A hydrotreating NiMo/γ-Al2O3 catalyst (12 wt% Mo and 1,1 wt% Ni) was prepared by impregnation of the support with the Anderson-type heteropolyoxomolybdate (NH4)4
A rapid and efficient procedure for the preparation of various aryl-14H-dibenzo[a.j]xanthenes was reported.The method developed produced excellent yields via on