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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Covex SA
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Covex SA
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Publication date
Application filed by Covex SAfiledCriticalCovex SA
Priority to ES524310ApriorityCriticalpatent/ES8505675A1/en
Publication of ES524310A0publicationCriticalpatent/ES524310A0/en
Publication of ES8505675A1publicationCriticalpatent/ES8505675A1/en
(-)Eburnamonine salts of formula (I) are made by (a) reacting (-)eburnamonine base or its salts with aq. solns. of organic acids such as alpha-keto glutaric, cyclamic or saccharic acid, or their sodium or potassium salts at 15-80 deg. C for 3-5 minutes; and (b) cooling the mixt. to 0-5 deg. C to ppt. the salts totally or partially.
ES524310A1983-07-201983-07-20Prepn. of eburnamonine salts
ExpiredES8505675A1
(en)