文献详情
Synthesis and Photophysical Properties of Chalcophenes-Embedded Cycloparaphenylenes
文献类型：期刊
期刊名称：The Journal of organic chemistry
年：2019
卷：84
期：9
页码：5230-5235
ISSN：1520-6904
所属部门：化学系
摘要：[ n]Cyclo-4,4'-biphenylene-2″,5″-thienylenes ([ n]CP2T, n = 3, 4), [ n]cyclo-4,4'-biphenyl-ene-2″,5″-selenylenes ([ n]CP2S, n = 3, 4), and [ n]cyclo-4,4'-biphenylene-2″,5″-ethylenedioxythienylenes ([ n]CP2E, n = 3) were synthesized in few steps with high overall yields. These nanorings were prepared through platinum-mediated cyclooligomerization of 2,5-bis(4-pinacolboryl-phenyl)chalcophenes. The X-ray crystallographic analysis of [4]CP2S showed that it employed a cone-shaped conformation in the ...More
[ n]Cyclo-4,4'-biphenylene-2″,5″-thienylenes ([ n]CP2T, n = 3, 4), [ n]cyclo-4,4'-biphenyl-ene-2″,5″-selenylenes ([ n]CP2S, n = 3, 4), and [ n]cyclo-4,4'-biphenylene-2″,5″-ethylenedioxythienylenes ([ n]CP2E, n = 3) were synthesized in few steps with high overall yields. These nanorings were prepared through platinum-mediated cyclooligomerization of 2,5-bis(4-pinacolboryl-phenyl)chalcophenes. The X-ray crystallographic analysis of [4]CP2S showed that it employed a cone-shaped conformation in the solid state. Furthermore, their photophysical properties were investigated by using the UV-vis absorption spectra and fluorescence spectra. In particular, selenophene and 3,4-ethylenedioxythiophene-embedded cycloparaphenylenes, which showed significant red shifts in the UV-vis absorption and fluorescence spectra compared with thiophene analogues, are reported here for the first time. ...Hide

DOI：10.1021/acs.joc.9b00207
百度学术：Synthesis and Photophysical Properties of Chalcophenes-Embedded Cycloparaphenylenes
语言：外文
人气指数：6
浏览次数：6
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