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4,4′-Bipyridyl-Catalyzed Reduction of Nitroarenes by Bis(neopentylglycolato)diboron
- Source :
- Organic Letters; December 2019, Vol. 21 Issue: 24 p9812-9817, 6p
- Publication Year :
- 2019
-
Abstract
- 4,4′-Bipyridyl worked as an organocatalyst for the reduction of nitroarenes by bis(neopentylglycolato)diboron (B2nep2), followed by hydrolysis to give the corresponding anilines. This reduction proceeded under aerobic conditions without any prepurification of substrates and reagents. We found broad functional group tolerance and compatibility for O- and N-protecting groups under the reaction conditions. The key in this catalytic system was the addition of B2nep2to 4,4′-bipyridyl to form N,N′-bis[(neopentylglycolato)boryl]-4,4′-bipyridinylidene as a deoxygenating reagent of nitroarenes.
Details
- Language :
- English
- ISSN :
- 15237060 and 15237052
- Volume :
- 21
- Issue :
- 24
- Database :
- Supplemental Index
- Journal :
- Organic Letters
- Publication Type :
- Periodical
- Accession number :
- ejs51419477
- Full Text :
- https://doi.org/10.1021/acs.orglett.9b03419