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A conjugated polymer P-1 based on benzoselenadiazole was synthesized by the polymerization of 1,4-bis[3′-(N,N-diethylamino)-1′-oxapropyl]-2,5-diiodobenzene (M-1) and 4,7-diethynylbenzoselenadiazole (M-2) via Pd-catalyzed Sonogashira–Hagihara coupling reaction. The water-soluble conjugated polyelectrolyte P-2 was obtained by the reaction of P-1 with ethyl bromide. The responsive optical properties...
A novel‐donor‐π‐acceptor‐type conjugated polymer based on the benzo[c][1,2,5]selenadiazole moiety and the fluorene group via an alkyne module is prepared by the the Sonogashira–Hagihara reaction. The polymer displays an absorption peak at a longer wavelength at 477 nm and shows orange fluorescence at 576 nm. The responsive optical properties of the polymer on various metal ions are investigated by...
Three novel donor-π-acceptor (D-π-A) type conjugated polymers P-1, P-2, and P-3 based on benzo[c][1,2,5]selenadiazole moiety and phenyl or naphthyl group via alkyne module were firstly prepared by Sonogashira–Hagihara reaction of various diiodo aryl compounds with the key monomer 4,7-diethynylbenzo[c] [1,2,5]selenadiazole (M-1), which was synthesized by a strategy of firstly introducing the trimethylsilylacetylene...
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