Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1523770Generated: November 2, 2026

Piperazin-2-one → 4-((2-Bromo-5-(trifluoromethyl)phenyl)sulfonyl)piperazin-2-one

https://huagongshe.com/reaction/1523770

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPiperazin-2-oneHCID 231360—
Reactant2-Bromo-5-(trifluoromethyl)benzene-1-sulfonyl chlorideHCID 2778613—
Product4-((2-Bromo-5-(trifluoromethyl)phenyl)sulfonyl)piperazin-2-oneHCID 90313243—

Reaction Steps

The title compound was prepared in a manner similar to that described for Intermediate EU using piperazin-2-one and 2-bromo-5-(trifluoromethyl)benzene-1-sulfonyl chloride. 1H NMR (400 MHz, CDCl3) δ 8.43-8.35 (d, J=2.3, 1H), 7.99-7.89 (d, J=8.2, 1H), 7.77-7.65 (dd, J=8.3, 2.3, 2H), 6.95 (s, 2H), 3.99 (s, 3H), 3.73-3.58 (t, J=5.3, 3H), 3.51-3.42 (m, 3H), 1.36-1.04 (m, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09079866B2
Source datasetuspto-grants-2015_07
ORD IDord-ea9f2db7931146e49993f7d322a6b731
Source noteuspto-grants-2015_07