【摘 要】
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Main observation and conclusionrnHerein,we report the synthesis of N-heterocycles by borane-catalyzed dehydrogenative cyclization of 2-cyclopropyl-N,N-dimethyl-
【机 构】
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State Key Laboratory and Institute of Elemento-Organic Chemistry,College of Chemistry,Nankai Univers
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Main observation and conclusionrnHerein,we report the synthesis of N-heterocycles by borane-catalyzed dehydrogenative cyclization of 2-cyclopropyl-N,N-dimethyl-anilines.Borane-mediated cyclopropane ring-opening and borane-mediated hydride abstraction from an N-methyl group are the key steps.The substituent at the cyclopropyl unit was found to greatly influence the reaction pathway and thus determined the major reaction product.
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