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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1880780Generated: October 31, 2026

Trifluoroacetic acid → 2-[3-Chloro-5-(trifluoromethyl)-2-pyridinyl]-1-butanamine hydrochloride

https://huagongshe.com/reaction/1880780

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantTert-butyl 2-[3-chloro-5-(trifluoromethyl)-2-pyridinyl]butylcarbamateHCID 23078240—
SolventDichloromethaneHCID 6344—
Product2-[3-Chloro-5-(trifluoromethyl)-2-pyridinyl]-1-butanamine hydrochlorideHCID 66798194—

Reaction Steps

146 g of tert-butyl 2-[3-chloro-5-(trifluoromethyl)-2-pyridinyl]butylcarbamate (0.414 mol) are dissolved in 2 L of dichloromethane. 190 mL of trifluoroacetic acid are added dropwise. The reaction mixture is stirred at room temperature for twelve hours, concentrated to dryness and diluted in 300 mL of hydrochloric acid 2M.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08318777B2
Source datasetuspto-grants-2012_11
ORD IDord-3321531559074af4b1ba5ee3022a6065
Source noteuspto-grants-2012_11