Methanol → Methyl Aminolevulinate Hydrochloride

Participants

Reaction Conditions

Reaction Steps

To a 500 ml glass reactor containing 200 ml methanol, was added 1 g 5-amino-levulinic acid hydrochloride and 1 drop conc. HCl. The reaction mixture was then stirred overnight at 60° C. The progress of the esterification was followed by 1H-NMR. Excess methanol was removed by distillation, and the product further dried under vacuum at 30–40° C., giving methyl 5-aminolevulinate hydrochloride. The structure was confirmed by 1H-NMR in DMSO-d6.

Provenance & Evidence