HuagongsheHuagongshe Chemistry Print Report · For research reference only
Piperidine → 2-(6-Bromo-pyridazin-3-yloxy)-(1-piperidin-1-yl)-ethanone
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Piperidine | HCID 8082 | — |
| Reactant | O-[(Ethoxycarbonyl)cyanomethylenamino]-N,N,N',N'-tetramethyluronium tetrafluoroborate | HCID 2733286 | — |
| Reactant | (6-Bromo-pyridazin-3-yloxy)-acetic acid | HCID 86638120 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | 2-(6-Bromo-pyridazin-3-yloxy)-(1-piperidin-1-yl)-ethanone | HCID 86638121 | — |
Reaction Steps
146 mg (0.626 mmol) of (6-bromo-pyridazin-3-yloxy)-acetic acid, 216.5 mg (1.88 mmol) of NEM and 226 mg (0.689 mmol) of TOTU in 10 ml of THF were stirred at room temperature for 15 min, 80 mg (0.94 mmol) of piperidine added, and the reaction mixture stirred at room temperature for 3 h. After evaporation, a sodium hydrogencarbonate solution and ethyl acetate were added to the residue, and the organic phase was separated, washed, dried and evaporated. Yield: 190 mg.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08188291B2 |
| Source dataset | uspto-grants-2012_05 |
| ORD ID | ord-fa71df46bec74b05a56501899bcdbb06 |
| Source note | uspto-grants-2012_05 |