Attilio Arienti, Franca Bigi, Raimondo Maggi, Pietro Moggi, Massimo Rastelli, Giovanni Sartori and Alessandra Trerè
Zeolite HSZ-360 promotes the conversion of hydroxylated biaryls to dibenzofuran derivatives in satisfactory yields and excellent selectivities. Clays and amorphous silica–alumina are inert or less effective.