Use of Stable Amine-Capped Polyynes in the Regioselective Synthesis of Push–Pull Thiophenes

作者: Bartłomiej Pigulski , Patrycja Męcik , Jakub Cichos , Sławomir Szafert

DOI: 10.1021/ACS.JOC.6B02685

关键词:

摘要: The reactions of a series 1-halopolyynes with secondary amines led to novel amine end-capped polyynes exhibiting surprisingly high stability toward moisture. new compounds were characterized by NMR spectroscopy, ESI-MS spectrometry, and X-ray single-crystal diffractometry. use as precursors substituted push–pull thiophenes was next presented. results show the first—to best our knowledge—transformation ynamine thiophene first regioselective transformation longer butadiyne-substituted thiophene. Photophysical studies resulting that some have quantum yield photoluminescence upon UV light irradiation.

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