Some Al / M alloys (M = Fe, Co, Ni, Cu) with different element ratios and phase composition were activated with a liquid Ga / In eutectic at 150 ° C in a vacuum glass reactor for about 2 hours. This method of activation of binary aluminum alloys is very important in catalysis due to the increased reactivity of aluminum and these alloys with respect to chlorine-containing compounds. The corresponding interactions lead to the formation of metal-aluminum chloride complexes, which are active in many practically important low-temperature reactions of hydrocarbons.Some Al / M alloys (M = Fe, Co, Ni, Cu) with different element ratios and phase composition were activated with a liquid Ga / In eutectic at 150 ° C in a vacuum glass reactor for about 2 hours. This method of activation of binary aluminum alloys is very important in catalysis due to the increased reactivity of aluminum and these alloys with respect to chlorine-containing compounds. The corresponding interactions lead to the formation of metal-aluminum chloride complexes, which are active in many practically important low-temperature reactions of hydrocarbons.