Tetrahedron Letters p. 575 - 578 (1994)
Update date:2022-08-03
Topics:
Bernardes, Vania
Verdaguer, Xavier
Kardos, Nathalie
Riera, Antoni
Moyano, Albert
Pericas, Miquel A.
Greene, Andrew E.
The first practical asymmetric version of the intermolecular Pauson-Khand reaction has been developed based on novel chiral (non-racemic) alkoxy acetylene dicobalt hexacarbonyl complexes. The major adduct from (1R,2S)-2-phenylcyclohexyloxyethyne and norbornadiene, isolated in 58% yield, is shown to be useful for obtaining chiral 4-substituted 2-cyclopentenones.
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