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
Priority to ES0301729ApriorityCriticalpatent/ES301729A1/en
Publication of ES301729A1publicationCriticalpatent/ES301729A1/en
Process for preparing steroid compounds, which comprises reacting a compound selected from those of the structure formula ** (See formula) ** and its Δ 4 and Δ 4,6 -analogs, where R1 is hydrogen, hydroxyl, or halogen, but there is only halogen or hydroxyl when there is a double bond in Δ 4; R2 is hydrogen or methyl; R3 is hydrogen or alkyl, R4 is hydrogen, keto or hydroxyl; R5 is hydrogen, alkyl, alkenyl, ω -haloalkanoyl or alkynyl; R6 is hydrogen, aralkanoyl or alkanoyl; R7 is hydrogen, alkyl or halogen, but there is only halogen in R7 when it exists, a double bond in Δ 6; and X is hydrogen or halogen, with nitrous acid, in an inert atmosphere, to obtain compounds of the following structure formula: ** (See formula) ** and its Δ 4 and Δ 4,6 -analogs. (Machine-translation by Google Translate, not legally binding)
ES0301729A1964-06-261964-06-26
PROCEDURE FOR PREPARING STEROID COMPOUNDS
ExpiredES301729A1
(en)