The synthesis and complexation studies of thia-anthracene receptors

被引：13

作者：

Ostaszewski, R

Prodi, L

Montalti, M

机构：

[1] Polish Acad Sci, Inst Organ Chem, PL-01224 Warsaw, Poland

[2] Univ Bologna, Dipartimento Chim G Ciamician, I-40126 Bologna, Italy

来源：

TETRAHEDRON | 1999年 / 55卷 / 38期

关键词：

D O I：

10.1016/S0040-4020(99)00654-7

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Systematic studies towards the formation of thia-anthracene receptors were performed. Anthracene podand 3 consisting of two anthryl groups connected by the SCH2CH2CH2S spacer group was prepared in 99% yield. The complexation properties of this compound were investigated using UV-VIS and fluorescence titration techniques. Addition of silver salts into a solution of the fluorophore strongly modifies the absorption and fluorescence spectra and the association constants were found to be K-1 = 2 x 10(5) and K-2 = 8 x 10(4) M-1 for the 1:1 and 1:2 complexes, respectively. Addition of metal ions, as Cu2+, Zn2+, Cd2+, Hg2+, Ni2+, and Co2+, did not lead to any change in the photophysical properties of compound 3. (C) 1999 Published by Elsevier Science Ltd. All rights reserved.

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页码：11553 / 11562

页数：10

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