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 Ag ScheringfiledCriticalAg Schering
Publication of DK114407BpublicationCriticalpatent/DK114407B/en
C07J9/00—Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms, e.g. cholane, cholestane, coprostane
C—CHEMISTRY; METALLURGY
C07—ORGANIC CHEMISTRY
C07J—STEROIDS
C07J75/00—Processes for the preparation of steroids in general
Landscapes
Chemical & Material Sciences
(AREA)
Organic Chemistry
(AREA)
Health & Medical Sciences
(AREA)
General Health & Medical Sciences
(AREA)
Steroid Compounds
(AREA)
DK27467A1966-01-271967-01-17
Process for the preparation of 2β, 3β-hydroxy-6-keto-Δ <7> -20-formyl-pregnenes or their esters or ethers thereof.
DK114407B
(en)
Analogous process for the preparation of therapeutically active 17β-tetrahydropyranyl ethers of Δ <1,3,5 (10)> - estratrien-3-ol or 3-ethers or 3-esters thereof.