Improved process for preparation of 1, 5-pentanediisocyanates from free 1, 5-pentanediamine

The invention provides a method for preparing free PDA by desalting PDA hydrochloride obtained by biological fermentation. The method comprises the following steps: converting lysine hydrochloride into PDA hydrochloride by using lysine decarboxylase; preparing the obtained PDA hydrochloride into an...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	QIU GUISEN, LIU WENJIE, XUE YONGHE, LU CHENGLIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS BEER BIOCHEMISTRY CHEMISTRY ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE METALLURGY MICROBIOLOGY MUTATION OR GENETIC ENGINEERING ORGANIC CHEMISTRY SPIRITS VINEGAR WINE
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