HuagongsheHuagongshe Chemistry Print Report · For research reference only
5-bromo-N-(pyridin-3-yl)thiophene-2-sulfonamide → 5-[7-Difluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-thiophene-2-sulfonic acid pyridin-3-ylamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 5-bromo-N-(pyridin-3-yl)thiophene-2-sulfonamide | HCID 933073 | — |
| Reactant | 3-Ethynyl-7-difluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine | HCID 86608034 | — |
| Product | 5-[7-Difluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-thiophene-2-sulfonic acid pyridin-3-ylamide | HCID 67001281 | — |
Reaction Steps
The title compound was prepared from 7-difluoromethyl-3-ethynyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.2) (169 mg, 0.5 mmol) and commercially available 5-bromo-thiophene-2-sulfonic acid pyridin-3-ylamide [CAS-No. 439934-18-6] (160 mg, 0.5 mmol) according to general procedure II. Obtained as a yellow solid (220 mg, 76%). MS (ISN) 574.1 [(M−H)−]; mp 226° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08063048B2 |
| Source dataset | uspto-grants-2011_11 |
| ORD ID | ord-2db632eff3534f2eaac91c82a4c83996 |
| Source note | uspto-grants-2011_11 |