17.beta.-cyano-9.alpha.,17.alpha.-dihydroxyandrost-4-en-3-one

Details 17.beta.-cyano-9.alpha.,17.alpha.-dihydroxyandrost-4-en-3-one 17.beta.-cyano-9.alpha.,17.alpha.-dihydroxyandrost-4-en-3-one

1988-10-03

1990-05-01

Lipovsky, Joseph A.

Organic compounds -- part of the class 532-570 series

Organic compounds

Cyclopentanohydrophenanthrene ring system containing

552526, 552505, 552598, 552596, 552595, 552607, 552581, 552529, 552597, 552580, 552608, 540 4, 540 94, C07J 100

Patent

active

049216384

ABSTRACT:
The invention is the compound 17.beta.-cyano-9.alpha., 17.alpha.-dihydroxyandrost-4-en-3-one (I) which is particularly useful as an intermediate in the production of the 17.alpha.-halo silyl ethers (II).

REFERENCES:
patent: 3496169 (1970-02-01), Nagata et al.
patent: 4548748 (1985-10-01), Van Rheenen
J. Am. Chem. Soc., 75, 650 (1953).
Steroids, 28, 89 (1976).
Helv. Chim. Acta, 33, 1093 (1950).
Helv. Chim. Acta, 29, 1580 (1946).
Helv. Chim. Acta, 21, 1317 (1938).

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