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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 81632Generated: October 25, 2026

4-[(1-Methyl-1H-pyrazol-3-yl)amino]quinazolin-6-ol → 6-({3-chloro-5-[2-(ethylamino)ethoxy]pyridin-2-yl}oxy)-N-(1-methyl-1H-pyrazol-3-yl)quinazoline-4-amine hydrochloride

https://huagongshe.com/reaction/81632

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-[(1-Methyl-1H-pyrazol-3-yl)amino]quinazolin-6-olHCID 23160382—
ReactantEthylamine tetrahydrofuranHCID 66726184—
Reactant2,3-Dichloro-5-(2,2-diethoxyethoxy)pyridineHCID 86645896—
Product6-({3-chloro-5-[2-(ethylamino)ethoxy]pyridin-2-yl}oxy)-N-(1-methyl-1H-pyrazol-3-yl)quinazoline-4-amine hydrochlorideHCID 42601515—

Reaction Steps

Using 4-[(1-methyl-1H-pyrazol-3-yl)amino]quinazolin-6-ol obtained in Example 1-1) and 2), and 2,3-dichloro-5-(2,2-diethoxyethoxy)pyridine and 2 M ethylamine/tetrahydrofuran solution, and in the same manner as in Example 1-3) and Example 10-2), or according to a method similar to it or according to a combination thereof with an ordinary method, the entitled compound (223 mg) was obtained as a pale yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08846700B2
Source datasetuspto-grants-2014_09
ORD IDord-6d1b0ad4dc204ff7aac3b718c1d976c9
Source noteuspto-grants-2014_09