Tetrahedron Letters p. 6221 - 6222 (1996)
Update date:2022-08-05
Topics:
Kasal, Alexander
Chodounska, Hana
Szczepek, Wojciech J.
Reductive hydroboration of Δ5-B-norsteroids (e.g., 1) affords 5α-dihydro products (e.g., 3) in a low yield. Better yields, were obtained by reduction with diimide. The method was employed in the synthesis of potential antiandrogens - 17β-hydroxy-B-nor-5α-androstan-3-one (8) and its 17α-methyl derivative (9).
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