Hydrochloric Acid → HCID 86742681, compound

Participants

Reaction Steps

A solution of 958 mg of methyl p-[(R)-2-[[(R)-2-(6-chloro-2-pyridyl)-2-hydroxyethyl]amino]propyl]-β-methylcinnamate oxalate (Example 2Ga), 60 ml of 5% methanolic KOH and 10 ml of water were heated to 50° under argon while stirring for 3 hours. For the working-up, the mixture was diluted with water, adjusted to pH 5 with 2N hydrochloric acid and extracted repeatedly with ethyl acetate, The combined extracts were dried and evaporated in a vacuum. There were obtained 550 mg of amorphous p-[(R)-2-[[(R)-2-(6-chloro-2-pyridyl)-2-hydroxyethyl]amino]propyl]-β-methylcinnamic acid hydrochloride [Ε]D20 32 =45° (c=0.5 in MeOH).

Provenance & Evidence