Tetrahedron Letters p. 6541 - 6544 (1991)
Update date:2022-07-30
Topics:
Boussy, Didier
Balme, Genevieve
Gore, Jacques
Ethynylidene cyclopentanes 3 can be formed in 35-71percent yield from the reaction of the enolates of compounds such as δ-acetylenic malonates with 1-halogeno-1-alkynes.This reaction requires catalysis by both palladium (0) and copper (I) species.
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