SYNTHESIS OF ETHYNYLIDENE CYCLOPENTANES BY A CYCLISATION CATALYZED BY THE SIMULTANEOUS PRESENCE OF PALLADIUM (0) AND COPPER (I)

DOI: 10.1016/0040-4039(91)80215-R

Source and publish data:

Tetrahedron Letters p. 6541 - 6544 (1991)

Update date:2022-07-30

Topics:

Authors:

Boussy, Didier

Balme, Genevieve

Gore, Jacques

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Article abstract of DOI:10.1016/0040-4039(91)80215-R

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.

Full text of DOI:10.1016/0040-4039(91)80215-R

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