✦ LIBER ✦

Photoinduced electron transfer within porphyrin–cyclodextrin conjugates

✍ Scribed by Kamil Lang; Vladimı́r Král; Petr Kapusta; Pavel Kubát; Petr Vašek

Book ID: 104251372
Publisher: Elsevier Science
Year: 2002
Tongue: French
Weight: 144 KB
Volume: 43
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(02)00954-1

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✦ Synopsis

Reaction of b-cyclodextrin alcoholate with meso-tetrakis(pentafluorophenyl)porphyrin under mild conditions afforded a hydrophilic cyclodextrin-porphyrin conjugate in 14% yield. The conjugate showed a marked tendency to form chiral assemblies in aqueous solutions. Photoinduced electron transfer, occurring within the conjugate monomer or aggregate, between the porphyrin moiety and a guest molecule accommodated in the cyclodextrin cavity was investigated by fluorescence spectroscopy.

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