The enamination of the 21-hydroxymethylene derivative of the 16,17-dehydropregnenolone under conventional conditions is accompanied by the C-alkylation of the intermediate enamino ketone by a second molecule of the starting β-keto aldehyde.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 2, pp. 431–434, February, 1974.
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Moiseenkov, A.M., Veselovskii, V.V. & Kamernitskii, A.V. Transformed steroids. Russ Chem Bull 23, 399–401 (1974). https://doi.org/10.1007/BF00924696
- Conventional Condition
- Enamino Ketone