HuagongsheHuagongshe Chemistry Print Report · For research reference only
5-Ethynylpyridin-2-amine → 5-[7-Trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyridin-3-ylethynyl]-pyridin-2-ylamine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 5-Ethynylpyridin-2-amine | HCID 21954827 | — |
| Reactant | 3-Iodo-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyridine | HCID 86608016 | — |
| Product | 5-[7-Trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyridin-3-ylethynyl]-pyridin-2-ylamine | HCID 16738497 | — |
Reaction Steps
The title compound was prepared from 3-iodo-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyridine (example C.22 step 9) (300 mg, 0.7 mmol) and 5-ethynyl-pyridin-2-ylamine (example D.1) (93 mg, 0.8 mmol) according to general procedure II. Obtained as a yellow solid (230 mg, 78%). MS (ISP) 447.2 [(M+H)+]; mp 243–245° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07238808B2 |
| Source dataset | uspto-grants-2007_07 |
| ORD ID | ord-7279480b484141d6b608769ed75a8ab3 |
| Source note | uspto-grants-2007_07 |