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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 76548Generated: October 27, 2026

Methyl 5-aminobenzofuran-2-carboxylate → 5-fluoro-N2-(2-methoxycarbonylbenzofuran-5-yl)-N4-(4-isopropoxyphenyl)-2,4-pyrimidinediamine

https://huagongshe.com/reaction/76548

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl 5-aminobenzofuran-2-carboxylateHCID 10845388—
ReactantN4-(3,4-ethylenedioxyphenyl)-5-fluoro-N2-(3-hydroxyphenyl)-2,4-primidinediamineHCID 22060334—
Reactant2-chloro-5-fluoro-N-(4-isopropoxyphenyl)-4-pyrimidineamineHCID 22060763—
Product5-fluoro-N2-(2-methoxycarbonylbenzofuran-5-yl)-N4-(4-isopropoxyphenyl)-2,4-pyrimidinediamineHCID 22060326—

Reaction Steps

In a manner similar to the preparation of N4-(3,4-ethylenedioxyphenyl)-5-fluoro-N2-(3-hydroxyphenyl)-2,4-pyrimidinediamine, 2-chloro-5-fluoro-N4-[4-(isopropoxy)phenyl]-4-pyrimidineamine and 2-methoxycarbonyl-5-aminobenzofuran were reacted to yield 5-fluoro-N2-(2-methoxycarbonylbenzofuran-5-yl)-N4-(4-isopropoxyphenyl)-2,4-pyrimidinediamine. 1H NMR (CDCl3): δ 8.04 (d, 1H, J=1.8 Hz), 7.49-7.41 (m, 4H), 7.35 (dd, 1H, J=2.4 and 8.7 Hz), 7.14 (bs, 1H), 6.90 (d, 2H, J=9.3 Hz), 6.70 (bs, 1H), 4.56 (2q, 1H, J=5.7 Hz), 3.98 (s, 3H), 1.37 (d, 6H, J=5.7 Hz); LCMS: ret. time: 25.52 min.; purity: 98%; MS (m/e): 437 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08835430B2
Source datasetuspto-grants-2014_09
ORD IDord-40e984b0365c4e489e6266f689fd6c6a
Source noteuspto-grants-2014_09