Photoinduced electron transfer within porphyrin-cyclodextrin conjugates

被引：34
|
作者：
Lang, K [1 ]
Král, V
Kapusta, P
Kubát, P
Vasek, P
机构：
[1] Acad Sci Czech Republ, Inst Inorgan Chem, CZ-25068 Rez, Czech Republic
[2] Inst Chem Technol, Prague 16628 6, Czech Republic
[3] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Prague 18000 8, Czech Republic
[4] Acad Sci Czech Republ, J Heyrovsky Inst Phys Chem, Prague 18223 8, Czech Republic
来源：
TETRAHEDRON LETTERS | 2002年 / 43卷 / 28期
关键词：
porphyrin-cyclodextrin; chiral aggregate; quenching; electron transfer;
D O I：
10.1016/S0040-4039(02)00954-1
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Reaction of beta-cyclodextrin alcoholate with meso-tetrakis(pentaluorophenyl)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. (C) 2002 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：4919 / 4922
页数：4
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