HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1405487Generated: October 30, 2026
Trifluoroacetic acid → HCID 28952599, compound
https://huagongshe.com/reaction/1405487
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Trifluoroacetic acid | HCID 6422 | — |
| Reactant | Sodium Bicarbonate | HCID 516892 | — |
| Reactant | 1,1-Dimethylethyl 4-[3-(trifluoromethyl)-2-pyridinyl]-1-piperidinecarboxylate | HCID 57979785 | — |
| Solvent | Dichloromethane | HCID 6344 | — |
| Product | HCID 28952599 | HCID 28952599 | — |
Reaction Steps
Into a 50-mL round-bottom flask, was placed a solution of tert-butyl 4-(3-(trifluoromethyl)pyridin-2-yl)piperidine-1-carboxylate (379.8 mg, 1.10 mmol, 1.00 equiv, 96%) in dichloromethane (10 mL). This was followed by the addition of trifluoroacetic acid (5 mL) dropwise with stirring at 0° C. The resulting solution was stirred for 3 h at room temperature. The pH value of the solution was adjusted to 8-9 with sat sodium bicarbonate. The resulting solution was extracted with 6×50 mL of dichloromethane and the organic layers combined and dried over anhydrous sodium sulfate. The solids were filtered out. The resulting mixture was concentrated under vacuum. This resulted in 237.4 mg (93%) of 2-(piperidin-4-yl)-3-(trifluoromethyl)pyridine as yellow oil.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08916560B2 |
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| Source dataset | uspto-grants-2014_12 |
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| ORD ID | ord-fc86821a06b54c35b09a0668a75dd3d4 |
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| Source note | uspto-grants-2014_12 |
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