Synthesis, Characterization, and Properties of Anthracene-Bridged Bimetallic Ruthenium Vinyl Complexes [RuCl(CO)(PMe3)3]2(μ-CH═CH-anthracene-CH═CH)
作者： Ya-Ping Ou , Chuanyin Jiang , Di Wu , Jianlong Xia , Jun Yin
DOI: 10.1021/OM200622Q
关键词: Steric effects 、 Moiety 、 Conjugated system 、 Fluorescence 、 Anthracene 、 Bimetallic strip 、 Chemistry 、 Ruthenium 、 Absorption spectroscopy 、 Photochemistry
摘要: Four anthracene-based bimetallic ruthenium vinyl complexes, in which two units are attached at different positions (the 9,10-, 1,5-, 2,6-, and 1,8-positions) of the anthracene moiety, have been synthesized by treating appropriate ethynes with [RuHCl(CO)(PPh3)3]. These complexes thoroughly characterized NMR, X-ray diffraction, elemental analysis. According to single-crystal structures, 2,6-disubstituted complex has a more planar structure compared 9,10-disubstituted complex, possibly because it less steric hindrance. Furthermore, we investigated optical electronic properties these such as their UV/vis absorption spectra, fluorescence electrochemical properties. The results indicated that displayed strongest emission due its organic conjugated bridge, ...
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