HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Bromobenzenesulfonamide → 3-[5-(4-Chloro-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-benzenesulfonamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Bromobenzenesulfonamide | HCID 69696 | — |
| Reactant | 5-(4-Chloro-phenyl)-3-ethynyl-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidine | HCID 86607995 | — |
| Product | 3-[5-(4-Chloro-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-benzenesulfonamide | HCID 11852722 | — |
Reaction Steps
The title compound was prepared from 5-(4-Chloro-phenyl)-3-ethynyl-7-trifluoromethyl pyrazolo[1,5-a]pyrimidine (example C.4) (322 mg, 1.0 mmol) and 4-bromo-benzenesulfonamide (236 mg, 1.0 mmol) according to general procedure II. Obtained as a yellow solid (320 mg, 67%). MS (ISP) 477.0 [(M+H)+]; mp 290–293° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07238808B2 |
| Source dataset | uspto-grants-2007_07 |
| ORD ID | ord-390079f0a56740b6854335d73981a816 |
| Source note | uspto-grants-2007_07 |