CH562844A5CH857571ACH857571ACH562844A5CH 562844 A5CH562844 A5CH 562844A5CH 857571 ACH857571 ACH 857571ACH 857571 ACH857571 ACH 857571ACH 562844 A5CH562844 A5CH 562844A5
Authority
CH
Switzerland
Application number
CH857571A
Original Assignee
Inst Khim Prirodnykh Soedineny
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inst Khim Prirodnykh SoedinenyfiledCriticalInst Khim Prirodnykh Soedineny
Publication of CH562844A5publicationCriticalpatent/CH562844A5/xx
A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
A61K31/00—Medicinal preparations containing organic active ingredients
A61K31/56—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids
A61K31/565—Compounds containing cyclopenta[a]hydrophenanthrene ring systems; Derivatives thereof, e.g. steroids not substituted in position 17 beta by a carbon atom, e.g. estrane, estradiol
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07J—STEROIDS
C07J63/00—Steroids in which the cyclopenta(a)hydrophenanthrene skeleton has been modified by expansion of only one ring by one or two atoms