4,5-Seco-estrane-3,5,17-trione derivatives

Details 4,5-Seco-estrane-3,5,17-trione derivatives 4,5-Seco-estrane-3,5,17-trione derivatives

1979-02-26

1980-06-10

Love, Ethel G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2603407, 2603974, 568373, C07D31710

Patent

active

042072409

ABSTRACT:
Novel 4,5-seco-estrane-3,5,17-trione derivatives of the formula ##STR1## wherein R.sub.1 is alkyl of 1 to 3 carbon atoms, R.sub.2 is selected from the group consisting of hydrogen and alkyl of 1 to 5 carbon atoms and K and K' are individually blocked ketones in the form of ketals which are intermediates for the preparation of therapeutically active steroids and their preparation and novel intermediates.

REFERENCES:
patent: 3980687 (1976-09-01), Warnant et al.

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