Synthesis and photo-physical properties of methoxy-substituted π-conjugated-2,2′-bipyridines

被引:12
作者
Chatterjee, Tanmay [1 ]
Sarma, Monima [1 ]
Das, Samar K. [1 ]
机构
[1] Univ Hyderabad, Sch Chem, Hyderabad 500046, Andhra Pradesh, India
关键词
2,2 ' Bipyridine; Wordsworth-Emmons reaction; Fluorescence; Push-pull molecules; BIPYRIDYL METAL-COMPLEXES; OPTICAL-PROPERTIES; CHROMOPHORES; RUTHENIUM(II); RECOMBINATION;
D O I
10.1016/j.tetlet.2010.02.027
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
4,4'-Bis-vinly-2,2' bipyridines have been known in the area of materials chemistry since last few decades. Bipyridine molecules bearing donor substituents in their pi backbone are examples of 'push-pull' molecules. Emissive properties of such ligands depend on the position of the donor unit in their pi backbone. The Horner-Wordsworth-Emmons reaction has been used extensively to synthesize such types of conjugated systems. Three newly synthesized highly conjugated 2,2' bipyridines (3a-c) have been described. The molecules 3a-c are highly emissive in the visible region at room temperature. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码:1985 / 1988
页数:4
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