Ethanol hydrochloride → HCID 66975266, compound

Participants

Reaction Steps

To a solution of tert-butyl (6R,7R)-6-(3,4-dichlorophenyl)-7-[(1R)-1,2-dihydroxyethyl]-1,4-oxazepane-4-carboxylate (170 mg) obtained in Example 45, step M) in ethanol (5 ml) was added 12 mol/kg hydrogen chloride-ethanol solution (5 mL), and the mixture was stirred at room temperature for 15 min. The solvent was evaporated under reduced pressure, and the residue was crystallized from water-ethanol-diethyl ether to give the title compound (115 mg) as colorless crystals.

Provenance & Evidence