Fe<sub>3</sub>O<sub>4</sub>@Boehmite-NH<sub>2</sub>-Co<sup>II</sup> NPs: an inexpensive and highly efficient heterogeneous magnetic nanocatalyst for the Suzuki–Miyaura and Heck–Mizoroki cross-coupling reactions
作者:Arezou Mohammadinezhad、Batool Akhlaghinia
DOI:10.1039/c7gc02647a
日期:——
the synthesis of a magnetically separable core–shell-like Fe3O4@Boehmite-NH2-CoII NPs as an environmentally friendly heterogeneous catalyst. The as-prepared nanocatalyst was well characterized by various techniques such as FT-IR, XRD, BET, TEM, FE-SEM, EDX, TGA, H2-TPR, VSM, ICP-OES and elemental analysis and evaluated for the Suzuki–Miyaura and Heck–Mizoroki cross-coupling reactions in a green solvent
在这里,我们报道了一种可磁分离的核壳状Fe 3 O 4 @ Boehmite -NH 2 -Co II NPs的合成,它是一种环境友好的非均相催化剂。所制备的纳米催化剂已通过多种技术进行了很好的表征,例如FT-IR,XRD,BET,TEM,FE-SEM,EDX,TGA,H 2 -TPR,VSM,ICP-OES和元素分析,并对铃木进行了评估。 Miyaura和Heck-Mizoroki在绿色溶剂(H 2 O)中的交叉偶联反应。表征研究的结果表明,Fe 3 O 4的超顺磁性行为由勃姆石NP壳包裹的NP核。同样,很明显地发现颗粒的大小约为13–54 nm。与以前报道的催化剂相比,Fe 3 O 4 @ Boehmite -NH 2 -Co II NP在温和条件下不使用有毒溶剂,对Suzuki-Miyaura和Heck-Mizoroki交叉偶联反应表现出完美的催化效率。催化剂各组分之间的协同作用以及其独特的蛋状纳米结构导致Fe