首页> 外文期刊>Chemistry: A European journal >Rhodium-Catalyzed Annulative Coupling of 3-Phenylthiophenes with Alkynes Involving Double C-H Bond Cleavages
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Rhodium-Catalyzed Annulative Coupling of 3-Phenylthiophenes with Alkynes Involving Double C-H Bond Cleavages

机译:铑催化的3-苯基噻吩与涉及双C-H键断裂的炔烃的环状偶联。

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摘要

Double C-H bond activation took place efficiently upon treatment of 3-phenylthiophenes with alkynes in the presence of a rhodium catalyst and a copper salt oxidant to form the corresponding naphthothiophene derivatives. Dehydrogenative coupling with alkenes was also found to occur on the phenyl moiety rather than the thiophene ring. These reactions provide straightforward synthetic methods for p-conjugated molecules involving a thiophene unit from readily available, simple building blocks.
机译:在铑催化剂和铜盐氧化剂的存在下,用炔烃处理3-苯基噻吩可有效地进行双C-H键活化,以形成相应的萘噻吩衍生物。还发现与烯烃的脱氢偶联发生在苯基部分而不是噻吩环上。这些反应从容易获得的简单结构单元为涉及噻吩单元的p-共轭分子提供了简单的合成方法。

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