HuagongsheHuagongshe Chemistry Print Report · For research reference only
5-Bromo-2-thiophenesulfonamide → 5-[7-Difluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-thiophene-2-sulfonic acid amide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 5-Bromo-2-thiophenesulfonamide | HCID 1241304 | — |
| Reactant | 3-Ethynyl-7-difluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine | HCID 86608081 | — |
| Product | 5-[7-Difluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-thiophene-2-sulfonic acid amide | HCID 67000926 | — |
Reaction Steps
The title compound was prepared from 3-ethynyl-7-difluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.15) (169 mg, 0.5 mmol) and commercially available 5-bromo-thiophene-2-sulfonamide (121 mg, 0.5 mmol) according to general procedure II. Obtained as a yellow solid (180 mg, 72%). MS (ISN) 497.0 [(M−H)−]; mp 225° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08063048B2 |
| Source dataset | uspto-grants-2011_11 |
| ORD ID | ord-40e3f4808a694d0086d49ffb1a1b3a23 |
| Source note | uspto-grants-2011_11 |