METHOD OF DIHYDROERGOCRISTINE PREPARING

FIELD: pharmaceutical industry, chemical technology. SUBSTANCE: method involves hydrogenation of ergocristine over freshly prepared Raney-Ni in ethanol. Then catalyst is separated and dihydroergocristine is isolated as salt with methanesulfonic acid. EFFECT: simplified process. 3 cl, 2 ex

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Bibliographische Detailangaben
Hauptverfasser:	LIBIZOVA L.F, FEDOROV S.V, VECHKANOVA L.D, ZVONKOVA E.N, ANUFRIEVA V.V, BYKOV V.A, LAPA G.B, GLOTOV A.A
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS
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Beschreibung
Zusammenfassung:	FIELD: pharmaceutical industry, chemical technology. SUBSTANCE: method involves hydrogenation of ergocristine over freshly prepared Raney-Ni in ethanol. Then catalyst is separated and dihydroergocristine is isolated as salt with methanesulfonic acid. EFFECT: simplified process. 3 cl, 2 ex