HuagongsheHuagongshe Chemistry Print Report · For research reference only
5-Bromo-2-fluorobenzenesulfonamide → 5-[7-Difluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-2-fluoro-benzenesulfonamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 5-Bromo-2-fluorobenzenesulfonamide | HCID 5018756 | — |
| Reactant | 3-Ethynyl-7-difluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine | HCID 86608034 | — |
| Product | 5-[7-Difluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-2-fluoro-benzenesulfonamide | HCID 86608047 | — |
Reaction Steps
The title compound was prepared from 7-Difluoromethyl-3-ethynyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.2) (340 mg, 1.0 mmol) and 5-bromo-2-fluorobenzenesulfonamide (231 mg, 1.0 mmol) according to general procedure II. Obtained as a yellow solid (180 mg, 35%). MS (ISP) 587.2 [(M+H)+]; mp 247-249° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08063048B2 |
| Source dataset | uspto-grants-2011_11 |
| ORD ID | ord-154cf92439fa4b9183cd67bda870b2f2 |
| Source note | uspto-grants-2011_11 |