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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1942701Generated: November 2, 2026

Trifluoroacetic acid → HCID 58494028, compound

https://huagongshe.com/reaction/1942701

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantHCID 58494134HCID 58494134—
SolventDichloromethaneHCID 6344—
ProductHCID 58494028HCID 5849402885.9%

Reaction Steps

To a solution of 1,1-dimethylethyl 4-[(3-bromo-2-ethylphenyl)methylidene]-1-piperidinecarboxylate (D136) (3 g, 7.89 mmol) in Dichloromethane (DCM) (100 mL) was added TFA (6.08 mL, 79 mmol). The reaction solution was stirred at room temperature for 2 hours. The solvent was evaporated in vacuo to afford 4-[(3-bromo-2-ethylphenyl)methylidene]piperidine (D137) (1.9 g), which was used directly without further purification. MS (ES): C14H18BrN requires 279.1. found 280.1 (M+H+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08389508B2
Source datasetuspto-grants-2013_03
ORD IDord-ef8232f7304a4b6296c012b04eab0639
Source noteuspto-grants-2013_03