期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 23, 期 46, 页码 10997-11000出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201703109
关键词
boron; catalysis; hydroboration; Lewis acids; metal-free
资金
- EPSRC [EP/N02320X/1]
- EPSRC [EP/N02320X/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/N02320X/1] Funding Source: researchfish
The metal-free catalyst tris(2,4,6-trifluorophenyl)borane has demonstrated its extensive applications in the 1,2-hydroboration of numerous unsaturated reagents, namely alkynes, aldehydes and imines, consisting of a wide array of electron-withdrawing and donating functionalities. A range of over 50borylated products are reported, with many reactions proceeding with low catalyst loading under ambient conditions. These pinacol boronate esters, in the case of aldehydes and imines, can be readily hydrolyzed to leave the respective alcohol and amine, whereas alkynyl substrates result in vinyl boranes. This is of great synthetic use to the organic chemist.
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