HuagongsheHuagongshe Chemistry Print Report · For research reference only
5-Bromo-2,4-difluorobenzenesulfonamide → 5-[5-(4-Chloro-phenyl)-7-trifluoromethyl-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 | 5-(4-Chloro-phenyl)-3-ethynyl-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidine | HCID 86607995 | — |
| Product | 5-[5-(4-Chloro-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-2,4-difluoro-benzenesulfonamide | HCID 11852721 | — |
Reaction Steps
The title compound was prepared from 5-(4-chloro-phenyl)-3-ethynyl-7-trifluoromethyl pyrazolo[1,5-a]pyrimidine (example C.4) (161 mg, 0.5 mmol) and 5-bromo-2,4-difluoro-benzenesulfonamide (136 mg, 0.5 mmol) according to general procedure II. Obtained as a yellow solid (146 mg, 57%). MS (ISP) 513.3 [(M+H)+]; mp 292-293° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08063048B2 |
| Source dataset | uspto-grants-2011_11 |
| ORD ID | ord-b7483a6d1fb642ffa540f4e9a31dc190 |
| Source note | uspto-grants-2011_11 |