Journal
ASIAN JOURNAL OF ORGANIC CHEMISTRY
Volume 4, Issue 4, Pages 333-336Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ajoc.201402281
Keywords
aprotic solvents; ion-pair catalysis; kinetics; reduction; sodium borohydride
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Funding
- National Natural Science Foundation of China (NSFC) [21404096, U1463202]
- Fundamental Research Funds for the Central Universities of China [WK2060190022, WK2060190026]
- USTC
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Sodium borohydride reduction in aprotic solvents has always been an unsolved problem. In this work a ion-pair-catalyzed sodium borohydride reduction in aprotic solvents was kinetically and mechanistically studied. Finally sodium borohydride reduction could be carried out in common aprotic solvents efficiently under mild conditions. A large quantity of water or methanol as the solvent or co-solvent has been avoided. The generation of stoichiometric or excess organic ammonium waste has also been avoided. The normal acidic work-up is not necessary and the catalyst was recycled.
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