HuagongsheHuagongshe Chemistry Print Report · For research reference only
5-Bromopyridine-2-carboxamide → 5-[7-Difluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyridine-2-carboxylic acid amide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 5-Bromopyridine-2-carboxamide | HCID 735151 | — |
| 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]-pyridine-2-carboxylic acid amide | HCID 67000996 | — |
Reaction Steps
The title compound was prepared from 3-ethynyl-7-difluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.2) (340 g, 1.0 mmol) and 5-bromo-pyridine-2-carboxylic acid amide (example B.47) (181 mg, 0.9 mmol) according to general procedure II. Obtained as a yellow solid (300 mg, 65%). MS (ISP) 458.1 [(M+H)+]; mp 276-277° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07718661B2 |
| Source dataset | uspto-grants-2010_05 |
| ORD ID | ord-861ee20133154882b239d330b9461b91 |
| Source note | uspto-grants-2010_05 |