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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 528288Generated: October 29, 2026

Methyl 5-aminobenzofuran-2-carboxylate → 5-fluoro-N4-(3-isopropylphenyl)-N2-(2-methoxycarbonylbenzofur-5-yl)-2,4-pyrimidinediamine

https://huagongshe.com/reaction/528288

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl 5-aminobenzofuran-2-carboxylateHCID 10845388—
Reactant2-chloro-5-fluoro-N4-(3-isopropylphenyl)-4-pyrimidineamineHCID 22060308—
Product5-fluoro-N4-(3-isopropylphenyl)-N2-(2-methoxycarbonylbenzofur-5-yl)-2,4-pyrimidinediamineHCID 22060446—

Reaction Steps

In like manner to the preparation of N4-(3,4-ethylenedioxyphenyl)-5-fluoro-N2-(3-hydroxyphenyl)-2,4-pyrimidinediamine, 2-chloro-5-fluoro-N4-(3-isopropylphenyl)-4-pyrimidineamine and 2-methoxycarbonyl-5-aminobenzofuran were reacted to give 5-fluoro-N4-(3-isopropylphenyl)-N2-(2-methoxycarbonylbenzofur-5-yl)-2,4-pyrimidinediamine. LCMS: retn, time: 26.05 min.; purity: 99%; MS (m/e): 420 (M+), 422 (MH+); 1H NMR (DMSO-d6): δ 10.00 (1H, s), 9.95 (1H, s), 8.31 (1H, d, J=4.8 Hz), 8.11 (1H, s), 7.74 (3H, m), 7.35 (1H, s), 7.35 (1H, t, J=7.2 Hz), 7.12 (1H, d, J=7.2 Hz), 3.99 (3H, s), 2.83 (1H, sept, J=6.9 Hz), 1.20 (6H, d, J=6.9 Hz).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09346765B2
Source datasetuspto-grants-2016_05
ORD IDord-a567e59e8e564f5da0016ab6bf625df4
Source noteuspto-grants-2016_05