ES384331A1 - Procedure for the obtaining of 6 alpha-methyl-19-nor-progesterone. (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for the obtaining of 6 alpha-methyl-19-nor-progesterone. (Machine-translation by Google Translate, not legally binding)
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.)
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Novartis AG
BASF Schweiz AG
Original Assignee
Ciba Geigy AG
Ciba AG
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Priority claimed from CH1527269Aexternal-prioritypatent/CH522621A/en
Application filed by Ciba Geigy AG, Ciba AGfiledCriticalCiba Geigy AG
Publication of ES384331A1publicationCriticalpatent/ES384331A1/en
Procedure for obtaining 6α-methyl-19-nor-progesterone, of general formula **(See formula)** characterized in that in a compound of general formula **(See formula)** where R1 means a free or catalyzed oxo group, R2 means a free or esterified hydroxy group and R3 means a hydrocarbon or carboxylic acid moiety, the aldehyde group is reduced to the methyl group, and an enolic or cetalic group, in case given existing in the obtained compounds, the corresponding keto group and/or a free hydroxy group is cleaved in position 17, if any existing in the obtained compounds, the epimer mixture obtained is caproilized and in an arbitrary step, in If given after previously enriching the 6α-epimer, the 6α-methyl compound is isolated. (Machine-translation by Google Translate, not legally binding)
ES384331A1969-10-101970-10-08Procedure for the obtaining of 6 alpha-methyl-19-nor-progesterone. (Machine-translation by Google Translate, not legally binding)
ExpiredES384331A1
(en)
Compounds of the pregnane series with an oxygen function in the 19-position, processes for their manufacture and pharmaceutical preparations containing these compounds
Procedure for the preparation of aldehydic steroids that, in addition to the aldehyde group, contain still at least one group ceto in the molecula. (Machine-translation by Google Translate, not legally binding)
Procedure for the preparation of 7-chlorine-1,2-dihydro-5-phenyl - 1,4-benzodiazepin-2-onas. (Machine-translation by Google Translate, not legally binding)