Convergent/Divergent Synthesis and Photophysical Studies of Alternating Benzene-Furan Oligoaryls from Substituted Propargylic Dithioacetals

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题名:	Convergent/Divergent Synthesis and Photophysical Studies of Alternating Benzene-Furan Oligoaryls from Substituted Propargylic Dithioacetals
作者:	Chou, Chih-Ming;Chen,Wei-Qiang;Chen, Jia-Hong;Lin, Cheng-Lan;Tseng, Jui-Chang;Lee, Chin-Fa;Luh, Tien-Yau
贡献者:	淡江大學化學工程與材料工程學系
关键词:	annulation;band gaps;electrochemistry;fluorescence;oligomerization
日期:	2006-07
上传时间:	2013-05-31 11:39:36 (UTC+8)
出版者:	Weinheim: Wiley - VCH Verlag GmbH & Co. KGaA
摘要:	A range of oligoaryls that contain alternating benzene-furan rings is synthesized by a rapid convergent/divergent method from the annulation of a propargylic dithioacetal and an aldehyde with a propargylic dithioacetal moiety as a substituent. These oligomers are fairly soluble in a range of organic solvents and can be easily purified by reprecipitation. The substituents on the furan rings can be varied according to the substituents in the starting propargylic dithioacetals. This route provides a useful procedure for the synthesis of alternating benzene-furan oligomers without repeated units. These furan-containing oligoaryls are highly fluorescent in the visible region and are electrochemically active. The band gaps of these oligomers appear to be less sensitive towards changes in conjugation length than those of oligofurans.
關聯:	Chemistry–An Asian Journal 1-2, pp.46-55
DOI:	10.1002/asia.200600026
显示于类别:	[化學工程與材料工程學系暨研究所] 期刊論文

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