Synthesis, Structures, and Temperature-Dependent Photoluminescence of 1,4-Diphenyl-1-telluro-1,3-butadiene Incorporated in a Dibenzobarrelene Skeleton and Derivatives

被引：22

作者：

Annaka, Tatsuro ^{[1
]}

Nakata, Norio ^{[1
]}

Ishii, Akihiko ^{[1
]}

机构：

[1] Saitama Univ, Dept Chem, Grad Sch Sci & Engn, Sakura Ku, Saitama 3388570, Japan

来源：

ORGANOMETALLICS | 2015年 / 34卷 / 07期

基金：

日本学术振兴会;

关键词：

CENTER-DOT-BR; CRYSTAL-STRUCTURE; RIGID DIBENZOBARRELENE; EXCITATION-ENERGIES; FACILE SYNTHESIS; FLUORESCENCE; TELLURIUM; SELENIUM; SYSTEMS; OXYGEN;

D O I：

10.1021/acs.organomet.5b00016

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

1,4-Diphenyl-1-telluro-1,3-butadiene incorporated in a dibenzobarrelene skeleton was synthesized with a good yield by an intramolecular DielsAlder reaction of the corresponding 1-(9-anthyltelluro)enyne. Oxidation and bromination of the telluride yielded telluroxide and hypervalent Te,Te-dibromide, respectively. Their structures were determined by X-ray crystallography. Unlike its highly fluorescent sulfur and selenium congeners, the telluride is barely fluorescent in solution at room temperature due to the heavy-atom effect of tellurium. The telluride displayed temperature-dependent fluorescence; it is fluorescent with a moderate quantum yield (Phi(PL) = 0.42) in the glass of 2-methyltetrahydrofuran at 77 K.

引用

页码：1272 / 1278

页数：7

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