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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1829217Generated: November 1, 2026

3,4-Difluoroaniline → 2-chloro-N4-(3,4-difluorophenyl)-5-fluoro-4-pyrimidineamine

https://huagongshe.com/reaction/1829217

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,4-DifluoroanilineHCID 77469—
Reactant2,4-Dichloro-5-fluoropyrimidineHCID 250705—
Product2-chloro-N4-(3,4-difluorophenyl)-5-fluoro-4-pyrimidineamineHCID 22061049—

Reaction Steps

In like manner to the preparation of 2-chloro-5-fluoro-N4-[3-(1H-tetrazol-5-yl)phenyl]-4-pyrimidineamine the reaction of 2,4-dichloro-5-fluoropyrimidine with 3,4-difluoroaniline gave 2-chloro-N4-(3,4-difluorophenyl)-5-fluoro-4-pyrimidineamine. 1H NMR (CDCl3): δ 8.10 (d, 1H, J=2.1 Hz), 7.72 (m, 1H), 7.22 (m, 2H), 6.95 (bs, 1H); LCMS: purity: 93%; MS (m/e): 260 (M+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07060827B2
Source datasetuspto-grants-2006_06
ORD IDord-59e6cfe3e4034f1cb02e3a121cdaee4c
Source noteuspto-grants-2006_06