Journal
ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 8, Issue 13, Pages 3073-3077Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c004233a
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Funding
- National Natural Science Foundation of China [20721003]
- Shanghai Rising-Star Program [08QH14027]
- Chinese Academy of Sciences, State key Laboratory of Drug Research, SIMM
- National Science & Technology Major Project [2009ZX09301-001]
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A novel and rapid assembly of an interesting class of furocoumarins-4H-furo[3,2-c]chromen-4-ones has been successfully achieved using one-pot sequential coupling/cyclization strategy with easily available starting materials 3-bromo-4-acetoxycoumarins and terminal alkynes. The key synthesis involves Pd/Cu-catalyzed alkynylation with in situ prepared dialkynylzincs followed by intramolecular hydroalkoxylation.
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