Palladium-catalyzed benzothieno[2,3-b]indole formation via dehydrative–dehydrogenative double C–H sulfuration using sulfur powder, indoles and cyclohexanones?
Chemical Communications Pub Date: 2014-11-26 DOI: 10.1039/C4CC08370A
Abstract
Palladium-catalyzed C–S bond formation via dehydrative–dehydrogenative double C–H sulfuration using sulfur powder is described. The dehydrogenated intermediates of cyclohexanones can be trapped to act as efficient aryl sources under an oxygen atmosphere. This procedure provides a novel approach for the preparation of benzothieno[2,3-b]indoles.
![Graphical abstract: Palladium-catalyzed benzothieno[2,3-b]indole formation via dehydrative–dehydrogenative double C–H sulfuration using sulfur powder, indoles and cyclohexanones](http://scimg.chem960.com/usr/1/C4CC08370A.jpg)
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Journal Name：Chemical Communications
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CAS no.: 89640-58-4
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