HuagongsheHuagongshe Chemistry Print Report · For research reference only
7-Trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid → HCID 16068664, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 7-Trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid | HCID 86607112 | — |
| Reactant | HCID 178513339 | HCID 178513339 | — |
| Product | HCID 16068664 | HCID 16068664 | — |
Reaction Steps
The title compound was prepared from 7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (example C.2) (188 mg, 0.5 mmol) and commercially available N-hydroxy-nicotinamidine [CAS-No. 1594-58-7] (103 mg, 0.75 mmol) according to general procedure II. Obtained after purification by column chromatography (dichloromethane/MeOH/NH4OH) and crystallization (dichloromethane/MeOH/hexane) as a yellow solid (126 mg, 53%). MS (EI) 476.1 [(M+H)+]; mp 199° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08349844B2 |
| Source dataset | uspto-grants-2013_01 |
| ORD ID | ord-369a554a515f47c4bfbe7a79e55b335b |
| Source note | uspto-grants-2013_01 |