Bisoprolol fumarate impurity and preparation method thereof

The invention discloses a bisoprolol fumarate impurity and a preparation method thereof, according to the method, bisoprolol is taken as a raw material, and the impurity is synthesized through a three-step reaction. The method comprises the following steps: 1) reacting a compound I with dimethyl but...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SONG XUEPAN, ZHANG SHAN, LIU JIN, LIU ZHIPING, CHENG BINBIN, XIAO WENSONG, HUANG DONG, DONG HAILI, HAN XIE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY
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