A novel modified active carbon surported ferric chloride catalyst(MAC-Fe Cl3) has been developed, which has been characterized by IR and ICP. MAC-Fe Cl3 exhibited excellent catalytic activities for one-pot synthesis of 2,4,5-triaryl imidazoles and 1,2,4,5-tetraaryl imidazoles from ammonium acetate, benzil, aromatic aldehydes or primary amines. The catalyst could be recycled easily and the activity of catalyst maintains stability after reused for 4 times, which makes this methodology has the advantages of go...
Received June 26,2014;revised August 8,2014;published online August 28,2014.Project supported by the Natural Science Foundation of Hebei Province(No.B2013408014)and the Key Foundation of Langfang Teachers University(No.LSLZ201402).多取代咪唑类化合物包括三