HuagongsheHuagongshe Chemistry Print Report · For research reference only
Potassium Carbonate → 4-[4-(6-Trifluoromethyl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | 5-Hydroxy-2-(trifluoromethyl)pyridine | HCID 2783388 | — |
| Reactant | Tert-butyl 4-(4-chloro-1H-pyrazolo[3,4-D]pyrimidin-1-YL)piperidine-1-carboxylate | HCID 57964905 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | 4-[4-(6-Trifluoromethyl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester | HCID 57965033 | 22% |
Reaction Steps
4-[4-(6-Trifluoromethyl-pyridin-3-yloxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester (15 mg, 22%) was prepared using the procedure described for the preparation of Example 96, by the reaction of 4-(4-chloro-pyrazolo[3,4-d]pyrimidin-1-yl)-piperidine-1-carboxylic acid tert-butyl ester (Intermediate 19; 50 mg, 0.15 mmol) with 6-trifluoromethyl-pyridin-3-ol (Matrix Scientific, Columbia, S.C., USA; 31 mg, 0.19 mmol) in the presence of potassium carbonate (27 mg, 0.19 mmol) in dimethylformamide (2 mL). Mass spectrum (ES) MH+=465. HRMS Calcd. for C21H24F3N6O3 (MH+): 465.1857. Found: 465.1857.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08188098B2 |
| Source dataset | uspto-grants-2012_05 |
| ORD ID | ord-23be8336ccbc4453879d990b8decd783 |
| Source note | uspto-grants-2012_05 |