Journal
CHEMISTRY LETTERS
Volume 44, Issue 2, Pages 141-143Publisher
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.140910
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Funding
- Ministry of Education, Culture, Sports, Science and Technology, Japan [2105]
- Grants-in-Aid for Scientific Research [14J05610] Funding Source: KAKEN
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An organocatalytic regioselective synthesis of aurones from o-alkynoylphenols was achieved. A catalytic amount of tributylphosphine selectively induced the 5-exo cyclization of o-alkynoylphenols under ambient conditions leading to aurone derivatives in high to excellent yields.
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