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Exon et al., 1983 - Google Patents

Stereoselectivity of intramolecular dicobalt octacarbonyl alkene-alkyne cyclizations: short synthesis of dl-coriolin

Exon et al., 1983

Document ID
2534138719874053950
Author
Exon C
Magnus P
Publication year
Publication venue
Journal of the American Chemical Society

External Links

Snippet

Almost a decade ago Pauson1 reported the potentially very useful reaction of a strained alkene with an alkyne-dicobalt oc-tacarbonyl complex, to give cyclopentenones, albeit in modest yield. 2 The cyclopentenone annulation is regiospecific; the larger group becomes …
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    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/72Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
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    • C07C2101/16The ring being unsaturated
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