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Sandoz AG
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Sandoz AG
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Publication of ES292360A1publicationCriticalpatent/ES292360A1/en
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Compounds of the formula <FORM:1056429/C2/1> in which R signifies a hydrogen atom or a methyl radical or the corresponding 9,10-dihydro compounds may be produced by dehydrating the corresponding lysergic or 9,10-dihydrolysergic acid amide with phosphorus oxychloride. Examples describe the production of D-lysergic and D-isolysergic acid nitriles, their 1-methyl derivatives and acid maleates thereof. Reference has been directed by the Comptroller to Specification 961,648.
ES0292360A1962-10-121963-10-10Improvements in or relating to new derivatives of lysergic acid
ExpiredES292360A1
(en)