HuagongsheHuagongshe Chemistry Print Report · For research reference only
2-Amino-5-bromopyrimidine → 5-[7-Trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyrimidin-2-ylamine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2-Amino-5-bromopyrimidine | HCID 231310 | — |
| Reactant | 3-Ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine | HCID 71539732 | — |
| Product | 5-[7-Trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidin-3-ylethynyl]-pyrimidin-2-ylamine | HCID 86608093 | — |
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 2-amino-5-bromopyrimidine (226 mg, 1.3 mmol) according to general procedure II. Obtained as a brown solid (60 mg, 14%). MS (ISP) 449.2 [(M+H)+]; mp 255-256° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08063048B2 |
| Source dataset | uspto-grants-2011_11 |
| ORD ID | ord-7b38c332ea804d6d9c67f6acfb2c179a |
| Source note | uspto-grants-2011_11 |