Hydrochloric Acid → 5-(Azetidin-1-ylcarbonyl)-2-{3-[(1S)-2-methoxy-1-methylethoxy]-5-[5-(1,3-thiazol-2-yl)-1H-pyrrol-2-yl]phenoxy}pyridine

온도

100 °C

t-Butyl 2-{3-hydroxy-5-[(1S)-2-methoxy-1-methylethoxy]phenyl}-5-(1,3-thiazol-2-yl)-1H-pyrrole-1-carboxylate (84 mg, 0.195 mmol) synthesized in Example (38d) and 5-(azetidin-1-ylcarbonyl)-2-chloropyridine (110 mg, 0.559 mmol) synthesized in Example (59a) were dissolved in dimethyl sulfoxide (3.0 mL), and sodium hydride (60%, 30 mg, 0.75 mmol) was added, followed by stirring at 100° C. for 2 hours under nitrogen atmosphere. The reaction solution was cooled to room temperature, 2N hydrochloric acid (30 mL) was added, and extraction was carried out with ethyl acetate (30 mL). The organic layer was washed with saturated brine, and subsequently dried over anhydrous magnesium 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=75%-90%) to afford the desired compound (56 mg, yield 59%) as a yellow solid.

1. temperatureThe reaction solution was cooled to room temperature
2. extractionextraction
3. washThe organic layer was washed with saturated brine
4. dry with materialsubsequently dried over anhydrous magnesium sulfate
5. distillationThe solvent was distilled off under reduced pressure
6. customthe resulting residue was purified
7. washsilica gel column chromatography (elution solvent: ethyl acetate/hexane=75%-90%)

ORD 기록

ord-45fffc190f8d4eef8f218e43ada32f2a

출처 데이터셋

uspto-grants-2011_09

DOI

10.6084/m9.figshare.5104873.v1

특허 번호

US08017610B2