14 .beta.-Hydroxyandrostanes

Details 14 .beta.-Hydroxyandrostanes 14 .beta.-Hydroxyandrostanes

1978-10-12

1980-03-18

Mars, Howard T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260586C, C07C 4948, C07J 100

Patent

active

041939409

ABSTRACT:
14.beta.-Hydroxyandrostanes and processes for the preparation thereof in which the 14.beta.-hydroxy group is fabricated internally by means of a novel cyclization of 8,14-seco-4,6,9(11)-androstatrien-3,14,17-triones is disclosed.
The 14.beta.-hydroxyandrostanes are useful as precursors for the synthesis of cardenolides and related products.

REFERENCES:
patent: 4026922 (1977-05-01), Alig et al.
Ruppert et al., Ber. 106, pp. 3636-3644 (1973).
Crispin et al., J. Chem. Soc. (6), 1970, pp. 10-18.

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