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Palladium(II) catalyzed cyclization of alkynoic acids

✍ Scribed by Claude Lambert; Kiitiro Utimoto; Hitosi Nozaki

Publisher: Elsevier Science
Year: 1984
Tongue: French
Weight: 206 KB
Volume: 25
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(01)81594-x

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✦ Synopsis

Under the catalytic action of palladium(II) in the presente of triethylamine, 3-, 4-, and 5-alkynoic acids afford 3-buten-4-olides, 4-penten-4-olides, and 5-hexen-5-olide, respectively, in good to excellent yields.

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