Journal
CHEMISTRY LETTERS
Volume 39, Issue 7, Pages 766-767Publisher
CHEMICAL SOC JAPAN
DOI: 10.1246/cl.2010.766
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Funding
- Grants-in-Aid for Scientific Research [20350016] Funding Source: KAKEN
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The combined use of a catalytic amount of InX3 (X = OTf and NTf2) and 1-butanol was found to be effective in formal alkyne-aldehyde metathesis. With this catalytic system, aromatic alkynes reacted with aromatic aldehydes to give chalcones in moderate to good yields. Alkynals were efficiently converted into 5- to 7-membered cyclic compounds by intramolecular alkyne-aldehyde coupling.
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