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
Original Assignee
Merck and Co Inc
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Publication date
Application filed by Merck and Co IncfiledCriticalMerck and Co Inc
Priority to ES0239523ApriorityCriticalpatent/ES239523A1/en
Publication of ES239523A1publicationCriticalpatent/ES239523A1/en
Process for obtaining steroid-derived compounds comprising treating a 17 α, 21-dihydroxy-20-ketosteroid of the pregnane series with an aldehyde of the formula CnH2n + 1CHO, in the presence of an energetic acid, to produce a steroid of the series of the pregnane, which at atoms 17, 20 and 21 of carbon presents the structure represented by Formula 3 of the formula sheet, in which -n- is an integer of value 0 to 5 inclusive. (Machine-translation by Google Translate, not legally binding)
ES0239523A1958-01-021958-01-02Procedure for obtaining compounds derived from steroids (Machine-translation by Google Translate, not legally binding)
ExpiredES239523A1
(en)
A procedure for preparing the 21-hydroxy steroids of the pregnan series esterified in the position 21. (Machine-translation by Google Translate, not legally binding)
A procedure to prepare steroids 12-alpha-11-beta-hydroxy or 11-ceto from series a -pregnene (Machine-translation by Google Translate, not legally binding)
A process for the manufacture of acetonacianhydrine starting from hydrochloric acid and acetone (Machine-translation by Google Translate, not legally binding)