01316nas a2200289   4500008004100000022001400041245008000055210006900135260000800204300001100212490000800223520045700231653001900688653000800707653001800715653002500733653001900758653002000777100001800797700002000815700001800835700002000853700001900873700001600892700001900908856009900927       2021                        eng d  a0926-337300aCuO as a reactive and reusable reagent for the hydrogenation of nitroarenes0 aCuO as a reactive and reusable reagent for the hydrogenation of   cNOV  a1204170 v2973 a{Copper oxide (CuO) is used as a reusable solid reagent for hydrogenation of nitroarenes to aminoarenes. The use of CuO resulted in 100 % conversion of 2.9 mmol of nitrobenzene to aniline in 45 s at room temperature using hydrazine hydrate as the reducing agent. During the reaction, CuO is converted to inactive metallic Cu which can be regenerated to active CuO by thermal oxidation. DFT simulations indicated facile formation of oxygen vacancies (EO10aCopper vacancy10aCuO10aHydrogenation10aNitroarene reduction10aOxygen defects10aReactive solids1 aRajendran, K.1 aPandurangan, N.1 aVinod, C., P.1 aKhan, Tuhin, S.1 aGupta, Shelaka1 aHaider, Ali1 aJagadeesan, D.  uhttps://library.ncl.res.in/content/cuo-reactive-and-reusable-reagent-hydrogenation-nitroarenes