HuagongsheHuagongshe Chemistry Print Report · For research reference only
Trimethylsilylacetylene → 7-Trifluoromethyl-5-(4-trifluoromethyl-phenyl)-3-trimethylsilanylethynyl-pyrazolo[1,5-a]pyrimidine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Trimethylsilylacetylene | HCID 66111 | — |
| Reactant | 3-Iodo-7-(trifluoromethyl)-5-(4-(trifluoromethyl)phenyl)pyrazolo[1,5-a]pyrimidine | HCID 71539730 | — |
| Product | 7-Trifluoromethyl-5-(4-trifluoromethyl-phenyl)-3-trimethylsilanylethynyl-pyrazolo[1,5-a]pyrimidine | HCID 71539733 | 101.3% |
Reaction Steps
Prepared from 3-iodo-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (87.5 g, 191 mmol) and trimethylsilylacetylene (54 mL, 390 mmol) as described in Example C.1, method 1, step 3a, to give the 7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-3-trimethylsilanylethynyl-pyrazolo[1,5-a]pyrimidine (82.71 g, 100%) as a yellow-orange solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US07238808B2 |
| Source dataset | uspto-grants-2007_07 |
| ORD ID | ord-c36d946513034ab2b8ed71c65d1a7634 |
| Source note | uspto-grants-2007_07 |