HuagongsheHuagongshe Chemistry Print Report · For research reference only
Trifluoroacetic acid → 4-{[(1S*,2R*)-2-(1-Ethyl-1H-pyrazol-5-yl)cyclopentyl]oxy}-2,5-difluoro-N-(pyrimidin-4-yl)benzenesulfonamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Trifluoroacetic acid | HCID 6422 | — |
| Reactant | Triethylsilane | HCID 12052 | — |
| Reactant | N-(2,4-Dimethoxybenzyl)-4-{[(1S*,2R*)-2-(1-ethyl-1H-pyrazol-5-yl)cyclopentyl]oxy}-2,5-difluoro-N-(pyrimidin-4-yl)benzenesulfonamide | HCID 89963510 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | 4-{[(1S*,2R*)-2-(1-Ethyl-1H-pyrazol-5-yl)cyclopentyl]oxy}-2,5-difluoro-N-(pyrimidin-4-yl)benzenesulfonamide | HCID 89963685 | 72% |
Reaction Steps
The reaction and aftertreatment were conducted in the same manner as in Example 1b by using the N-(2,4-dimethoxybenzyl)-4-{[(1S*,2R*)-2-(1-ethyl-1H-pyrazol-5-yl)cyclopentyl]oxy}-2,5-difluoro-N-(pyrimidin-4-yl)benzenesulfonamide (210 mg, 0.350 mmol) prepared in Example 37b, triethylsilane (0.20 mL), trifluoroacetic acid (2.0 mL) and dichloromethane (2.0 mL), to yield the title compound (113 mg, 72%) 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-5717a31f47d6491fa4a503c5e0a76d61 |
| Source note | uspto-grants-2014_11 |