反应详情

To a suspension of 3-[5-(hydroxymethyl)-1H-tetrazol-1-yl]-5-(trifluoromethyl)benzamide (500 mg, 1.741 mmol) in toluene (5 mL) was added thionyl chloride (0.140 mL, 1.92 mmol) and the reaction heated to reflux for 4 hours. The reaction was allowed to cool and the solvent removed under vacuum. The residue was partitioned between DCM (20 mL) and water (10 mL). The organic layer collected via a hydrophobic frit and the solvent removed under vacuum. The residue was purified by silica chromatography (Biotage SP4, eluting 10% EtOAc in iso-hexane (5 column volumes) then a gradient from 10-100% EtOAc in iso-hexane (over 10 column volumes)) to yield the title compound as a pale yellow gum (360 mg).

1. temperaturethe reaction heated
2. temperatureto reflux for 4 hours
3. temperatureto cool
4. customthe solvent removed under vacuum
5. customThe residue was partitioned between DCM (20 mL) and water (10 mL)
6. customThe organic layer collected via a hydrophobic frit
7. customthe solvent removed under vacuum
8. customThe residue was purified by silica chromatography (Biotage SP4
9. washeluting 10% EtOAc in iso-hexane (5 column volumes)