Cu-Catalyzed direct cyanation of terminal alkynes with AMBN or AIBN as the cyanation reagent†
Abstract
A Cu-catalyzed direct cyanation of terminal alkynes was reported with broad substrate generality in moderate to high yield, and AMBN (azobisisoamylonitrile)/AIBN (azobisisobutyronitrile) were used as less toxic and effective cyanating sources in open air. Interestingly, addition products were selectively achieved as the major product under the same conditions in argon.
 
                



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