期刊
ORGANIC CHEMISTRY FRONTIERS
卷 9, 期 8, 页码 2198-2203出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1qo01800k
关键词
-
资金
- National Natural Science Foundation of China [21772217]
A copper-catalyzed regioselective C-2 alkenylation of quinoline N-oxides with alkynes and pinacol diborane has been developed, providing efficient access to a wide variety of deoxygenated 2-alkenyl quinolines with good functional group tolerance, especially with unsymmetrical alkynes such as aryl(alkyl)acetylenes and enynes.
A copper-catalyzed regioselective C-2 alkenylation of quinoline N-oxides with alkynes and pinacol diborane has been developed. This method provides efficient access to a wide variety of deoxygenated 2-alkenyl quinolines with good functional group tolerance. In particular, highly regio- and stereoselective reactions were observed with unsymmetrical alkynes such as aryl(alkyl)acetylenes and enynes. The reaction involves borylcupration of alkynes, capture of the catalytically generated alkenyl copper species by quinoline N-oxides and deborylation.
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