Glycine → HCID 24757335, compound

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Reaction Steps

A mixture of 2-(3-chloro-4-fluoro-phenyl)-7-hydroxy-thiazolo[4,5-c]pyridine-6-carboxylic acid ethyl ester (101 mg, 0.29 mmole) and glycine (429 mg, 5.72 mmole) in 0.5 M sodium methoxide/methanol (10.9 ml, 5.43 mmole) was refluxed for 4 days before it was cooled to room temperature and concentrated in vacuo. The residue was dissolved in water (100 ml) and extracted with dichloromethane (3×50 ml). The remaining aqueous layer was acidified to pH=3 with 1N HCl (6.5 ml). The resulting precipitate was filtered, washed with water and dried in vacuo to give the title compound as a brown solid (58 mg). 1H NMR (DMSO-d6, 200 MHz): δ=9.50 (br s, 1H), 8.89 (s, 1H), 8.36 (m, 1H), 8.16 (m, 1H), 7.65 (t, 1H), 4.03 (d, 2H, J=5.8 Hz); MS: (+) m/z 382.19 (M+1).

Provenance & Evidence