HuagongsheHuagongshe Chemistry Print Report · For research reference only
5-Bromo-2-cyclopropylpyridine → 3-(2-Cyclopropyl-pyridin-5-ylethynyl)-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 5-Bromo-2-cyclopropylpyridine | HCID 22317722 | — |
| Reactant | 3-Ethynyl-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine | HCID 71539732 | — |
| Product | 3-(2-Cyclopropyl-pyridin-5-ylethynyl)-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine | HCID 11852131 | — |
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 5-bromo-2-cyclopropyl-pyridine (Example B.11) (257 mg, 1.3 mmol) according to general procedure II. Obtained as an orange solid (110 mg, 23%). MS (ISP) 473.0 [(M+H)+]; mp 138–140° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07238808B2 |
| Source dataset | uspto-grants-2007_07 |
| ORD ID | ord-b38a1f79afc1417a87f2476f29df04f7 |
| Source note | uspto-grants-2007_07 |