Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Potassium Iodide | HCID 4875 | — |
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | 5-Chloro-salicylaldehyde | HCID 12481 | — |
| Reactant | HCID 23447429 | HCID 23447429 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | HCID 23447401 | HCID 23447401 | 9.2% |
Reaction Steps
A mixture of 4-chloromethylsulfonyl-1-(4-cyanobenzyl)-2-piperazinone (3.20 g), 5-chlorosalicylaldehyde (2.29 g), potassium carbonate (1.48 g), potassium iodide (1.62 g) and DMF (80 ml) was stirred at 80° C. for 2 days. The reaction solution was concentrated under reduced pressure, and to the residue was added ethyl acetate. The mixture was washed with water and saturated brine, dried (MgSO4) and concentrated, and the residue was purified with silica gel column chromatography (hexane:ethyl acetate=1:1) to give colorless crystals of the title compound (384 mg).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | US06403595B1 |
|---|
| Source dataset | uspto-grants-2002_06 |
|---|
| ORD ID | ord-a53100f67777487dbdf667161bf932bc |
|---|
| Source note | uspto-grants-2002_06 |
|---|