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Tetrahedron

Enamines—XXXIX: Enamines from cyclopropylketones

D Pocar, R Stradi, P Trimarco

文献索引:Pocar,D. et al. Tetrahedron, 1975 , vol. 31, p. 2427 - 2429

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被引用次数: 8

摘要

The enamines from cyclopropyl-methyl-,-ethyl-and-cyclopentylketone have been prepared by reaction of the ketone with a secondary amine and TiCl4. Their vinylcyclopropane structure has been demonstrated by NMR. The reaction of dicyclopropylketone, cyclopropylphenylketone or cyclopropyl-α-thienylketone with secondary amines and TiCl4 afforded homoallylic rearrangement products, namely 1-cyclopropyl-, 1-phenyl-and 1-(α- ...