Regioselective Synthesis of Tetraphenyl-1,3-butadienes with Aggregation-Induced Emission

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Title:	Regioselective Synthesis of Tetraphenyl-1,3-butadienes with Aggregation-Induced Emission
Authors:	Yamuna Ezhumalai, Tsai-Hui Wang, and Hsiu-Fu Hsu*
Date:	2015-02-06
Issue Date:	2016-01-06 11:07:13 (UTC+8)
Abstract:	In the presence of substoichiometric amounts of Co2(CO)8, internal bisarylalkynes undergo reductive dimerization with good to excellent yields. The Co2(CO)8-induced reactions described are experimentally quite simple and provide a very useful synthetic procedure for the synthesis of tetraphenylbutadienes which exhibit aggregation-induced emission enhancement, i.e., weak emission in good solvents but strong fluorescence in solvents that lead toward formation of aggregates or in the solid state.
Relation:	Organic Letters 17(3), pp.536-539
DOI:	10.1021/ol503397t
Appears in Collections:	[Graduate Institute & Department of Chemistry] Journal Article

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