Method for preparing substituted (S)-pyrrolidine-2-formonitrile and vildagliptin

The invention provides a method for preparing (S)-1-(2-halogenated acetyl)pyrrolidine-2-formonitrile as shown in the formula (I). Optionally in the presence of a diluent, (S)-1-(2-halogenated acetyl)pyrrolidine-2-formamide and a dehydrating agent propanephosphonic acid cyclic anhydride (T3P) react w...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Yuan Jiancheng, Liu Feimeng, Fang Yihua, Liu Jian, Ma Yaping
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY HETEROCYCLIC COMPOUNDS METALLURGY ORGANIC CHEMISTRY
Online-Zugang:	Volltext bestellen
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