Thiophene-Fused 1,10-Phenanthroline and Its Conjugated Polymers

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• 作者：Tingting Wang ; Hongyan Wang ; Guangwu Li ; Mengwei Li ; Zhishan Bo ; Yulan Chen
• 刊名：Macromolecules
• 出版年：2016
• 出版时间：June 14, 2016
• 年：2016
• 卷：49
• 期：11
• 页码：4088-4094
• 全文大小：493K
• 年卷期：0
• ISSN：1520-5835

文摘

A novel type of π-extended 1,10-phenanthroline, specifically with fused thiophene groups at the less exploited 3-, 4-, 7-, and 8-positions of the phenanthroline ring, and its conjugated polymers were designed and synthesized. The current developed route is based on the Bischler–Napieralski cyclization of the (1,2-phenylene)diamide precursor, which offers a facile and versatile strategy for preparing soluble and well-defined 1,10-phenanthroline derivatives and their analogues. High molecular weight poly(phenanthroline-co-fluorene)s with good solubility in common organic solvents or water were prepared by palladium-catalyzed Suzuki–Miyaura–Schlüter polycondensation. The optical responsive properties of these thiophene-fused 1,10-phenanthroline-containing polymers have demonstrated these polymers could be a good candidate for potential applications as luminescent chemosensor materials thanks to the specific repeating unit along the backbone.