HuagongsheHuagongshe Chemistry Print Report · For research reference only
Trifluoroacetic acid → 2,5-Difluoro-4-{[(1S*,2R*)-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-{[(1S*,2R*)-2-(1-methyl-1H-pyrazol-5-yl)cyclopentyl]oxy}-N-(pyrimidin-4-yl)benzenesulfonamide | HCID 89963423 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | 2,5-Difluoro-4-{[(1S*,2R*)-2-(1-methyl-1H-pyrazol-5-yl)cyclopentyl]oxy}-N-(pyrimidin-4-yl)benzenesulfonamide | HCID 71711785 | 100% |
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-{[(1S*,2R*)-2-(1-methyl-1H-pyrazol-5-yl)cyclopentyl]oxy}-N-(pyrimidin-4-yl)benzenesulfonamide (0.54 g, 1.24 mmol) prepared in Example 14c, triethylsilane (1.98 mL, 12.4 mmol), trifluoroacetic acid (0.96 mL, 12.4 mmol) and dichloromethane (20 mL), to yield the title compound (0.54 g, 99%) 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-129e3a20385840548af4e6e5dd8c4018 |
| Source note | uspto-grants-2014_11 |