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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Merck and Co Inc
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Merck and Co Inc
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Publication date
Application filed by Merck and Co IncfiledCriticalMerck and Co Inc
Publication of ES239520A1publicationCriticalpatent/ES239520A1/es
Procedimiento para la obtención de compuestos derivados de los esteroides que comprende tratar un 17alfa, 21-dihidroxi-20-cetosteroide de la serie del pregnano con formaldehido, en presencia de un ácido enérgico, para formar un 17-20, 20-21-bismetilendioxisteroide de la serie del pregnano.
ES0239520A1957-01-021958-01-02Procedimiento para la obtencion de compuestos derivados de los esteroides
ExpiredES239520A1
(es)