Reaktionsgleichung
[CH3:1][N:2]([C:4]([N:6]=[C:7]([NH2:9])[NH2:8])=[NH:5])[CH3:3].Cl.[C:11]([OH:14])(=[O:13])[CH3:12].[OH-].[Na+]>O>[CH3:1][N:2]([C:4]([NH:6][C:7]([NH2:9])=[NH:8])=[NH:5])[CH3:3].[C:11]([O-:14])(=[O:13])[CH3:12]Komponenten
5
Edukt 3
Produkt 1
Reagenzien, Katalysatoren, Lösungsmittel 1
Reaktionsbedingungen
- Temperatur
- 30 °C
Versuchsvorschrift
20.0 g (1 equivalent) of metformin hydrochloride and 30 Ml of water, and then 10 Ml (1.45 equivalents) of acetic acid were added to a reactor, and stirred for 2 hours at 30° C. to dissolve thoroughly. Then 1.23 g (1.5 equivalents) of aqueous solution of sodium hydroxide was added to the reaction solution. The resulting crystal was filtered and washed with acetone, and then dried at 60° C. to obtain 16.7 g of metformin acetate (yield: 73.0%).
Aufarbeitung
- dissolutionto dissolve thoroughly
- filtrationThe resulting crystal was filtered
- washwashed with acetone
- customdried at 60° C.
Quellen und Nachweise
- ORD-Eintrag
- ord-6fb44aec1ba6457d8f8eea270e485c9a
- Quelldatensatz
- uspto-grants-2013_09
- Patentnummer
- US08541474B2
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