HuagongsheHuagongshe Chemistry Print Report · For research reference only
5-Bromo-2,4-difluorobenzenesulfonamide → 5-[7-Difluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-2,4-difluoro-benzenesulfonamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 5-Bromo-2,4-difluorobenzenesulfonamide | HCID 2773295 | — |
| Reactant | 3-Ethynyl-7-difluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine | HCID 86608081 | — |
| Product | 5-[7-Difluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-2,4-difluoro-benzenesulfonamide | HCID 11852517 | — |
Reaction Steps
The title compound was prepared from 7-difluoromethyl-3-ethynyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.2) (169 mg, 0.5 mmol) and commercially available 5-bromo-2,4-difluoro-benzenesulfonamide (136 mg, 0.5 mmol) according to general procedure II. Obtained as a yellow solid (76 mg, 29%). MS (ISN) 527.0 [(M−H)−]; mp 277° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07446113B2 |
| Source dataset | uspto-grants-2008_11 |
| ORD ID | ord-d4fa2bba3afc4590b4bbdae690fd35bb |
| Source note | uspto-grants-2008_11 |