3 years ago

[ASAP] CO2-Catalyzed Efficient Dehydrogenation of Amines with Detailed Mechanistic and Kinetic Studies

[ASAP] CO2-Catalyzed Efficient Dehydrogenation of Amines with Detailed Mechanistic and Kinetic Studies
Daniel Riemer, Waldemar Schilling, Anne Goetz, Yu Zhang, Sascha Gehrke, Igor Tkach, Oldamur Hollóczki, Shoubhik Das
CO2-catalyzed dehydrogenation of amines has been achieved under photocatalytic conditions. With this concept, various amines have been selectively dehydrogenated to the corresponding imines in the presence of different functional groups such as nitrile, nitro, ester, halogen, ether, thioether, and carbonyl or carboxylic acid moieties. At the end, the CO2-catalyzed synthesis of pharmaceutical drugs has been achieved. The CO2 radical has been detected by EPR spectroscopy using DMPO, and the mechanism of this reaction is proposed on the basis of DFT calculations and experimental evidence.

Publisher URL: http://dx.doi.org/10.1021/acscatal.8b03059

DOI: 10.1021/acscatal.8b03059

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