Legal status (The legal status 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 status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Merck and Co Inc
Original Assignee
Merck and Co Inc
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Filing date
Publication date
Application filed by Merck and Co IncfiledCriticalMerck and Co Inc
Priority to ES0252103ApriorityCriticalpatent/ES252103A1/en
Publication of ES252103A1publicationCriticalpatent/ES252103A1/en
Procedure for obtaining new steroid compounds, especially a 16 β -methyl-11 β, 17 α, 21-trihydroxy-20-ketosteroid of the formula ** (See formula) ** where Δ is a carbon-carbon double bond included in ring A of the steroid, and n denotes an integer that varies between 0 and 2 inclusive; which comprises contacting a 16 β -methyl-17 β, 21-dihydroxy-20-ketone-11-ketosteroid having attached to the carbon in position 3 a substitute in which there is a carbon bond not saturated with nitrogen, with a metal hydride reducer, to form the corresponding 16 β -methyl-11 β, l7 α, 21-tri-hydroxy-20-ketosteroid which is bound to the carbon in position 3 a substitute in which there is an unsaturated carbon bond with nitrogen; and contacting said 11β-hydroxy-20-ketosteroid with a solution of an acid. (Machine-translation by Google Translate, not legally binding)
ES0252103A1959-08-291959-08-29Procedure for the obtaining of new steroid compounds (Machine-translation by Google Translate, not legally binding)
ExpiredES252103A1
(en)
Procedure for the preparation of synthetic esters, especially of modified hydrocarbon resins (Machine-translation by Google Translate, not legally binding)