(E,E)-1,4-Di(tert-butoxy)-1,3-butadiene Singlet oxygen

Clennan, E.L.; L'Esperance, R.P.; Lewis, K.K.
J. Org. Chem. 51, 1440-1446 (1986)

Reaction: (E,E)-1,4-Di(tert-butoxy)-1,3-butadiene + ¹O₂^* ® products and/or physical quenching
Solvent: CH₂Cl₂

k = 8.5 × 10⁷(L mol^-1 s^-1)

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

Photosensitizer = Mesoporphyrin IX, dimethyl ester; used solvent k_d = 1.0 × 10⁴ s^-1; Indicator = 1,3-Diphenylisobenzofuran. See also [85CLE/LES].

Clennan, E.L.; L'Esperance, R.P.; Lewis, K.K.
J. Org. Chem. 51, 1440-1446 (1986)

Reaction: (E,E)-1,4-Di(tert-butoxy)-1,3-butadiene + ¹O₂^* ® products and/or physical quenching
Solvent: CH₃CN

k = 2.0 × 10⁸(L mol^-1 s^-1)

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

Photosensitizer = Mesoporphyrin IX, dimethyl ester; Indicator = 1,3-Diphenylisobenzofuran; k_d not given.

Clennan, E.L.; L'Esperance, R.P.; Lewis, K.K.
J. Org. Chem. 51, 1440-1446 (1986)

Reaction: (E,E)-1,4-Di(tert-butoxy)-1,3-butadiene + ¹O₂^* ® products and/or physical quenching
Solvent: CH₃COCH₃

k = 9.1 × 10⁷(L mol^-1 s^-1)

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

Photosensitizer = Mesoporphyrin IX, dimethyl ester; used solvent k_d = 2.2 × 10⁴ s^-1; Indicator = 1,3-Diphenylisobenzofuran; see also [85CLE/LES].

Clennan, E.L.; L'Esperance, R.P.; Lewis, K.K.
J. Org. Chem. 51, 1440-1446 (1986)

Reaction: (E,E)-1,4-Di(tert-butoxy)-1,3-butadiene + ¹O₂^* ® products
Reference Reaction: (Z,Z)-1,4-Di(tert-butoxy)-1,3-butadiene + ¹O₂^* ®
Solvent: CH₃COCH₃

k_react = 9.6 × 10⁷(L mol^-1 s^-1), k_reference = 1.4 × 10⁷(L mol^-1 s^-1)

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

Photosensitizer = Mesoporphyrin IX, dimethyl ester.

Clennan, E.L.; L'Esperance, R.P.; Lewis, K.K.
J. Org. Chem. 51, 1440-1446 (1986)

Reaction: (E,E)-1,4-Di(tert-butoxy)-1,3-butadiene + ¹O₂^* ® products and/or physical quenching
Solvent: THF

k = 1.1 × 10⁸(L mol^-1 s^-1)

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

Photosensitizer = Mesoporphyrin IX, dimethyl ester; Indicator = 1,3-Diphenylisobenzofuran; k_d not given.