Continuous flow heterogeneous catalytic reductive aminations under aqueous micellar conditions enabled by an oscillatory plug flow reactor
作者:Michaela Wernik、Gellért Sipos、Balázs Buchholcz、Ferenc Darvas、Zoltán Novák、Sándor B. Ötvös、C. Oliver Kappe
DOI:10.1039/d1gc02039k
日期:——
Despite the fact that continuous flow processing exhibits well-established technical advances, aqueous micellar chemistry, a field that has proven extremely useful in shifting organic synthesis to sustainable water-based media, has mostly been explored under conventional batch-based conditions. This is particularly because of the fact that the reliable handling of slurries and suspensions in flow has
尽管连续流动处理展示了成熟的技术进步,但水胶束化学这一领域已被证明在将有机合成转变为可持续的水基介质方面非常有用,但主要是在传统的批量条件下进行探索。这尤其是因为可靠地处理流动中的浆液和悬浮液被认为是一项重大的技术挑战。在这里,我们证明了振荡活塞流反应器的战略应用能够在水性胶束介质中进行多相催化还原胺化,从而增强传质并促进过程的简单性、稳定性和可扩展性。胶束流工艺使广泛的底物成为可能,包括氨基酸衍生物、在相当温和的条件下成功转化,仅使用非常少量的 Pd/C 作为容易获得的多相催化剂。还证明了该方法的制备能力以及多相催化剂和水性反应介质的可回收性。