HuagongsheHuagongshe Chemistry Print Report · For research reference only
Potassium Carbonate → 4-((4-Methylpiperazin-1-yl)methyl)benzonitrile
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | 1-Methylpiperazine | HCID 53167 | — |
| Reactant | 4-(Bromomethyl)benzonitrile | HCID 86996 | — |
| Solvent | Water | HCID 962 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | 4-((4-Methylpiperazin-1-yl)methyl)benzonitrile | HCID 7537612 | 42.4% |
Reaction Steps
Under the argon atmosphere, 4-methylpiperazine (2.00 g, 20.0 mmole) and potassium carbonate (3.41 g, 24.7 mole) were added to a solution of 4-cyanobenzyl bromide (3.20 g, 16.3 mole) in tetrahydrofuran (30 ml). After stirring at room temperature for 18 hours, the mixture was diluted with water and extracted with ethyl acetate. The organic layer was washed with water followed by a saturated aqueous saline, and dried over anhydrous magnesium sulfate. The solvent was removed under reduced pressure to give 4-(4-methyl-1-piperazinylmethyl)benzonitrile as a colorless crystalline powder (1.49 g, 42.4%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05840895 |
| Source dataset | uspto-grants-1998_11 |
| ORD ID | ord-8bccc00daeb0424ca3293b744836ca8f |
| Source note | uspto-grants-1998_11 |