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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 573452Generated: October 30, 2026

5-(6,7-Dimethoxyquinolin-4-yloxy)pyridin-2-amine → 2-Ethyl-4-(4-fluoro-phenyl)-3,5-dioxo-2,3,4,5-tetrahydro-1,2,4-triazine-6-carboxylic acid [5-(6,7-dimethoxy-quinolin-4-yloxy)-pyridin-2-yl]-amide

https://huagongshe.com/reaction/573452

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(6,7-Dimethoxyquinolin-4-yloxy)pyridin-2-amineHCID 22936537—
Reactant2-Ethyl-4-(4-fluoro-phenyl)-3,5-dioxo-2,3,4,5-tetrahydro-1,2,4-triazine-6-carboxylic acidHCID 89581572—
Product2-Ethyl-4-(4-fluoro-phenyl)-3,5-dioxo-2,3,4,5-tetrahydro-1,2,4-triazine-6-carboxylic acid [5-(6,7-dimethoxy-quinolin-4-yloxy)-pyridin-2-yl]-amideHCID 90452718—

Reaction Steps

This compound was synthesized using 5-(6,7-dimethoxyquinolin-4-yloxy)-pyridin-2-ylamine and 2-ethyl-4-(4-fluorophenyl)-3,5-dioxo-2,3,4,5-tetrahydro-[1,2,4]triazine-6-carboxylic acid using the procedure for example 1. mp=200-202° C.; LCMS m/z=585 (M+1); 1H NMR (CDCl3) δ: 11.13 (s, 1H), 8.52 (d, 1H, J=5 Hz), 8.48 (d, 1H, J=8.5 Hz), 8.27 (d, 1H, J=2.6 Hz), 7.60 (dd, 1H, J=2, 9 Hz), 7.52 (s, 1H), 7.43 (s, 1H), 7.28-7.26 (m, 3H), 6.47 (d, 1H, J=4.3 Hz), 4.33 (q, 2H, J=8.5 Hz), 4.05 (d, 6H), 1.51 (t, 3H, J=8 Hz).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09029538B2
Source datasetuspto-grants-2015_05
ORD IDord-32595d37c4a94c618e3af35c5d739e3a
Source noteuspto-grants-2015_05