Hydrochloric Acid → 4-((4-((3S)-3-cyano-3-cyclopropyl-2-oxopyrrolidin-1-yl)pyrimidin-2-yl)amino)-2-ethoxybenzoic acid hydrochloride

Participants

Reaction Steps

To a solution of tert-butyl 4-((4-((3S)-3-cyano-3-cyclopropyl-2-oxopyrrolidin-1-yl)pyrimidin-2-yl)amino)-2-ethoxybenzoate (40 mg) obtained in Step D of Example 139 in ethyl acetate (4.0 mL) was added a solution of 4 M hydrogen chloride in ethyl acetate (4.0 mL), the mixture was stirred at room temperature for 2 hr, and the solvent was evaporated under reduced pressure. The residue was washed with ethyl acetate to give the title compound (20 mg).

Provenance & Evidence