Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 404555Generated: October 30, 2026

Piperazine → 1-[3-(Trifluoromethyl)pyridin-2-yl]piperazine

https://huagongshe.com/reaction/404555

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperazineHCID 4837—
Reactant2-Chloro-3-(trifluoromethyl)pyridineHCID 589833—
Reactant3-(Trimethylsilyl)anilineHCID 12488883—
Product1-[3-(Trifluoromethyl)pyridin-2-yl]piperazineHCID 277778690.1%

Reaction Steps

Compound A-07 can be synthesized according to method 1. Just of Scheme 1, R1 is —CF3; R2 is —H; R3 is p-SiMe3. More specifically, compound 1 is 2-chloro-3-(trifluoromethyl)pyridine (2 g); compound 2 is piperazine; the synthesized compound 3 is 1-(3-(trifluoromethyl)-2-pyridyl)piperazine (2.3 g, yield about 90.1%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08748610B2
Source datasetuspto-grants-2014_06
ORD IDord-01b0aba7dbfa4640a549e14c198df1c2
Source noteuspto-grants-2014_06