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Keywords:

  • heterogeneous catalysis;
  • mesoporous materials;
  • oxidation;
  • titanium;
  • zeolites
Thumbnail image of graphical abstract

Rich man, pore man: A facile and universal route to mesoporous zeolite TS-1 (MTS-1) is reported. Compared with mesoporous-free TS-1, the MTS-1 zeolite shows extraordinarily catalytic activity and highly controllable chemoselectivity for the oxidation of sulfides into sulfoxides or sulfones. Based on the catalytic data, the Ti[BOND]hydroperoxo (η2) group is proposed to be the active site for the oxidation of sulfides into sulfoxides and sulfones.