A Borenium-Borane Composite for Exhaustive Reduction of Oxo-Chemicals
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X Li, K Wang, YG Li, Q Zhao, YN Ma…
Journal of the American …, 2025
ACS Publications
Borenium ions have attracted significant attention in organic transformations due to their strong Lewis acidity. The reported borenium ions are often stabilized by sterically demanding substituents and strong coordination bonds. Herein, we have synthesized a small steric borenium-equivalent NH3BH2OTf and subjected it to the exhaustive reduction of a carboxylic functional group to a methyl group, which shows broad functional group tolerance. This system can also undergo a reductive deoxygenation reaction of alcohols …
