Masoumeh FARIMANEH, Giuseppe BRUNO, Anahid SANEEI, Mostafa GHOLIZADEH, Mohammad Reza HOUSAINDOKHT, Mehrdad POURAYOUBI, Hadi AMIRI RUDBARI

Crystal structure and Hirshfeld surface analysis of 1,2-ethylene-bis (para-methyl pyridinium) dichromate as a new selective and mild agent in oxidation of alcohols

1,2-Ethylene-bis(para-methyl pyridinium) dichromate, (C14 H18 N2)[Cr 2 O7 ], is used as a new oxidizing agentin conversion of some alcohols to their corresponding carbonyl compounds in CH3 CN solvent and also under solvent-freeconditions. In both procedures, high conversion percentages are observed. However, a much shorter reaction time isachieved in solvent-free conditions. For allylic alcohols, the C=C bond is not oxidized and the examined saturatedalcohol in this work (i.e. cyclo-hexanol) remains intact, which illustrates the mild nature of reagent used. The structureof the reagent is investigated by single-crystal X-ray diffraction analysis. The C–H· · · O and O· · · π interactions are themost important features of crystal packing, which are visualized by the Hirshfeld surface map.

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