HuagongsheHuagongshe Chemistry Print Report · For research reference only
5-Bromo-2,4-difluorobenzenesulfonamide → 2,4-Difluoro-5-[8-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridin-3-ylethynyl]-benzenesulfonamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 5-Bromo-2,4-difluorobenzenesulfonamide | HCID 2773295 | — |
| Reactant | 3-Ethynyl-8-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridine | HCID 86608011 | — |
| Product | 2,4-Difluoro-5-[8-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridin-3-ylethynyl]-benzenesulfonamide | HCID 16735751 | — |
Reaction Steps
The title compound was prepared from 3-ethynyl-8-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-a]pyridine (example C.18) (310 mg, 0.88 mmol) and 5-Bromo-2,4,-difluorobenzenesulfonamide (226 mg, 0.83 mmol) according to general procedure II. Obtained as an off-white solid (56 mg, 12%). MS (ISP) 546.2 [(M+H)+]; mp 306–307° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07238808B2 |
| Source dataset | uspto-grants-2007_07 |
| ORD ID | ord-4cf1d51d903b406dbf615bf94f9af278 |
| Source note | uspto-grants-2007_07 |