Hydrochloric Acid → HCID 71239397, compound

Participants

Reaction Steps

(+/−)-3-{4-[(3,3-Dimethyl-cyclobutyl)-(6-fluoro-3-methyl-quinolin-2-ylamino)-methyl]-benzoylamino}-propionic acid ethyl ester (14.3 mg, 0.029 mmol), made in a similar manner as Intermediate 27 from Intermediate 29, was dissolved in tetrahydrofuran (1.5 mL) and methanol (0.5 mL), and 1.0 M sodium hydroxide (1 mL) was added. This was stirred as a solution at room temperature for 20 min before 1 N HCl was added to bring to pH 5. This was extracted twice with ethyl acetate and the combined organics dried over MgSO4, and concentrated in vacuo. Purification by reversed-phase HPLC gave (+/−)-3-{4-[(3,3-dimethyl-cyclobutyl)-(6-fluoro-3-methyl-quinolin-2-ylamino)-methyl]-benzoylamino}-propionic acid (10 mg). Analytical LCMS: retention time 2.3998 minutes (Waters Atlantic dC18 4.6×50 mm, 5 μm column; 5% acetonitrile/water (0.05% trifluoroacetic acid modifier) linear gradient to 95% acetonitrile/water over 4.0 minutes, hold at 95% acetonitrile/water for 1.0 minute; flow rate 2.0 mL/minute); MS (M+1): 464.0.

Provenance & Evidence