HuagongsheHuagongshe Chemistry Print Report · For research reference only
5-Bromonicotinamide → 5-[7-Trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-nicotinamide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 5-Bromonicotinamide | HCID 1808 | — |
| Reactant | 3-Ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine | HCID 71539732 | — |
| Product | 5-[7-Trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-nicotinamide | HCID 11852032 | — |
Reaction Steps
The title compound was prepared from 3-ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.1) (400 mg, 1.13 mmol) and 5-bromonicotinamide [CAS 28733-43-9; commercially available] (204 mg, 1.0 mmol) according to general procedure II. Obtained as a yellow solid (140 mg, 26%). MS (ISP) 476.2 [(M+H)+]; mp 285-287° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07718661B2 |
| Source dataset | uspto-grants-2010_05 |
| ORD ID | ord-a86ca4eff7b443eaa2ceef26ca3f4ed9 |
| Source note | uspto-grants-2010_05 |