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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 76493Generated: October 25, 2026

4-Amino-2,6-dichlorophenol → N2,N4-bis-(3,5-dichloro-4-hydroxyphenyl)-5-fluoro-2,4-pyrimidinediamine

https://huagongshe.com/reaction/76493

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Amino-2,6-dichlorophenolHCID 80037—
Reactant2,4-Dichloro-5-fluoropyrimidineHCID 250705—
ProductN2,N4-bis-(3,5-dichloro-4-hydroxyphenyl)-5-fluoro-2,4-pyrimidinediamineHCID 22060750—

Reaction Steps

In like manner to the preparation of N2,N4-bis(3-hydroxyphenyl)-5-fluoro-2,4-pyrimidinediamine, the reaction of 2,4-dichloro-5-fluoropyrimidine with 3,5-dichloro-4-hydroxyaniline gave N2,N4-bis-(3,5-dichloro-4-hydroxyphenyl)-5-fluoro-2,4-pyrimidinediamine. LCMS: ret. time: 21.26 min.; purity: 88%; MS (m/e): 450 (M+); 1H NMR (DMSO-d6): δ 9.96 (1H, s), 9.59 (1H, s), 9.47 (1H, s), 9.37 (1H, s), 8.22 (1H, d, J=3.6 Hz), 7.79 (2H, s), 7.74 (2H, s).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08835430B2
Source datasetuspto-grants-2014_09
ORD IDord-87f0e7ba8d30408d86ae2e48a0401594
Source noteuspto-grants-2014_09