HuagongsheHuagongshe Chemistry Print Report · For research reference only
2-Amino-5-bromopyridine → 5-[7-Trifluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyridin-2-ylamine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2-Amino-5-bromopyridine | HCID 70622 | — |
| Reactant | 3-Ethynyl-7-trifluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine | HCID 86608055 | — |
| Product | 5-[7-Trifluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyridin-2-ylamine | HCID 86608109 | — |
Reaction Steps
The title compound was prepared from 3-ethynyl-7-trifluoromethyl-5-(3-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (example C.10) (178 mg, 0.5 mmol) and commercially available 6-amino-3-bromo-pyridine (87 mg, 0.5 mmol) according to general procedure II. Obtained as an orange solid (19 mg, 9%). MS (ISP) 447.9 [(M+H)+]; mp 177° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07238808B2 |
| Source dataset | uspto-grants-2007_07 |
| ORD ID | ord-0a2aab390778452ba03acdc798e1bc03 |
| Source note | uspto-grants-2007_07 |