Fe<sub>3</sub>O<sub>4</sub>@TiO<sub>2</sub>@O<sub>2</sub>PO<sub>2</sub>(CH<sub>2</sub>)NHSO<sub>3</sub>H as a novel nanomagnetic catalyst: Application to the preparation of 2-amino-4,6-diphenylnicotinonitriles via anomeric-based oxidation
作者:Mohammad Ali Zolfigol、Meysam Yarie
DOI:10.1002/aoc.3598
日期:2017.5
A new, green and reusable nanomagnetic heterogeneous catalyst, namely Fe3O4@TiO2@O2PO2(CH2)NHSO3H, was synthesized and fully characterized using suitable techniques such as infrared spectroscopy, X‐ray diffraction, scanning and transmission electron microscopies, thermogravimetry, vibrating sample magnetometry and energy‐dispersive X‐ray spectroscopy. The applicability of the constructed heterogeneous
一种新型的绿色可重复使用的纳米磁性非均相催化剂,即Fe 3 O 4 @TiO 2 @O 2 PO 2(CH 2)NHSO 3使用合适的技术合成和完全表征了H,例如红外光谱,X射线衍射,扫描和透射电子显微镜,热重分析,振动样品磁力分析和能量分散X射线光谱。在多种芳族醛,苯乙酮衍生物,丙二腈和乙酸铵的反应下,成功地探索了构造的异质核-壳催化剂作为促进剂的适用性,用于合成2-氨基-4,6-二苯基烟腈衍生物。在无溶剂条件下,以较短的反应时间以高到高的产率获得了所需的产物。在合成途径的最后一步,建议的机理为产物提供了基于异头的氧化途径。