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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 76621Generated: October 24, 2026

4-Amino-2,5-dimethylphenol → N2-(2,5-dimethyl-4-hydroxyphenyl)-N4-(3,4-ethylenedioxyphenyl)-5-fluoro-2,4-pyrimidinediamine

https://huagongshe.com/en/reaction/76621

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Amino-2,5-dimethylphenolHCID 76544—
Reactant2-chloro-5-fluoro-N-(3,4-ethylenedioxyphenyl)-4-pyrimidineamineHCID 22060362—
ProductN2-(2,5-dimethyl-4-hydroxyphenyl)-N4-(3,4-ethylenedioxyphenyl)-5-fluoro-2,4-pyrimidinediamineHCID 22060954—

Reaction Steps

In like manner to the preparation of N4-(3,4-ethylenedioxyphenyl)-5-fluoro-N2-(3-hydroxyphenyl)-2,4-pyrimidinediamine, the reaction of 2-chloro-N4-(3,4-ethylenedioxyphenyl)-5-fluoro-4-pyrimidineamine with 2,5-dimethyl-4-hydroxyaniline gave N2-(2,5-dimethyl-4-hydroxyphenyl)-N4-(3,4-ethylenedioxyphenyl)-5-fluoro-2,4-pyrimidinediamine. 1H NMR (CD3OD): δ 7.69 (d, 1H, J=3.9 Hz), 7.16 (d, 1H, J=2.4 Hz), 7.05 (d, 1H, J=2.4 Hz), 7.02 (d, 1H, J=1.2 Hz), 6.66 (s, 1H), 6.63 (s, 1H), 6.62 (s, 1H), 4.19 (s, 4H), 2.12 (s, 3H), 2.10 (s, 3H); LCMS: ret. time: 19.80 min.; purity: 90%; MS (m/e): 383 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08835430B2
Source datasetuspto-grants-2014_09
ORD IDord-d4f3394ffb174a1682716b28d3632bcf
Source noteuspto-grants-2014_09