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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1015391Generated: November 1, 2026

1-(Bromomethyl)-2,4-difluorobenzene → 5-[4-(2,4-Difluoro-benzyl)-piperazin-1-yl]-quinazoline-2,4-diamine

https://huagongshe.com/reaction/1015391

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(Bromomethyl)-2,4-difluorobenzeneHCID 90297—
Reactant5-Piperazin-1-yl-quinazoline-2,4-diamineHCID 18071318—
Product5-[4-(2,4-Difluoro-benzyl)-piperazin-1-yl]-quinazoline-2,4-diamineHCID 2500453488%

Reaction Steps

Title compound was prepared via Resin Method using 5-piperazin-1-yl-quinazoline-2,4-diamine (50 mg; 0.2 mmol) and 2,4-Difluorobenzyl bromide (76.6 mg; 0.37 mmol) to obtain 65 mg. (88% yield). 1H NMR (400 MHz, DMSO-d6) δ 9.95 (s, 1H), 8.87 (s, 1H), 7.67 (m, 3H), 7.48 (m, 1H), 7.24 (m, 3H), 7.09 (m, 1H), 3.61 (s, 2H), 3.02 (br d, J=10.8 Hz, 2H), 2.89 (m, 4H), 2.33 (m, 2H). ESIMS+371.5 m/z

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07985755B2
Source datasetuspto-grants-2011_07
ORD IDord-4859d2fb3f114a769f315f008e315055
Source noteuspto-grants-2011_07