Abstract
The use of a dicobalt hexacarbonyl protective group permitted us to carry out the stereospecific conversion of 17Β-hydroxy-17α-ethynylsteroids into branched 17α-R-substituted 17Β-ethynylsteroids (R-OH, OAc, OMe, NCS, and F).
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 3, pp. 675–681, March, 1990.
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Turuta, A.M., Fadeeva, T.M., Kamernitskii, A.V. et al. Transformed steroids. 180. Stereospecific transformation of 17Β-hydroxy-17α-ethynylsteroids into various 17α-substituted 17Β-ethynylsteroids. Russ Chem Bull 39, 595–601 (1990). https://doi.org/10.1007/BF00959591
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DOI: https://doi.org/10.1007/BF00959591