A new 4-substituted-2-Cyclohexenone synt
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Kevin I. Booker-Milburn; David F. Thompson
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Article
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1993
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Elsevier Science
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French
β 199 KB
Conjugate addition of a variety of Grignard reagents to 2-cyclopentenone followed by cyclopropanation of the resulting enol ethers gave a range of substituted cyclopropyl silyl ethers in good yield. Treatment of these cyclopropyl silyl ethers with ferric chloride in DMF gave the one carbon ring expa