HuagongsheHuagongshe Chemistry Print Report · For research reference only
2-Amino-5-bromo-3-methylpyridine → 3-Methyl-5-[7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyridin-2-ylamine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2-Amino-5-bromo-3-methylpyridine | HCID 137934 | — |
| Reactant | 3-Ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine | HCID 71539732 | — |
| Product | 3-Methyl-5-[7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyridin-2-ylamine | HCID 86608068 | — |
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 mg, 1.0 mmol) and commercially available 2-amino-5-bromo-3-methylpyridine (168 mg, 1.0 mmol) according to general procedure II. Obtained as a dark-red solid (140 mg, 30%). MS (ISP) 462.2 [(M+H)+]; mp 233-234° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07718661B2 |
| Source dataset | uspto-grants-2010_05 |
| ORD ID | ord-d0800a3042db4497abfe655b76727fc5 |
| Source note | uspto-grants-2010_05 |