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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1955203Generated: November 1, 2026

Potassium Carbonate → 4-(2-Fluoro-4-methylbenzyl)-1-(2-(2,4-difluorophenoxy)ethyl)piperidine hydrochloride

https://huagongshe.com/reaction/1955203

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant1-(2-Bromoethoxy)-2,4-difluorobenzeneHCID 23294261—
Reactant4-(2-Fluoro-4-methylbenzyl)piperidine hydrochlorideHCID 23294347—
Product4-(2-Fluoro-4-methylbenzyl)-1-(2-(2,4-difluorophenoxy)ethyl)piperidine hydrochlorideHCID 23294378—

Reaction Steps

The title compound was prepared from 4-(2-fluoro-4-methylbenzyl)piperidine hydrochloride (300 mg, 1.23 mmol), 2-(2,4-difluorophenoxy)ethyl bromide (321 mg, 1.35 mmol) and K2CO3 (357 mg, 2.58 mmol) as colorless flakes (326 mg): mp 180-182° C.; 1H NMR (CDCl3) 1.65-1.90 (m, 3H), 1.95-2.13 (m, 2H), 2.30 (s, 3H), 2.61 (d, J=6.9 Hz, 2H), 2.65-2.87 (m, 2H), 3.30-3.55 (m, 2H), 3.69 (d, J=12 Hz, 2H), 4.59 (t, J=4.2 Hz, 2H), 6.75-7.02 (m, 6H), 12.61 (bs, 1H); Anal Calcd. for C21H,25ClF3NO: C, 63.08; H, 6.30; N, 3.50. Found: C, 62.94; H, 6.34; N, 3.36.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06124323
Source datasetuspto-grants-2000_09
ORD IDord-448bf223febe4822a561730f746b1ba4
Source noteuspto-grants-2000_09