STUDIES OF THE ANTENNA EFFECT IN POLYMER-MOLECULES .29. ISOMERIZATIONOF PROVITAMIN D-3 PHOTOSENSITIZED BY POLYMERS CONTAINING PENDANT NAPHTHALENE GROUPS
M. Nowakowska et Je. Guillet, STUDIES OF THE ANTENNA EFFECT IN POLYMER-MOLECULES .29. ISOMERIZATIONOF PROVITAMIN D-3 PHOTOSENSITIZED BY POLYMERS CONTAINING PENDANT NAPHTHALENE GROUPS, Journal of photochemistry and photobiology. A, Chemistry, 107(1-3), 1997, pp. 189-194
The photosensitized isomerization of provitamin D-3 was studied in THF
solutions of styrene-2-vinylnaphthalene copolymers, poly(2- vinylnaph
thalene), poly(2-isopropenylnaphthalene) and poly(acenaphthalene). The
effect of efficiency of excimer formation and energy migration on the
quantum efficiency of previtamin formation was demonstrated. (C) 1997
Elsevier Science S.A.