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Aluminium Salt of Phosphomolybdic Acid Fabricated by Nanocasting Strategy: An Efficient System for Selective Oxidation of Benzyl Alcohols

  • Aliyan, Hamid ;
  • Fazaeli, Razieh ;
  • Habibollahi, Nasibeh
  • Received : 2012.04.09
  • Accepted : 2012.07.30
  • Published : 2012.10.20

Abstract

Preparation of $AlPMo_{12}O_{40}$ (AlPMo) salts, supported on mesostructured SBA-15 silica, by the reaction deposition strategy causes the formation of isolated AlPMo nanocrystals inside the nanotubular channels. The remarkable characteristic of the SBA-15 structure is that all the cylindrical pores are connected by some small channels. This makes the whole pore system in SBA-15 three-dimensional. We have used 2D hexagonal SBA-15 silicas as hard templates for the nanofabrication of AlPMo salt nanocrystal. The oxidation of alcohols occurs effectively and selectively with $H_2O_2$ as the oxidant. AlPMo salt nanocrystal was used as the catalyst.

Keywords

Nanocasting;Mesoporous silica SBA-15;Green chemistry;Polyoxometalates (POMs)

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