Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 71514Generated: October 25, 2026

Ethyl 5-amino-1H-indole-2-carboxylate → N2-(2-ethoxycarbonylindol-5-yl)-5-fluoro-N4-(3-hydroxyphenyl)-2,4-pyrimidinediamine

https://huagongshe.com/reaction/71514

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 5-amino-1H-indole-2-carboxylateHCID 10726872—
Reactant2-chloro-5-fluoro-N-(3-hydroxyphenyl)-4-pyrimidineamineHCID 22060451—
ProductN2-(2-ethoxycarbonylindol-5-yl)-5-fluoro-N4-(3-hydroxyphenyl)-2,4-pyrimidinediamineHCID 22060970—

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-5-fluoro-N4-(3-hydroxyphenyl)-4-pyrimidineamine with 2-ethoxycarbony-5-aminoindole gave N2-(2-ethoxycarbonylindol-5-yl)-5-fluoro-N4-(3-hydroxyphenyl)-2,4-pyrimidinediamine. 1H NMR (CD3OD): δ 7.95 (d, 1H), 7.84 (d, 1H, J=3.9 Hz), 7.34 (s, 1H), 7.33 (d, 1H, J=1.8 Hz), 7.22-7.19 (m, 2H), 7.11-7.05 (m, 2H), 6.55 (m, 1H), 4.62 (s, 2H), 4.38 (q, 1H, J=6.9 Hz), 1.40 9t, 3H, J=7.5 Hz).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08822685B2
Source datasetuspto-grants-2014_09
ORD IDord-544d300b57f34ab9b871632f38e88b6f
Source noteuspto-grants-2014_09