FORFARANDE FOR FRAMSTELLNING AV APOVINKAMINSYRAESTRAR
Apovincaminic acid esters of the general formula (I> (wherein R and R independently represent alkyl groups having from 1 to 6 carbon atoms) may be prepared by reacting a hydroxyamino-E-homo- eburnane of the general formula (II> (wherein R and R are as defined above) or an acid addition salt th...
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Format: | Patent |
Sprache: | swe |
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Zusammenfassung: | Apovincaminic acid esters of the general formula (I> (wherein R and R independently represent alkyl groups having from 1 to 6 carbon atoms) may be prepared by reacting a hydroxyamino-E-homo- eburnane of the general formula (II> (wherein R and R are as defined above) or an acid addition salt thereof with an organic sulfonic acid, in an aprotic organic solvent. The compounds of the general formula (I) are useful pharmaceuticals. |
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