ES274130A1 - Procedure for obtaining derivatives of lisergic acid and dihydrolyseric acid (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure for obtaining derivatives of lisergic acid and dihydrolyseric acid (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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Sandoz AG
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Sandoz AG
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Priority claimed from CH104661Aexternal-prioritypatent/CH390265A/en
Priority claimed from CH128461Aexternal-prioritypatent/CH401075A/en
Application filed by Sandoz AGfiledCriticalSandoz AG
Publication of ES274130A1publicationCriticalpatent/ES274130A1/en
Process for obtaining derivatives of lysergic acid and dihydrolysergic acid, characterized in that these are adjusted to the general formula I ** (See formula) ** wherein R1 means an alkyl radical containing from 1 to 4 carbon atoms inclusive, an alkenyl radical containing from 2 to 4 carbon atoms inclusive, or an aralkyl radical containing from 7 to 10 carbon atoms inclusive; R2 and R3 each means a hydrogen atom, an alkyl radical containing from 1 to 6 carbon atoms inclusive, a hydroxyalkyl radical containing from 1 to 6 carbon atoms inclusive, an aralkyl radical containing from 7 to 10. carbon atoms inclusive, or a cycloalkyl radical containing not more than 3 carbon atoms; or R2 and R3, together, mean an alkylene radical containing not more than 5 carbon atoms, and (see formula) means the radical (see formula) and why a substituted lysergic or dihydrolysergic acid in the indole nitrogen atom of the general formula II ** (See formula) ** wherein R1 and x and have the above meaning, is first reacted with sulfur trioxide and then with an amine of the general formula III ** (See formula) ** wherein R2 and R3 have the above meanings. (Machine-translation by Google Translate, not legally binding)
ES0274130A1961-01-301962-01-29Procedure for obtaining derivatives of lisergic acid and dihydrolyseric acid (Machine-translation by Google Translate, not legally binding)
ExpiredES274130A1
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