Vidal-Albalat, Andreu Rodríguez, Santiago González, Florenci V. Nitroepoxides as Versatile Precursors to 1,4-Diamino Heterocycles Nitroepoxides are easily transformed into 1,4-diamino heterocycles such as quinoxalines and pyrazines by treatment with 1,2-benzenediamines and ammonia, respectively. Additionally, related saturated heterocycles, such as piperazines and tetrahydroquinoxalines, can be accessed by treatment with 1,2-diamines and a reducing agent. These transformations are efficient, provide access privileged, bioactive structures, and produce minimal waste. diamino;diamine;Versatile Precursors;agent;ammonia;quinoxaline;heterocycle;Nitroepoxide;access;transformation;HeterocyclesNitroepoxide;tetrahydroquinoxaline;bioactive structures;benzenediamine;piperazine;pyrazine;Diamino 2014-03-21
    https://acs.figshare.com/articles/journal_contribution/Nitroepoxides_as_Versatile_Precursors_to_1_4_Diamino_Heterocycles/2313139
10.1021/ol500444z.s001