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Vahid Khakyzadeh,Amir Ehsani,Rafael Luque 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.111 No.-
A novel highly ordered network based on shed snakeskin has been employed as a sustainable/naturaltemplate, to fabricate efficient heterogeneous cobalt composite as catalyst by a nano-casting process. Characterization of the Cobalt nano-catalyst was investigated by several analysis methods includingTEM, FESEM-EDS mapping, XRD, XPS, TGA, ICP, Raman, ATR, and N2 sorption and results verified thepreparation of a nano-catalyst with highly ordered perforated structure, uniform pore size distribution,high surface area, and high stability. The nano-cobalt particles were uniformly disposed on the supportwith a particle size of about 100 nm, validated by various analysis methods. The catalytic performance ofthe synthesized catalyst was evaluated in the Suzuki-Miyaura reaction for Csp2 –Csp2 bond formation in highyields (up to 97%) and excellent reactivity. The catalyst could also be recycled for at least 10 reaction runswithout almost losing its activity (less than 10% after 10 runs).
Mohammad Ali Zolfigol,Ardeshir Khazaei,Ahmad Reza Moosavi-Zare,Abdolkarim Zare,Zhila Asgari,Vahid Khakyzadeh,Alireza Hasaninejad 한국공업화학회 2013 Journal of Industrial and Engineering Chemistry Vol.19 No.3
Novel ionic liquid 1,3-disulfonic acid imidazolium hydrogen sulfate {[Dsim]HSO4} efficiently catalyzes the synthesis of 1,2,4,5-tetrasubstituted imidazoles via the one-pot multi-component condensation of benzyl with aldehydes, primary amines and ammonium acetate at 90 8C under solvent-free conditions. Dual hydrogen-bond donors can be used to direct the assembly of this catalyst and the efficiency of it.