Journal
ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 15, Issue 12, Pages 2497-2500Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ob00476a
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Funding
- National Natural Science Foundation of China [21272074]
- Program for Changjiang Scholars and Innovative Research Team in University (PCSIRT)
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Transition-metal free insertions of alkynes into carbon-carbon sigma-bonds of ethanones have been reported. These tandem reactions offer an efficient synthesis of hydroxydienones and multi-substituted chromones. This is the first example of base-promoted insertion reactions of isolated carbon-carbon triple bonds into carbon-carbon sigma-bonds with active methylene compounds bearing only one electron-withdrawing group.
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