Synthesis, characterization and catalytic epoxidation properties of a new tellurotungstate(<scp>iv</scp>)-supported rhenium carbonyl derivative
作者:Jingkun Lu、Xinyi Ma、Ping Wang、Junwei Feng、Pengtao Ma、Jingyang Niu、Jingping Wang
DOI:10.1039/c8dt04195d
日期:——
A monomeric tellurotungstate(IV)-supported rhenium carbonyl derivative: Na2H2[(CH3)4N]6[Te2W20O70Re(CO)3}2]·20H2O (1) has been successfully isolated and structurally characterized by single crystal X-ray diffraction crystallography, IR and UV-Vis spectroscopy, thermogravimetric analysis, etc. In particular, complex 1 could act as a efficient and reusable heterogeneous catalyst for selective epoxidation
单体碲钨酸盐(IV)负载的羰基rh衍生物:Na 2 H 2 [(CH 3)4 N] 6 [Te 2 W 20 O 70 Re(CO)3 } 2 ]·20H 2 O(1)通过单晶X射线衍射晶体学,IR和UV-Vis光谱,热重分析等方法成功地分离并进行了结构表征。特别是复数1可以作为有效和可重复使用的多相催化剂,用于各种烯烃的选择性环氧化,包括不同的环烯烃,苯乙烯衍生物,内部和长链烯烃。例如,在30%H 2 O 2作为氧化剂的乙腈中,顺式-环辛烯在75°C下可达到98.2%的转化率和> 99%的选择性。此外,的电属性1为NO 2 -还原也进行了研究。