Spiroannelation reactions of 3-trifluoroacetyl- and other 3-acyl-1-methyl-lactams

Bouillon, JP.;Wynants, C.;Janousek, Z.;Viehe, HG.
(1996) Journal fuer Praktische Chemie. Chemiker-Zeitung — Vol. 338, n° 6, p. 538-543 (1996)

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  • Bouillon, JP.
    Author
  • Wynants, C.
    Author
  • Janousek, Z.
    Author
  • Viehe, HG.
    Author
Abstract
3-Trifluoroacetyl- and other 3-acyl-1-methyl-lactams (1-5) undergo the Robinson annelation with alpha,beta-unsaturated ketones to produce spirocyclic cyclohexenones (6), their precursors hydroxycyclohexanones (7) or 3-acyl-3-oxobutyl-lactams (8) depending on the substitution.
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Bouillon, JP., Wynants, C., Janousek, Z., & Viehe, HG. (1996). Spiroannelation reactions of 3-trifluoroacetyl- and other 3-acyl-1-methyl-lactams. Journal fuer Praktische Chemie. Chemiker-Zeitung, 338(6), 538-543. https://doi.org/10.1002/prac.199633801101 (Original work published 1996)