L-Proline → HCID 57425861, compound

Participants

Reaction Steps

Into a 500 ml beaker on a magnetic hot plate place magnetic stirrer, 2.07 g Zinc oxide DAB 6 and 25.36 g L-proline DAB 6 (1:9 molecular ratio) and 200 ml 65% ethanol. Heat to gentle boiling under stirring. After a few minutes the ZnO has dissolved. Allow the solution to cool, transfer into a 250 ml volumetric flask and fill to the mark with 65% ethanol. Filter into a bottle for storage. 150 μl of this stock solution contain 1 mg zinc and 16.1 mg L-proline.

Provenance & Evidence