Citric Acid → HCID 25056267, compound

Participants

Reaction Steps

496 mg of the compound obtained in Example 11 was dissolved in 2 mL of ethanol, to which a solution of 273 mg of anhydrous citric acid in 1 mL of water was then slowly added, followed by stirring for 30 min. The reaction mixture was concentrated, to which 2 mL of ethyl acetate and 1 mL of 2-propanol were then added followed by stirring. 15 mL of hexane was added thereto followed by stirring for 10 min and filtration to afford 637 mg of the title compound as a solid.

Provenance & Evidence