5-Aminotetrazole as a building block for multicomponent reactions (review)
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© 2017 The Japan Institute of Heterocyclic Chemistry. 5-Aminotetrazole is a useful building block in organic synthesis, including various multicomponent reactions (MCRs). In MCRs, 5-aminotetrazole usually plays a role of 1,3-binucleophilic reagent, but in some reactions, the only reactive centre is an exocyclic amino group of 5-aminotetrazole. This review systematises MCRs involving 5-aminotetrazole forming a background for further investigations in this area.