Morpholine → 4-(3-Fluoro-4-{3-[(1S)-2-methoxy-1-methylethoxy]-5-[5-(1,3-thiazol-2-yl)-1H-pyrrol-2-yl]phenoxy}benzoyl)morpholine

Participants

Reaction Steps

3-Fluoro-4-{3-[(1S)-2-methoxy-1-methylethoxy]-5-[5-(1,3-thiazol-2-yl)-1H-pyrrol-2-yl]phenoxy}benzoic acid (49.0 mg, 0.105 mmol) synthesized in Example (44a) was dissolved in tetrahydrofuran (5 mL), and morpholine (22 pt, 0.26 mmol), HATU (64.5 mg, 0.170 mmol) and N,N-diisopropylethylamine (89 μL, 0.51 mmol) were added, followed by stirring at room temperature for 4 hours under nitrogen atmosphere. To the reaction solution, saturated brine (15 mL) was added, and extraction was carried out twice with ethyl acetate (15 mL), followed by drying over sodium sulfate. The solvent was distilled off under reduced pressure, and the resulting residue was purified using silica gel column chromatography (elution solvent: ethyl acetate/hexane=0%-75%) to afford the desired compound (39 mg, yield 70%) as a pale yellow solid.

Provenance & Evidence