HuagongsheHuagongshe Chemistry Print Report · For research reference only
Trifluoroacetic acid → 2,5-Difluoro-4-{[(1R,2S)-2-(1-methyl-1H-pyrazol-5-yl)cyclopentyl]oxy}-N-(pyrimidin-4-yl)benzenesulfonamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Trifluoroacetic acid | HCID 6422 | — |
| Reactant | Triethylsilane | HCID 12052 | — |
| Reactant | N-(2,4-Dimethoxybenzyl)-2,5-difluoro-4-{[(1R,2S)-2-(l-methyl-1H-pyrazol-5-yl)cyclopentyl]oxy}-N-(pyrimidin-4-yl)benzenesulfonamide | HCID 89963477 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | 2,5-Difluoro-4-{[(1R,2S)-2-(1-methyl-1H-pyrazol-5-yl)cyclopentyl]oxy}-N-(pyrimidin-4-yl)benzenesulfonamide | HCID 89963282 | 74.2% |
Reaction Steps
The reaction and aftertreatment were conducted in the same manner as in Example 1b by using the N-(2,4-dimethoxybenzyl)-2,5-difluoro-4-{[(1R,2S)-2-(1-methyl-1H-pyrazol-5-yl)cyclopentyl]oxy}-N-(pyrimidin-4-yl)benzenesulfonamide (436 mg, 0.74 mmol) prepared in Example 78a, triethylsilane (0.20 mL), trifluoroacetic acid (2.0 mL) and dichloromethane (2.0 mL), to yield the title compound (239 mg, 74%) as a colorless solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08889741B2 |
| Source dataset | uspto-grants-2014_11 |
| ORD ID | ord-f59a86f83e974e37a50c24ee7b968fea |
| Source note | uspto-grants-2014_11 |