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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 270588Generated: October 26, 2026

Piperazine → HCID 59833550, compound

https://huagongshe.com/reaction/270588

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperazineHCID 4837—
ReactantTriethylamineHCID 8471—
Reactant2-Chloro-6-methyl-4-(trifluoromethyl)pyridineHCID 2736626—
SolventWaterHCID 962—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 59833550HCID 5983355070.2%

Reaction Conditions

Temperature100 °C

Reaction Steps

A solution of 2-chloro-6-methyl-4-(trifluoromethyl)pyridine (1.0 g, 5.11 mmol), piperazine (1.32 g, 15.3 mmol), and triethylamine (0.71 mL, 5.1 mmol) were mixed in 1,4-dioxane (10 mL). After stirring at 100° C. for 5 h, the reaction solution was diluted with water and extracted with ethyl acetate three times, dried with sodium sulfate, filtered, and concentrated in vacuo. The crude residue was purified by flash column chromatography (10% MeOH/5% Et3N/EtOAc) to yield the desired product (880 mg, 70.2%). LCMS calculated for C11H15F3N3: (M+1) 246.1; found 246.1.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07449467B2
Source datasetuspto-grants-2008_11
ORD IDord-2cbf8175d13d4e05b4d2aa3ef63a2098
Source noteuspto-grants-2008_11