Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Acetic Acid | HCID 176 | — |
| Reactant | Acetone | HCID 180 | — |
| Reactant | Sodium cyanoborohydride | HCID 5003444 | — |
| Reactant | HCID 45786952 | HCID 45786952 | — |
| Solvent | Methanol | HCID 887 | — |
| Product | HCID 59507477 | HCID 59507477 | — |
Reaction Steps
To a solution of 10% acetic acid in methanol was added 5-nitro-2-(piperidin-4-yloxy)pyridine (1 eq) and anhydrous acetone (5 eq). The solution was stirred at room temperature for 1 hour. The reaction mixture was cooled to 0° C. on an ice bath and sodium cyanoborohydride (1.5 eq) was added. The reaction mixture was then warmed to room temperature and stirred for 5 hours. The solvent was evaporated, the residue brought to pH=10 with sodium carbonate and extracted with EtOAc. The organic layer was washed with water, brine, dried over sodium sulfate, and evaporated to give the crude material. Purification by silica gel column chromatography using 2% methanol/dichloromethane afforded the product as a yellow solid. LC/MS (m/z): 266.3 (MH+), Rt 1.85 minutes.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | US08563549B2 |
|---|
| Source dataset | uspto-grants-2013_10 |
|---|
| ORD ID | ord-da4c2b54a902400c80921a052e2c26cb |
|---|
| Source note | uspto-grants-2013_10 |
|---|