Development of a multistep, electrochemical flow platform for automated catalyst screening

Development of a multistep, electrochemical flow platform for automated catalyst screening
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开发用于自动催化剂筛选的多步电化学流平台

DOI:
10.1039/d2cy00587e
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发表时间:
2022
影响因子:
5
通讯作者:
Schotten C
Schotten C
中科院分区:
化学2区
文献类型:
--
作者:
Schotten C

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介绍了一种集成了高通量金属催化剂电化学合成和催化筛选的集成多步流平台的开发。配体库可以通过自动进样器筛选,在线HPLC分析有助于对反应进行连续监测。该设备通过计算机控制,使该过程自动化,平台自动运行配体/催化筛选。该平台已通过普遍存在的Cu-NHC催化咔嗒反应进行了验证,并选择了使反应不完全转化的条件,从而允许观察不同配体前体的影响。高效的清洗步骤对反应的再现性至关重要,交替极性保证了电化学反应器的长期稳定性。这项技术将使连续系统中的催化剂分析成为可能,并加速在制造过程中开发更可持续的贱金属催化剂的过程。
The development of an integrated multistep flow platform that incorporates high-throughput electrochemical synthesis of metal catalysts and catalysis screening is described. Ligand libraries can be screened through the implementation of an autosampler, and online HPLC analysis facilitates continuous monitoring of the reaction. The equipment is controlled via a computer which enables the process to be automated, with the platform running ligand/catalysis screens autonomously. The platform has been validated using a ubiquitous Cu–NHC catalysed click reaction, with conditions chosen so that the reaction does not run at full conversion, which allows the effect of different ligand precursors to be observed. An efficient cleaning step is crucial to the reproducibility of reactions, and alternating polarity ensures the long-term stability of the electrochemical reactor. This technology will enable the profiling of catalysts in continuous systems and accelerate the process of developing more sustainable base-metal catalysts in manufacturing processes.
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