VERFAHREN ZUR HERSTELLUNG VON UNSYMMETRISCHEN DIHYDROPYRIDINEN

VERFAHREN ZUR HERSTELLUNG VON UNSYMMETRISCHEN DIHYDROPYRIDINEN

Nitrenedipine is prepared by reaction of an ylidene compound of the formula II (IIa) or (IIb) with an enamine compound of the formula (IIIa) or (IIIb) the reaction being carried out in an organic solvent in the presence of catalytic amounts of diisopropylamine acetate or dimethylbenzylamine acetate.

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Bibliographische Detailangaben
Hauptverfasser: NAAB,PAUL,DR, TELLER,WERNER,DR, LANGE,WILLI
Format: Patent
Sprache:ger
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:Nitrenedipine is prepared by reaction of an ylidene compound of the formula II (IIa) or (IIb) with an enamine compound of the formula (IIIa) or (IIIb) the reaction being carried out in an organic solvent in the presence of catalytic amounts of diisopropylamine acetate or dimethylbenzylamine acetate.