HCID 135453913, compound → HCID 135692740, compound

Participants

Reaction Conditions

Reaction Steps

The compound from Step A (1.68 gr, 6.24 mmol) was stirred in pyridine (20 mL). The anhydride acetic (2.3 ml, 25 mmol) was added and the mixture was stirred at 20° C. for 16 hours. The mixture was evaporated to dryness to give a syrup which was dissolved in water. The aqueous layer was extracted by acetyl acetate. The organic layer was evaporated to dryness to give the title compound (1.5 gr) as a brown foam.

Provenance & Evidence