Construction of bis-, tris- and tetrahydrazones by addition of azoalkenes to amines and ammoniaстатья
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Дата последнего поиска статьи во внешних источниках: 19 сентября 2017 г.
Аннотация:Exhaustive Michael-type alkylations of amines and ammonia with azoalkenes (generated from α-halohydrazones) were demonstrated as an efficient approach to poly(hydrazonomethyl)amines – a novel class of polynitrogen ligands. An intramolecular cyclotrimerization of C=N bonds in tris(hydrazonomethyl)amine to the respective 1,4,6,10-tetraazaadamantane derivative was demonstrated.