Tetrahedron p. 6405 - 6410 (1986)
Update date:2022-08-05
Topics:
Ellison, Dean K.
Trulove, Paul C.
Iwamoto, Reynold T.
A photoelectrochemical approach to the alkylation of 1-alkylpyridinium ion is described.Photolysis of a suspension of Pt-coated TiO2 (anatase) powder in an aqueous medium containing isobutyric acid and 1-ethylpyridinium perchlorate (pH 3-4) yielded 4-isopropyl-1-ethylpyridinium ion.Sevently percent of the isopropyl radicals generated at the TiO2 anode sites by the photo-Kolbe process were found to have alkylated 1-ethylpyridinium ion, in the 4-position, with the remaining 30percent being reduced to propane.
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