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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2300081Generated: November 4, 2026

2-Methoxyaniline → HCID 18374953, compound

https://huagongshe.com/reaction/2300081

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-MethoxyanilineHCID 7000—
ReactantPyrido[2,3-d]pyrimidin-7(8H)-one, 8-ethyl-2-(methylsulfinyl)-HCID 10752351—
ProductHCID 18374953HCID 1837495334%

Reaction Conditions

Temperature175 °C

Reaction Steps

A mixture of 8-ethyl-2-methylsulfinyl-8H-pyrido[2,3-d]pyrimidin-7-one (140 mg, 0.59 mmol) and 500 μL of 2-methoxyaniline was heated at 175° C. for 20 minutes. The reaction mixture was cooled to room temperature and partitioned between chloroform and saturated sodium bicarbonate. The organic layer was washed with brine, dried over magnesium sulfate, filtered, and concentrated in vacuo. The residue was purified by flash chromatography eluting with ethyl acetate. Recrystallization from ethyl acetate and hexane provided 60 mg (34%) of 8-ethyl-2-(2-methoxyphenyl-amino)-8H-pyrido[2,3-d]pyrimidin-7-one, mp 126-128° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06498163B1
Source datasetuspto-grants-2002_12
ORD IDord-39d34d70db3a41219e506ce8ce242bcb
Source noteuspto-grants-2002_12