HuagongsheHuagongshe Chemistry Print Report · For research reference only
4-Chlorotoluene → N,N-diethyl-p-toluidine
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 4-Chlorotoluene | HCID 7810 | — |
| Reactant | Diethylamine | HCID 8021 | — |
| Reactant | Lithium Bromide | HCID 82050 | — |
| Reactant | Potassium tert-butoxide | HCID 23665647 | — |
| Solvent | Toluene | HCID 1140 | — |
| Product | N,N-diethyl-p-toluidine | HCID 69177 | 91% |
Reaction Steps
20 mmol of p-chlorotoluene (2.53 g), 24 mmol of diethylamine (1.75 g), 28 mmol of KOtBu (3.13 g), 4 mmol of lithium bromide (0.35 g) and 44 mg of trans-di-μ-acetatobis[2-[bis(1,1-dimethylethyl)phosphino]-2-methylpropyl-C,P]dipalladium(II) (0.3 mol %) are suspended in 50 ml of toluene and refluxed for 24 hours. After cooling to room temperature, the salts are filtered off and washed with petroleum ether. The solvents are removed from the filtrate on a rotary evaporator. Distillation via a bulb tube (100° C./12 torr) gives 4-(N,N-diethylamino)toluene as a colorless liquid in a yield of 91%.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06353136B1 |
| Source dataset | uspto-grants-2002_03 |
| ORD ID | ord-2901c6889fab409c8ae6cea01ad2650b |
| Source note | uspto-grants-2002_03 |