Citation
Tg. Dax et H. Falk, An unusual photoreaction of 3,4-di-O-benzyl-hypericin, MONATS CHEM, 131(11), 2000, pp. 1217-1219
Citations number
4
Categorie Soggetti
Chemistry
Journal title
MONATSHEFTE FUR CHEMIE
ISSN journal
00269247
→ ACNP
Volume
131
Issue
11
Year of publication
2000
Pages
1217 - 1219
Database
ISI
SICI code
0026-9247(200011)131:11<1217:AUPO3>2.0.ZU;2-#
Abstract
Upon irradiation of 3,4-di-O-benzyl-hypericin and proton sponge (bis-1,8-N,
N-dimethylamino-naphthalene) in benzene solution, a stable radical ion pair
formed which exhibited an intense absorption band around 800nm. This was a
dvanced by UV/Vis, NMR, and ESR spectroscopy. In presence of oxygen, irradi
ation of this photoproduct led to an activated oxygen species which then at
tacked the proton sponge.