Ethanol hydrochloride → HCID 77244194, compound

Participants

Reaction Steps

To tert-butyl (6RS,7SR)-7-(4-chloro-3-fluorophenyl)-6-(hydroxymethyl)-1,4-oxazepane-4-carboxylate (229 mg) was added 2 N hydrogen chloride-ethanol solution (1.02 ml), and the mixture was stirred at room temperature for 1 hr. Further, 14.7 N hydrogen chloride-ethanol solution (2 mL) was added, and the mixture was stirred for 10 min. The oil obtained by concentration under reduced pressure was crystallized from diisopropyl ether-ethanol to give the title compound (146 mg).

Provenance & Evidence