title: Ultrasonic pretreatment of liquid NaK metal catalyst for side-chain alkenylation of o-xylene with 1,3-butadiene.
abstract: The effects of sonochemical treatment of a NaK eutectic mixture as catalyst on the side-chain alkenylation of o-xylene with 1,3-butadiene were studied. The parameters studied include ultrasound frequency, insonation time, sonication power as well as the reaction temperature. In addition, the effect of N,N,N',N'-tetramethylethylenediamine (TMEDA) on the reaction was also studied. The results showed that sonochemical treatment of this NaK eutectic mixture catalyst resulted in excellent conversion (up to 83.16%) under mild conditions. The introduction of TMEDA further increased the conversion to 89.4%.
authors.affiliation: Key Laboratory for Green Chemical Technology of the Ministry of Education, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, PR China.
authors.forename: Leizheng
authors.initials: L
authors.lastname: Wang
authors.forename: Jiaming
authors.initials: J
authors.lastname: Zheng