Glycine → HCID 85759969, compound

Participants

Reaction Steps

To a mixture of 4-hydroxy-2-oxo-2H-chromene-3-carboxylic acid methyl ester (150 mg, 0.68 mmol) in DMF (12 mL) was added glycine (1.03 g, 13.6 mmol) and NaOMe (0.5 M in MeOH, 20.4 mL, 10.2 mmol) at rt. It was concentrated in an evaporator to remove most MeOH solvent. The resulting mixture was refluxed for 2 h. After cooled, it was diluted with water (100 mL) and acidified by 1 N HCl to pH=3-4. Precipitate was collected, rinsed with water and dried in vacuo. Crude solid was triturated in hexanes, and solid product was collected and dried to give the title compound (76 mg). MS ESI(+) m/e: 264 (M+1).

Provenance & Evidence