Hydrogen chloride-ethyl acetate → HCID 66975036, compound

Participants

Reaction Steps

To a solution of tert-butyl (6RS,7SR)-6-[(carbamoylamino)methyl]-7-(3,4-dichlorophenyl)-1,4-oxazepane-4-carboxylate (160 mg) in ethanol (0.5 mL) was added 4 N hydrogen chloride-ethyl acetate solution (3.0 mL), and the mixture was stirred at room temperature for 2 hr. The crystals obtained by concentration under reduced pressure were recrystallized from ethanol-water to give the title compound (102 mg).

Provenance & Evidence