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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1015413Generated: October 29, 2026

4-Fluorobenzenesulfonyl chloride → 5-[4-(4-Fluoro-benzenesulfonyl)-piperazin-1-yl]-quinazoline-2,4-diamine

https://huagongshe.com/reaction/1015413

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Fluorobenzenesulfonyl chlorideHCID 9588—
Reactant5-Piperazin-1-yl-quinazoline-2,4-diamineHCID 18071318—
Product5-[4-(4-Fluoro-benzenesulfonyl)-piperazin-1-yl]-quinazoline-2,4-diamineHCID 2500593341%

Reaction Steps

Title compound was prepared via Resin Method using 5-piperazin-1-yl-quinazoline-2,4-diamine (50 mg; 0.2 mmol) and 4-fluorobenzene-sulfonyl chloride (79.8 mg; 0.41 mmol) to obtain 33.2 mg. (41% yield). 1H NMR (500 MHz, DMSO-d6) δ 8.35 (s, 1H), 7.89 (m, 2H), 7.54 (t, J=8.5 Hz, 2H), 7.38 (t, J=7.5 Hz, 1H), 6.97 (d, J=8.5 Hz, 1H), 6.93 (s, 1H), 6.83 (d, J=8.0 Hz, 1H), 5.92 (br s, 2H), 3.73 (d, J=11.5 Hz, 2H), 3.11 (d, J=12.0 Hz, 2H), 2.85 (t, J=11.5 Hz, 1H), 2.59 (t, J=11.5 Hz, 2H). ESIMS+404.4.5 m/z

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07985755B2
Source datasetuspto-grants-2011_07
ORD IDord-e6a4807743cc442d959d7e4fc083fc2f
Source noteuspto-grants-2011_07