HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Bromobenzenesulfonamide → 4-[7-Difluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-benzenesulfonamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Bromobenzenesulfonamide | HCID 69696 | — |
| Reactant | 3-Ethynyl-7-difluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine | HCID 86608034 | — |
| Product | 4-[7-Difluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-benzenesulfonamide | HCID 11851718 | — |
Reaction Steps
The title compound was prepared from 7-Difluoromethyl-3-ethynyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.2) (337 mg, 1.0 mmol) and 4-bromobenzenesulfonamide [CAS 701-34-8] (307 mg, 1.3 mmol) according to general procedure II. Obtained as a yellow solid (150 mg, 30%). MS (ISP) 493.2 [(M+H)+]; mp 254° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08063048B2 |
| Source dataset | uspto-grants-2011_11 |
| ORD ID | ord-6f5e02757d9242978a744f2939a5685a |
| Source note | uspto-grants-2011_11 |