
Analytical method: vis-UV absorption
Data type: Absolute value measured directly using indicator
Excitation wavelength: 337 nm

Photosensitizer = 2'-Acetonaphthone; Indicator = 1,3-Diphenylisobenzofuran; 0.1 mol L-1 SDS or CTAB. [Sensitizer] = 1.1 × 10-3 (mol L-1). [Indicator] = 1 × 10-4 (mol L-1).


Miyoshi, N.; Tomita, G.
Z. Naturforsch., Teil B 35B, 107-111 (1980)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: c-C6H12 (mic)

k = 5.0 × 108(L mol-1 s-1), T = 313K

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

Photosensitizer = Fluorescein dianion; Indicator = 1,3-Diphenylisobenzofuran; used solvent kd = 5.9 × 104 s-1. DAP reverse micelles.


Salokhiddinov, K.I.; Dzhagarov, B.M.; Byteva, I.M.; Gurinovich, G.P.
Chem. Phys. Lett. 76, 85-87 (1980)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: CCl4

k = 4.7 × 107(L mol-1 s-1), T = 295K

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly

Photosensitizer = PdMPDME or MPDME; decay at 1588 nm; decay at 1272 nm gave 5 × 107 L mol-1 s-1.


Lion, Y.; Gandin, E.; Van de Vorst, A.
Photochem. Photobiol. 31, 305-309 (1980)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Reference Reaction: 2,2,6,6-Tetramethylpiperidin-4-ol + 1O2* ®
Solvent: EtOH

k = 6.4 × 106(L mol-1 s-1), kreference = 8 × 105(L mol-1 s-1)

Experimental method: Photolysis
Analytical method: electron spin resonance
Data type: Relative value measured by steady state method

Photosensitizer = Rose Bengal dianion. [Sensitizer] = 1 × 104 (mol L-1).


Lion, Y.; Gandin, E.; Van de Vorst, A.
Photochem. Photobiol. 31, 305-309 (1980)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Reference Reaction: 2,2,6,6-Tetramethylpiperidin-4-ol + 1O2* ®
Solvent: H2O

k = 2.8 × 108(L mol-1 s-1), pH = 8

Experimental method: Photolysis
Analytical method: electron spin resonance
Data type: Relative value measured by steady state method

Photosensitizer = Rose Bengal dianion. [Sensitizer] = 1 × 104 (mol L-1).


Miyoshi, N.; Tomita, G.
Z. Naturforsch., Teil B 35B, 107-111 (1980)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: MeOH

k = 5.4 × 108(L mol-1 s-1), T = 313K

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

Photosensitizer = Fluorescein dianion; Indicator = 1,3-Diphenylisobenzofuran. used solvent kd = 1.4 × 105 s-1.


Krasnovsky, A.A.,Jr.
Photochem. Photobiol. 29, 29-36 (1979)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: CCl4

k = 7 × 106(L mol-1 s-1)

Experimental method: Modulated photolysis
Analytical method: infrared luminescence
Data type: Derived from steady state measurements

Photosensitizer = PP, Ph a or BPh a; used solvent kd = 36s-1.


Krasnovsky, A.A.,Jr.; Kagan, V.E.
FEBS Lett. 108, 152-154 (1979)

Krasnovsky, A.A.,Jr.; Kagan, V.E.
Dokl. Biophys. 241-243, 147-150 (1978)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: CCl4

k = 6.6 × 106(L mol-1 s-1)

Experimental method: Modulated photolysis
Analytical method: infrared luminescence
Data type: Derived from steady state measurements
Excitation wavelength: 385 nm

Photosensitizer = (all-E)-Retinal. used solvent kd = 36 s-1. [Sensitizer] = £ 10-6 (mol L-1).


Timpe, G.I.; Klokova, E.M.; El'tsov, A.V.
J. Org. Chem. USSR 14, 625-630 (1978)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Reference Reaction: 1,2-Diphenyl-4-methylcyclopenta[b]quinoline + 1O2* ®
Solvent: C6H6

k = 1.4 × 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 = 1,2-Diphenyl-4-methylcyclopenta[b]quinoline. used solvent kd = 4.2 × 104 s-1.


