Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
FOLDESPAPP, Z; GERBER, G; STOSSER, R; SCHNEIDER, G.
DETECTION OF RADICALS AT THE PHOTOLYSIS OF TERT-BUTYL HYDROPEROXIDE IN DMSO AND WATER
J PRAKT CHEM. 1991; 333(2): 293-301.
Doi: 10.1002/prac.19913330215
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- Abstract:
- The decomposition of tert-butyl hydroperoxide by photochemically induced reactions in DMSO2) and water was investigated by cw-e.s.r. spectroscopy. The products tert-butylperoxyl, methyl and sulfur-centered free radicals were identified. The tert-butoxyl free radical is involved in the primary process as shown by time-resolved e.s.r. technique. On the basis of directly identified radical species, a mechanism for the photochemically induced reactions of tert-butyl hydroperoxide in DMSO is proposed. At concentrations below 0.8 mol.l-1 the radical formation from tert-butyl hydroperoxide proceeds by cleavage of the O-O bond rather than by hydrogen abstraction.