Redox-Neutral Imination of Alcohol with Azide: A Sustainable Alternative to the Staudinger/Aza-Wittig Reaction
Das, Pradip K.
El Hajoui, Marwa
KAUST DepartmentBiological and Environmental Sciences and Engineering (BESE) Division
Chemical Science Program
Homogeneous Catalysis Laboratory (HCL)
KAUST Catalysis Center (KCC)
Physical Science and Engineering (PSE) Division
Embargo End Date2022-03-17
Permanent link to this recordhttp://hdl.handle.net/10754/668169
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AbstractThe traditional Staudinger/aza-Wittig reaction represents one of the most powerful tools for imine formation. However, for this multistep procedure, the sacrificial phosphine has to be used, resulting in difficulties in the purification process and waste disposal at the same time. Here, we report a redox-neutral azide–alcohol imination methodology enabled by a base-metal nickel PN3 pincer catalyst. The one-step, waste-free, and high atom-economical features highlight its advantages further. Moreover, mechanistic insight suggests a non-metal–ligand cooperation pathway based on the observation of an intermediate and density functional theory calculations.
CitationLi, H., Lupp, D., Das, P. K., Yang, L., Gonçalves, T. P., Huang, M.-H., … Huang, K.-W. (2021). Redox-Neutral Imination of Alcohol with Azide: A Sustainable Alternative to the Staudinger/Aza-Wittig Reaction. ACS Catalysis, 4071–4076. doi:10.1021/acscatal.1c00379
SponsorsWe are grateful for the financial support from the King Abdullah University of Science and Technology (KAUST), the Ministry of Science and Technology of Taiwan (MOST 109-2113-M-110-004), Guangxi Natural Science Foundation of China (No. 2020GXNSFAA297213), and the State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources (No. CMEMR2020-A12) in China. The service of Ibex, Shaheen 2 High Performance Computing Facilities was provided by KAUST.
PublisherAmerican Chemical Society (ACS)
Except where otherwise noted, this item's license is described as This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Catalysis, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://pubs.acs.org/doi/10.1021/acscatal.1c00379.