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Transformed steroids. 172. Reaction of 16-methyl-20-ketosteroids with iodobenzene diacetate

  • Organic Chemistry
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Bulletin of the Academy of Sciences of the USSR, Division of chemical science Aims and scope

Conclusions

  1. 1.

    The reaction of 16-methylpregna-5,16-dien-3β-ol-20-one with iodobenzene diacetate in a methanolic alkali solution proceeds with a Favorskii rearrangement, with formation of 16-methylpregna-5, 16-dien-3β-ol-21-ic acid and its methyl ester.

  2. 2.

    A new method for the synthesis of 21-hydroxy-16α,17α-epoxy-20-ketosteroids from 16β-methyl-16α,17α-epoxypregn-5-en- 3β-ol-20-one has been proposed.

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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 11, pp. 2610–2615, November, 1988.

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Turuta, A.M., Kamernitskii, A.V., Korobov, A.A. et al. Transformed steroids. 172. Reaction of 16-methyl-20-ketosteroids with iodobenzene diacetate. Russ Chem Bull 37, 2352–2356 (1988). https://doi.org/10.1007/BF00959895

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  • DOI: https://doi.org/10.1007/BF00959895

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