NOVEL DERIVATIVES OF 4*55SECOESTRANEE3*5*177 TRIONE*THEIR MANUFACTURE*NOVEL INTERMEDIATE OBTAINED THEREFROM AND USE FOR MANUFACTURE OF THERAPEUTICALLY ACTIVE COMPOUNDS

Title:

NOVEL DERIVATIVES OF 4*55SECOESTRANEE3*5*177 TRIONE*THEIR MANUFACTURE*NOVEL INTERMEDIATE OBTAINED THEREFROM AND USE FOR MANUFACTURE OF THERAPEUTICALLY ACTIVE COMPOUNDS

Document Type and Number:

Japanese Patent JPS54125648

Kind Code:

A

Abstract:

Novel 4,5-seco-estrane-3,5,17-trione derivatives of the formula I wherein R1 is alkyl of 1 to 3 carbon atoms, R2 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.

Inventors:

JIYAN JIYORI
BERUNAARU MATORA
PURIMO RIJI

Application Number:

JP2461779A

Publication Date:

September 29, 1979

Filing Date:

March 05, 1979

Export Citation:

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Assignee:

ROUSSEL UCLAF

International Classes:

C07C49/737; C07C45/00; C07C45/65; C07C49/753; C07C67/00; C07C69/753; C07C69/757; C07D317/72; C07D319/08; C07J1/00; (IPC1-7): C07C49/56; C07C49/61; C07C69/74; C07J1/00

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