Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Tert-Butylamine | HCID 6385 | — |
| Reactant | Triethylamine | HCID 8471 | — |
| Reactant | Ammonium Chloride | HCID 25517 | — |
| Reactant | N-tert-Butyl-2-methyl-6-trifluoromethyl-nicotinic acid | HCID 66639559 | — |
| Solvent | Thionyl Chloride | HCID 24386 | — |
| Product | HCID 32217502 | HCID 32217502 | — |
Reaction Steps
N-tert-Butyl-2-methyl-6-trifluoromethyl-nicotinic acid (5.0 g, 24 mmol) is refluxed in 10 mL of thionyl chloride for 3 h and is then concentrated under reduced pressure. The residue is dissolved in toluene and the solvent is removed under reduced pressure. The residue is again dissolved in toluene and the solvent is removed under reduced pressure. The resultant residue is dissolved in 50 mL of dichloromethane and to the solution is added tert-butyl amine (3.8 mL, 49 mmol) and triethylamine (6.8 mL, 49 mmol) and the reaction is allowed to stir overnight. The reaction is then poured into sat. ammonium chloride and extracted three times with dichloromethane. The combined organic phases are then washed with sat. NaHCO3, and brine. The organic layer is then dried over sodium sulfate, filtered, and concentrated under reduced pressure to afford the title compound. Further purification is achieved by trituration from diethyl ether.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | US08133907B2 |
|---|
| Source dataset | uspto-grants-2012_03 |
|---|
| ORD ID | ord-c7774e2ba8794215b7d2b9e00bc03257 |
|---|
| Source note | uspto-grants-2012_03 |
|---|