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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 76489Generated: October 26, 2026

3,4-Dimethoxyaniline → N2,N4-bis-(3,4-dimethoxyphenyl)-5-nitro-2,4-pyrimidinediamine

https://huagongshe.com/reaction/76489

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,4-DimethoxyanilineHCID 22770—
Reactant2,4-Dichloro-5-nitropyrimidineHCID 521266—
ProductN2,N4-bis-(3,4-dimethoxyphenyl)-5-nitro-2,4-pyrimidinediamineHCID 22061102—

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-nitropyrimidine with 3,4-dimethoxyaniline gave N2,N4-bis-(3,4-dimethoxyphenyl)-5-nitro-2,4-pyrimidinediamine. LCMS: ret. time: 28.30 min.; purity: 100%; MS (m/e): 428 (MH+); 1H NMR (CDCl3): δ 10.30 (1H, s), 9.14 (1H, s), 7.52 (1H, s), 7.08 (3H, m), 7.00 (1H, d, J=8.4 Hz), 6.84 (1H, d, J=8.4 Hz), 6.76 (1H, d, J=8.4 Hz), 3.90 (3H, s), 3.87 (3H, s), 3.68 (3H, s), 3.60 (3H, s).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08835430B2
Source datasetuspto-grants-2014_09
ORD IDord-95559865a8e142da9e87f2bfb823d0df
Source noteuspto-grants-2014_09