HuagongsheHuagongshe Chemistry Print Report · For research reference only
6-Bromopyridazin-3-amine → 6-[7-Trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyridazin-3-ylamine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 6-Bromopyridazin-3-amine | HCID 2794779 | — |
| Reactant | 3-Ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine | HCID 71539732 | — |
| Product | 6-[7-Trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyridazin-3-ylamine | HCID 86608106 | — |
Reaction Steps
The title compound was prepared from 3-ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.1) (355 g, 1.0 mmol) and commercially available 6-bromo-3-pyridazinamine (226 mg, 1.3 mmol) according to general procedure II. Obtained as a light brown solid (270 mg, 60%). MS (ISP) 449.2 [(M+H)+]; mp 214-216° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07446113B2 |
| Source dataset | uspto-grants-2008_11 |
| ORD ID | ord-11b23c56244f417fb7e7b80d0db6f49a |
| Source note | uspto-grants-2008_11 |