HuagongsheHuagongshe Chemistry Print Report · For research reference only
Potassium Carbonate → 4-[4-(4-Tetrazol-2-yl-phenoxy)-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 | 4-(2H-Tetrazol-2-yl)phenol | HCID 15760399 | — |
| Reactant | Tert-butyl 4-(4-chloro-1H-pyrazolo[3,4-D]pyrimidin-1-YL)piperidine-1-carboxylate | HCID 57964905 | — |
| Product | 4-[4-(4-Tetrazol-2-yl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester | HCID 57964882 | 19.2% |
Reaction Steps
4-[4-(4-Tetrazol-2-yl-phenoxy)-pyrazolo[3,4-d]pyrimidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester (16 mg, 19%) was prepared using the procedure described for the preparation of Example 41 by the reaction of 4-(4-chloro-pyrazolo[3,4-d]pyrimidin-1-yl)-piperidine-1-carboxylic acid tert-butyl ester (Intermediate 19; 60 mg, 0.18 mmol) with 4-(2H-tetrazol-2-yl)phenol (ChemBridge Corporation, San Diego, Calif., USA; 29 mg, 0.18 mmol) in the presence of potassium carbonate (54 mg, 0.39 mmol).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08188098B2 |
| Source dataset | uspto-grants-2012_05 |
| ORD ID | ord-be377fe12bea4fdbab2f98d3add3e2ac |
| Source note | uspto-grants-2012_05 |