Postsynthesis-Treated Iron-Based Metal-Organic Frameworks as Selective Catalysts for the Sustainable Synthesis of Nitriles
作者:Anastasia Rapeyko、Maria J. Climent、Avelino Corma、Patricia Concepción、Sara Iborra
DOI:10.1002/cssc.201500695
日期:2015.10
of aldoximes to the corresponding nitriles can be performed with excellent activity and selectivity by using iron trimesate as a homogeneous catalyst. Iron trimesate has been heterogenized by synthesizing metal–organic frameworks (MOFs) from iron trimesate, that is, Fe(BTC), and MIL‐100 (Fe). These materials were active and selective aldoxime dehydration catalysts, and postsynthesis‐treated MIL‐100
通过使用偏苯三酸铁作为均相催化剂,醛肟可以脱水成相应的腈,并且具有出色的活性和选择性。均苯三酸铁已经通过从均苯三酸铁(Fe(BTC)和MIL-100(Fe))中合成金属有机骨架(MOF)而异质化了。这些材料是活性和选择性的醛肟脱水催化剂,在温和的反应条件下和较短的反应时间内,经合成后处理的MIL-100(Fe)可以产生所需的腈,转化率为100%,选择性> 90%。X射线光电子能谱表明催化剂中存在不同的Fe物种,原位红外光谱结合催化结果表明催化活性与Fe骨架物种有关。经合成后处理的MIL-100(Fe)-NH 4F可以循环使用几次,反应范围极佳,与其他固体酸或碱催化剂相比,催化效果更好。