Sulfonic acid functionalized covalent organic frameworks as efficient catalyst for the one-pot tandem reactions
作者:Kai Gong、Cunhao Li、Daquan Zhang、Huilin Lu、Yunyun Wang、Haoran Li、Huimin Zhang
DOI:10.1016/j.mcat.2022.112139
日期:2022.2
the cyclotrimerization reaction of acetyls, which was used as a pre-established network to introduce propyl sulfonic acid through post-synthetic modification strategy, for the fabrication of SO3H-COF with graphene-like multilayer structure. SO3H-COF was employed as an effective heterogeneous catalyst for the synthesis of benzimidazoles, the synthesis of benzodiazepines and one-pot reductive amination
通过乙酰基的环三聚反应预先设计和合成了一种含有羟基的共价有机骨架(HO-COF),该骨架被用作预先建立的网络,通过合成后修饰策略引入丙基磺酸,用于制备 SO具有类石墨烯多层结构的3 H-COF。SO 3 H-COF 作为一种有效的多相催化剂用于苯并咪唑的合成、苯二氮卓类的合成和羰基化合物的一锅还原胺化。结果表明,所开发的方案具有活性高、底物范围广、反应时间短、收率高等优点。SO 3的独特结构H-COF具有优异的催化性能、良好的稳定性和循环性能。