An efficient and selective Cu-catalysed hydrohydrazination of terminal alkynes with parent hydrazine is reported. The methodology tolerates a broad range of functional groups, allows for the synthesis of symmetrical and unsymmetrical azines, and can be extended to hydrazine derivatives and amines.
J. L. Peltier, R. Jazzar, M. Melaimi and G. Bertrand, Chem. Commun., 2016, 52, 2733 DOI: 10.1039/C5CC10427K
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