hydroxocobalamin hydrochloride
acetylcobalamin
Conditions | Yield |
---|---|
With lithium perchlorate; acetic anhydride In methanol; water Kinetics; Electrolysis; the electrosynthesis was carried out at a potential -1.2 V vs. SCE; after that the cell was placed into ice-bath and protected from light; holding the potential at -1.2 V freshly distilled Ac2O was added; after 2 h oxygen-free acetone was added; identified by elem. anal., UV, IR spectroscopy and mass-spectrometry; | 97% |
Specified conditions are stable, away from oxides.
The same with cyanocobalamin
Store in a sealed container filled with inert gas and stored in a cool, dry place. 2-8 s. C preservation.
By hydroxocobalamine and sodium pyrosulfite and replacement, nitrite and nitrosation, finally hydrochloride salt.
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