HuagongsheHuagongshe Chemistry Print Report · For research reference only
5-Ethynylpyridin-2-amine → 5-[8-Trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-b]pyridazin-3-ylethynyl]-pyridin-2-ylamine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 5-Ethynylpyridin-2-amine | HCID 21954827 | — |
| Reactant | 3-Iodo-8-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-b]pyridazine | HCID 86608024 | — |
| Product | 5-[8-Trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-b]pyridazin-3-ylethynyl]-pyridin-2-ylamine | HCID 16738271 | — |
Reaction Steps
The title compound was prepared from 3-iodo-8-trifluoromethyl-6-(4-trifluoromethyl-phenyl)-imidazo[1,2-b]pyridazine (example C.26 step 11) (229 mg, 0.5 mmol) and 5-ethynyl-pyridin-2-ylamine (example D.1) (101 mg, 0.85 mmol) according to general procedure II. Obtained as a bright orange solid (180 mg, 80%). MS (ISP) 448.2 [(M+H)+]; mp 267° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08063048B2 |
| Source dataset | uspto-grants-2011_11 |
| ORD ID | ord-4e82def3f4464b77ad6d485d683c83a8 |
| Source note | uspto-grants-2011_11 |