HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Bromobenzenesulfonamide → 4-[7-Trifluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-benzenesulfonamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Bromobenzenesulfonamide | HCID 69696 | — |
| Reactant | 3-Ethynyl-7-trifluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine | HCID 86608055 | — |
| Product | 4-[7-Trifluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-benzenesulfonamide | HCID 11851922 | — |
Reaction Steps
The title compound was prepared from 3-ethynyl-7-trifluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.1) (178 mg, 0.5 mmol) and commercially available 4-bromo-benzenesulfonamide (118 mg, 0.5 mmol) according to general procedure II. Obtained as a yellow solid (106 mg, 42%). MS (ISN) 509.2 [(M−H)−]; mp 264° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07446113B2 |
| Source dataset | uspto-grants-2008_11 |
| ORD ID | ord-c1755ed322884925837e87c97b7c6b7e |
| Source note | uspto-grants-2008_11 |