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ISSN 2063-5346
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AMINATION OF ALCOHOLS CATALYSED BY MOLYBDENUM SPECIES PROMOTED HYDRATED ALUMINA

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Shanty Mathew, Nagaraju N
» doi: 10.31838/ecb/2023.12.si4.238

Abstract

Al(OH)3, Zr(OH)4 and MgO supports were impregnated with ammonium heptamolybdate by incipient wetness to obtain 5 wt % Mo containing supports. Materials thus prepared were characterized through % composition of Mo, surface area, X- ray diffraction pattern, and FTIR spectroscopy. Catalytic activity measurements were carried out in amination of benzyl alcohol. N- benzyl aniline (NBA) was the major product formed when aniline was used for amination of benzyl alcohol. NBA was formed only over Mo/Al(OH)3 and Mo/Zr(OH)4, but not over Mo/MgO catalysts. NBA is formed with higher yield over Mo/ Al(OH)3 catalyst. The influence of change in molar ratio of the reactants, duration of the reaction, weight of the catalyst and the effect of solvents have been determined using Mo/ Al(OH)3 catalyst over the reaction between benzyl alcohol and aniline. In addition, amination of benzyl alcohol using aliphatic, cyclic and side chain substituted amines over Mo/Al(OH)3 are also reported in this paper.

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