HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Bromobenzenesulfonamide → 4-[5-(3,4-Dichloro-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-benzenesulfonamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Bromobenzenesulfonamide | HCID 69696 | — |
| Reactant | 5-(3,4-Dichloro-phenyl)-3-ethynyl-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidine | HCID 86608051 | — |
| Product | 4-[5-(3,4-Dichloro-phenyl)-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-benzenesulfonamide | HCID 67001103 | — |
Reaction Steps
The title compound was prepared from 5-(3,4-dichloro-phenyl)-3-ethynyl-7-trifluoromethyl-pyrazolo[1,5-a]pyrimidine (example C.9) (89 mg, 0.25 mmol) and 4-bromo-benzenesulfonamide (59 mg, 0.25 mmol) according to general procedure II. Obtained as a yellow solid (43 mg, 33%). MS (ISN) 509.0 [(M−H)−]; mp 273–274° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07238808B2 |
| Source dataset | uspto-grants-2007_07 |
| ORD ID | ord-3e88b3c1e9474146ae0485b431b783e3 |
| Source note | uspto-grants-2007_07 |