Efficient Synthesis of 9,10-Bis(phenylethynyl)anthracene Derivatives by Integration of Sonogashira Coupling and Double-Elimination Reactions
作者:Shinji Toyota、Daiki Mamiya、Rie Yoshida、Ryo Tanaka、Tetsuo Iwanaga、Akihiro Orita、Junzo Otera
DOI:10.1055/s-0032-1316867
日期:——
integrated process was applied to the synthesis of an extended BPEA derivative having an extra phenylethynyl group. The photophysical properties of the BPEA derivatives were investigated by UV/Vis and fluorescence spectroscopy. 9,10-Bis(phenylethynyl)anthracene (BPEA) derivatives were synthesized from 10-bromo-9-anthracenecarbaldehyde by stepwise Sonogashira coupling with phenylethynes and the one-shot double-elimination
摘要 通过10-溴-9-蒽甲醛与苯乙炔的逐步Sonogashira偶联反应和苄基苯基砜的单次双消除反应合成了9,10-双(苯基乙炔基)蒽(BPEA)衍生物。可以通过一锅法将这两个反应整合在一起,从而通过简单的操作即可获得高收率的不对称取代的BPEA衍生物。该集成方法用于合成具有额外苯基乙炔基的扩展BPEA衍生物。通过紫外/可见光和荧光光谱研究了BPEA衍生物的光物理性质。 通过10-溴-9-蒽甲醛与苯乙炔的逐步Sonogashira偶联反应和苄基苯基砜的单次双消除反应合成了9,10-双(苯基乙炔基)蒽(BPEA)衍生物。可以通过一锅法将这两个反应整合在一起,从而通过简单的操作即可获得高收率的不对称取代的BPEA衍生物。该集成方法用于合成具有额外苯基乙炔基的扩展BPEA衍生物。通过紫外/可见光和荧光光谱研究了BPEA衍生物的光物理性质。