Acetic Anhydride → HCID 178474992, compound

Participants

Reaction Steps

Acetic anhydride (0.012 mL) and triethylamine (0.021 mL) were added to a solution of compound (61) (0.050 g) prepared in Example 61 in dichloromethane (10 mL), followed by stirring at room temperature for 1 hr. The solvent was distilled away under reduced pressure, and water was added to the residue. The precipitate was collected by filtration, washed by sprinkling water and ether, and dried under reduced pressure to obtain compound (62) (0.043 g, 78%) as a white solid.

Provenance & Evidence