3,4-Dihydroxycinnamic acid Singlet oxygen

Bensasson, R.V.; Rougee, M.
C. R. Acad. Sci., Ser. 3 307, 807-810 (1988)

Scurlock, R.; Rougee, M.; Bensasson, R.V.
Free Radical Res. Commun. 8, 251-258 (1990)

Reaction: 3,4-(HO)₂C₆H₃CH=CHCO₂H + ¹O₂^* ® products and/or physical quenching
Solvent: CD₃OD

k = 5.4 × 10⁵(L mol^-1 s^-1), T = 293K

Experimental method: Flash photolysis
Analytical method: infrared luminescence
Data type: Absolute value measured directly
Excitation wavelength: 532 nm

Photosensitizer = Hematoporphyrin IX. [Indicator] = 2.5× 10^-3-10 (mol L^-1).