Conjugate Addition of Lithium Phenylthio- and Cyano-cuprate to Cyclic Enones. An Efficient Methylenecyclopentane Annulation Process

DOI: 10.1039/c39830000935

Source and publish data:

Journal of the Chemical Society. Chemical communications p. 935 - 936 (1983)

Update date:2022-08-11

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Authors:

Piers, Edward

Karunaratne, Veranja

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Article abstract of DOI:10.1039/c39830000935

Reaction of the cyclic enones (6)-(11) with the structurally interesting cuprate reagents (2) and (3) provides very good yields of the conjugate addition products (12)-(17); treatment of the latter substances with potassium hydride in tetrahydrofuran affords the methylenecyclopentane annulation products (18)-(23), respectively.

Full text of DOI:10.1039/c39830000935

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