Nano–silica supported palladium catalyst: Synthesis, characterization and application of its activity in Sonogashira cross–coupling reactions
Zahra Dehbanipour - Majid Moghadam - Shahram Tangestaninejad - Valiollah Mirkhani - Iraj Mohammadpoor – Baltork
Zahra Dehbanipour - Majid Moghadam - Shahram Tangestaninejad - Valiollah Mirkhani - Iraj Mohammadpoor – Baltork
Department of Chemistry, Catalysis Division, University of Isfahan, Isfahan 81746 – 73441, Iran - Department of Chemistry, Catalysis Division, University of Isfahan, Isfahan 81746 – 73441, Iran - Department of Chemistry, Catalysis Division, University of Isfahan, Isfahan 81746 – 73441, Iran - Department of Chemistry, Catalysis Division, University of Isfahan, Isfahan 81746 – 73441, Iran - Department of Chemistry, Catalysis Division, University of Isfahan, Isfahan 81746 – 73441, Iran
چکیده
This study deals about preparation of palladium(II) complex of 3,5 – bis(2 –benzothiazolyl)pyridine supported on nano silica functionalized with trimethoxysilylpropyl chloride, Pd(II)Cl2 – P@TMSP – nSiO2. The synthesized heterogeneous catalyst was characterized by FT ‒ IR,UV – Vis spectroscopies, field emission scanning electron microscopy, energy dispersive X ‒ ray analysis, transmission electron microscopy and elemental analysis. Furthermore, the Pd (II)Cl2 –BTP@TMSP – nSiO2 was found as a highly efficient catalyst in the Sonogashira cross ‒ coupling of aryl halides (iodides, bromides and chlorides) with phenyl acetylene. This heterogeneous catalyst was easily recyclable and reused several times without significant loss of reactivity. Finally, its catalytic activity was compared with homogeneous catalyst to demonstrate the effect of supporting on the catalytic activity.کليدواژه ها
Sonogashira cross ‒ coupling, Palladium complex, Nano silica, Aryl halideنحوه استناد به مقاله
در صورتی که می خواهید در اثر پژوهشی خود به این مقاله ارجاع دهید، به سادگی می توانید از عبارت زیر در بخش منابع و مراجع استفاده نمایید:Dehbanipour , Zahra , 1398 , Nano–silica supported palladium catalyst: Synthesis, characterization and application of its activity in Sonogashira cross–coupling reactions , دومین کنفرانس ملی کاتالیست انجمن شیمی ایران
انتشار دهنده
محل انتشار : دومین کنفرانس ملی کاتالیست انجمن شیمی ایرانمشخصات برگزارکننده همایش : دانشگاه خوارزمي
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