Koka, P.; Song, P.-S.
Photochem. Photobiol. 28, 509-515 (1978)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Reference Reaction: Chlorophyll a + 1O2* ®
Solvent: EtOH

k = 3.1 × 107(L mol-1 s-1)

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

Photosensitizer = Rose Bengal dianion; Indicator = Chlorophyll a. used solvent kd = 1 × 105 s-1.


Monroe, B.M.
J. Phys. Chem. 81, 1861-1864 (1977)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: CHCl3

k = 5.2 × 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).


Zweig, A.; Henderson, W.A.,Jr.
J. Polym. Sci., Polym. Chem. Ed. 13, 717-736 (1975)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: C6H5CH3

k = 6.7 × 108(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 × 105 s-1; k for indicator = 1.7 × 108 L/(mol·s).


Fahrenholtz, S.R.; Doleiden, F.H.; Trozzolo, A.M.; Lamola, A.A.
Photochem. Photobiol. 20, 505-509 (1974)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: C5H5N

k = 3 × 108(L mol-1 s-1)

Experimental method: Modulated photolysis
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements using indicator

Photosensitizer = Indicator = Rubrene; used solvent kd = 6.0 × 104 s-1; k for indicator = 4 × 107 L/(mol·s).


Carlsson, D.J.; Suprunchuk, T.; Wiles, D.M.
Can. J. Chem. 52, 3728-3737 (1974)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Reference Reaction: Rub + 1O2* ®
Solvent: CH2Cl2, 90%, MeOH, 5%, C5H5N, 5%

k = 3.3 × 107(L mol-1 s-1), T = 298K

Experimental method: Chemical reaction
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements using indicator

Indicator = Rubrene, k for indicator = 7.3 × 107 L/(mol·s); 1O2* from (PhO)3PO3.


Carlsson, D.J.; Suprunchuk, T.; Wiles, D.M.
Can. J. Chem. 52, 3728-3737 (1974)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Reference Reaction: Rub + 1O2* ®
Solvent: Isooctane, 90%, Methanol, 5%, Pyridine, 5%

k = 3.9 × 107(L mol-1 s-1), T = 298K

Experimental method: Chemical reaction
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements using indicator

Indicator = Rubrene, k for Indicator = 7.3 × 107 L/(mol·s); used solvent kd = 4.7 × 104 s-1. 1O2* from (PhO)3PO3.


Carlsson, D.J.; Suprunchuk, T.; Wiles, D.M.
Can. J. Chem. 52, 3728-3737 (1974)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: Isooctane

k = 3.0 × 107(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 = 4.7 × 104 s-1; k for indicator = 7.3 × 107 L/(mol·s).


Guillory, J.P.; Cook, C.F.
J. Polym. Sci., Polym. Chem. Ed. 11, 1927-1937 (1973)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: C6H5Br

k = 2.6 × 107(L mol-1 s-1), T = 273K

Experimental method: Discharge
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements using indicator

Indicator = Rubrene; k for indicator = 4.0 × 107 L/(mol·s); used solvent kd = 1.3 × 104 s-1.


Young, R.H.; Martin, R.L.
J. Am. Chem. Soc. 94, 5183-5185 (1972)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: 1-BuOH

k = 4.5 × 106(L mol-1 s-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; used solvent kd = 5.2 × 104 s-1.


Smith, W.F.,Jr.
J. Am. Chem. Soc. 94, 186-190 (1972)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Reference Reaction: (C2H5)3N + 1O2* ®
Solvent: C5H5N

b = 3.2 × 10-4(mol L-1)

Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Derived from steady state measurements

Photosensitizer = Rose Bengal dianion; meas. kd/k = 0.00032 mol/L.


Smith, W.F.,Jr.
J. Am. Chem. Soc. 94, 186-190 (1972)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Reference Reaction: 2-Methyl-2-pentene + 1O2* ®
Solvent: C5H5N

b = 2.3 × 10-4(mol L-1)

Experimental method: Photolysis
Analytical method: oxygen consumption
Data type: Derived from steady state measurements

Photosensitizer = Rose Bengal dianion; meas. kd/k = 0.00023 mol/L.


