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Keywords:

  • diphenylmethane;
  • Friedel–Crafts;
  • gallium;
  • heterogeneous catalysis;
  • mesoporous materials
Thumbnail image of graphical abstract

Green catalytic boat The cover picture shows the eco-friendly synthesis of diphenylmethane by using a gallosilicate with a 3 D porous structure. In their Full Paper on p. 1863 ff., C. Anand, A. Vinu et al. demonstrate the role of gallium in the KIT-6 molecular sieves on the Friedel–Crafts alkylation of aromatics. The prepared highly stable and recyclable catalyst shows a high activity even at reaction temperatures as low as 313 K with a high benzylchloride conversion and diphenylmethane selectivity.