Hydrochloric Acid → HCID 67953291, compound

Participants

Reaction Steps

To a solution of (S)-pyrrolidine-2-carboxylic acid (5-tert-butyl-isoxazol-3-yl)-amide; hydrochloride (0.092 g; 0.337 mmol) in tetrahydrofuran (2.5 mL) is added 1,1-dioxo-1λ6-thiomorpholine-4-carbonyl chloride (0.067 g; 0.337 mmol) and N,N-diisopropylethylamine (0.123 mL; 0.708 mmol). The mixture is stirred at room temperature for 3 hours before diluting with ethyl acetate and washing with 1N hydrochloric acid and brine. The organics are concentrated in vacuo and purified by preparatory HPLC. The product fractions are pooled and concentrated in vacuo to afford title compound. ESI m/z 399 [M+H]+/397 [M−H]−

Provenance & Evidence