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Synthesis of Ynones by Palladium-Catalyzed Acylation of Terminal Alkynes with Acid Chlorides

✍ Scribed by Alonso, Diego A.; Nájera, Carmen; Pacheco, M Carmen

Book ID
119978957
Publisher
American Chemical Society
Year
2004
Tongue
English
Weight
102 KB
Volume
69
Category
Article
ISSN
0022-3263

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## Bridgehead acid chlorides la and lb react with activated alkenes 2 in the presence of a catalytic amount of palladium and 1 equiv of a tertiary amine. The reaction proceeds regio-and stereoselectively at the terminal carbon atoms to yield acylated alkenes 3 with E-configuration. Acylpalladium c