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 Hoffmann La RochefiledCriticalHoffmann La Roche
Priority to KR7403628ApriorityCriticalpatent/KR790000416B1/en
Application grantedgrantedCritical
Publication of KR790000416B1publicationCriticalpatent/KR790000416B1/en
A D-homosteroid of the formula (I; R10 =H or methyl, R7 = H or mercapto) was prepd. by (a) oxidn. of 3-hydroxy-Δ5 group of a D-homosteroid of the formula(II), (b) dehydrogenation in the 1,2 and /or 6, 7 position of (III), (C) isomeriztion of (IV)m (d) reacting a homosteroid (V) with R7-H compd. and dehydrogenation in the 1, 2 position.