摘要:
18-Lower alkyl androstenes are prepared by a sequence of steps from 3 Beta , 20 Beta -dihydroxypregn-5-en-18-oic acid 18,20lactone 3-acetate. The method proceeds through novel 18-lower alkyl pregnane intermediate compounds. These compounds are useful as intermediates and also possess antiestrogen activity. The 18lower androstene products possess various useful steroidal activities.
摘要:
There has been prepared the new 6 Alpha ,9 Alpha difluorohydrocortisone 17-valerate useful as an anti-inflammatory agent. This compound may be incorporated in a topically suitable pharmaceutical carrier to obtain pharmaceutical compositions which may be administered locally as ointments, creams or lotions for the treatment of inflammatory conditions.
摘要:
PHARMOCOLOGICALLY AND CHEMICALLY USEFUL 19-NOR-3-KETO$4-STEROIDS, E.G. NORETHISTERONE, ARE PREPARED BY REACTING A 19-HYDROXY-3-KETO-$4-STEROID WITH A SECONDARY AMINE TO FORM THE CORRESPONDING 19-NOR-3,5-DIENE-3-AMINE. THE LATTER IS THEN HYDROLYZED IN A CONVENTIONAL MANNER WITH OPTIONALLY ADDITIONAL STEROID REACTIONS BEING CONDUCTED SUBSEQUENTLY OR SIMULTANEOUSLY.
摘要:
THE ABOVE-ENTITLED NOVEL CHEMICAL COMPOUNDS ARE OBTAINED BY REACTION OF AN APPROPRIATE 17A-ETHYNYL-17B-HYDROXY STEROID WITH A SUBSTITUTED CHLOROPHOSPHINE OR CHLOROPHOSHITE AND EXHIBIT VALUABLE PHARMACOLOGICAL PROPERTIES, E.G. ANTI-BACTERIAL, ANTI-PROTOZOAL, ANTI-FUNGAL AND ANTI-INFLAMMATORY.
摘要:
6,7-METHYLENE-, 6,7-MONOHALOMETHYLENE, AND 6,7-DIHALOMETHYLENE-3-KETO$4-PREGNANES AND 19-NORPREGNANES OPTIONALLY CONTAINING DOUBLE BOND UNSATURATION AT THE C-1,2 POSITION AND/OR HYDROGEN, METHYL, CHLORO OR FLUORO AT C-6, AND/OR METHYLENE, METHYL, CHLORO, FLUORO, HYDROXY OR ACYLOXY AT C-16, AND/OR HYDROGEN, HYDROXY OR ACYLOXY AT C-17, WHICH COMPOUNDS EXHIBIT PROGESTATIONAL ACTIVITIES AND PROCESSES FOR THE PREPARATION OF SUCH COMPOUNDS.