Foote, C.; Peterson, E.R.; Lee, K.-W.
J. Am. Chem. Soc. 94, 1032-1033 (1972)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Reference Reaction: 2-Methyl-2-pentene + 1O2* ®
Solvent: C6H6

b = 9.6 × 10-4(mol L-1)

Experimental method: Photolysis
Analytical method: gas chromatography
Data type: Derived from steady state measurements

Photosensitizer = 5,10,15,20-Tetraphenylporphinatozinc(II); Indicator = 2-Methyl-2-pentene; meas. kd/k = 0.00096 mol/L.


Carlsson, D.J.; Mendenhall, G.D.; Suprunchuk, T.; Wiles, D.M.
J. Am. Chem. Soc. 94, 8960-8962 (1972)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Reference Reaction: Rub + 1O2* ®
Solvent: CH2Cl2, 94%, MeOH, 3%, C5H5N, 3%

k = 3.3 × 107(L mol-1 s-1), T = 298K

Experimental method: Chemical reaction
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements using indicator

Indicator = Rubrene, k for indicator = 7 × 107 L/(mol·s); used solvent kd = 7.3 × 103 s-1. 1O2* from (PhO)3PO3.


Foote, C.; Peterson, E.R.; Lee, K.-W.
J. Am. Chem. Soc. 94, 1032-1033 (1972)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Reference Reaction: 2-Methyl-2-pentene + 1O2* ®
Solvent: CS2

b = 1.7 × 10-4(mol L-1)

Experimental method: Photolysis
Analytical method: gas chromatography
Data type: Derived from steady state measurements

Photosensitizer = 5,10,15,20-Tetraphenylporphinatozinc(II); meas. kd/k = 0.00017 mol/L.


Yamase, T.; Kokado, H.; Inoue, E.
Bull. Chem. Soc. Jpn. 45, 726-731 (1972)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: EtOH

k = 5.3 × 106(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; Indicator = Hexamethylenedithiocarbamate; used solvent kd = 1 × 104 s-1; k for indicator = 1.5 × 108 L/(mol·s); meas. kA¢/(kd + k[A]) = 58 at [A] = 4.48 × 10-4 mol L-1.


Carlsson, D.J.; Mendenhall, G.D.; Suprunchuk, T.; Wiles, D.M.
J. Am. Chem. Soc. 94, 8960-8962 (1972)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Reference Reaction: Rub + 1O2* ®
Solvent: Isooctane, 94%, Methanol, 3%, Pyridine, 3%

k = 3.5 × 107(L mol-1 s-1), T = 298K

Experimental method: Chemical reaction
Analytical method: vis-UV absorption
Data type: Derived from steady state measurements using indicator

Indicator = Rubrene, k for indicator = 7 × 107 L/(mol·s); used solvent kd = 5.0 × 104 s-1. 1O2* from (PhO)3PO3.


Foote, C.; Peterson, E.R.; Lee, K.-W.
J. Am. Chem. Soc. 94, 1032-1033 (1972)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Reference Reaction: 2-Methyl-2-pentene + 1O2* ®
Solvent: MeOH

b = 6.5 × 10-3(mol L-1)

Experimental method: Photolysis
Analytical method: gas chromatography
Data type: Derived from steady state measurements using indicator

Photosensitizer = 5,10,15,20-Tetraphenylporphinatozinc(II); Indicator = 2-Methyl-2-pentene; meas. kd/k = 0.0065 mol/L.


Young, R.H.; Martin, R.L.
J. Am. Chem. Soc. 94, 5183-5185 (1972)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Solvent: MeOH

k = 7.3 × 106(L mol-1 s-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. used solvent kd = 9.0 × 104 s-1.


Foote, C.S.; Denny, R.W.; Weaver, L.; Chang, Y.; Peters, J.
Ann. N.Y. Acad. Sci. 171, 139-145 (1970)

Reaction: DABCO + 1O2* ® products and/or physical quenching
Reference Reaction: 2-Methyl-2-pentene + 1O2* ®
Solvent: C6H6, 80%, MeOH, 20%

k = 1.6 × 107(L mol-1 s-1), kreference = 2.5 × 105(L mol-1 s-1), T = 298K

Experimental method: Photolysis
Analytical method: gas chromatography
Data type: Derived from steady state measurements

Photosensitizer = Methylene Blue.


back...