14,17.beta.-ethano-14.beta.-estratrienes and estratetraenes, pro

Details 14,17.beta.-ethano-14.beta.-estratrienes and estratetraenes, pro 14,17.beta.-ethano-14.beta.-estratrienes and estratetraenes, pro

1987-02-27

1988-12-06

Schenkman, Leonard

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Cyclopentanohydrophenanthrene ring system doai

2603975, A61K 3156, C07J 100

Patent

active

047896710

ABSTRACT:
14,17.beta.-ethano-14.beta.-estratriene and estratetraene of Formula I ##STR1## wherein R.sup.1 is a hydrogen atom, a methyl or an acyl group of a monocarboxyclic acid of 1-12 carbon atoms,

REFERENCES:
Bull et al., J. Chem. Soc., Chem. Commun, 1986, pp. 451-453.
Bischofberger et al., Tetrahedron, vol. 41, No. 2, 1985, pp. 365-374.
Bull et al., J. Chem. Soc. Perkin Trans. I 1983, pp. 2723-2727.
Groen et al., Tetrahedron Ltrs., vol. 23, No. 35, pp. 3611-3614, 1982.
Chemical Abstracts, Band 105, No. 17, Oct. 27, 1986, J. R. Bull et al., "Cycloaddition . . . " J. Chem. Soc. 1986 (VI), 451-453.
Journal of Medicinal Chemistry, Band 16, No. 3, Mar. 1973, Solo et al., "Ring D Bridged Steroid Analogs . . . ", 270-273.

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