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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1375417Generated: October 31, 2026

Acetic Acid → 6-(3,5-Dichloro-2,6-dimethoxypyridin-4-yl)-2-[[4-(diethylamino carbonyl)phenyl]amino]-8-methyl-8H-pteridin-7-one

https://huagongshe.com/reaction/1375417

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
Reactant5-Amino-2-[[4-(diethylaminocarbonyl)phenyl]amino]-4-(methylamino)pyrimidineHCID 58786782—
ReactantEthyl 2-(3,5-dichloro-2,6-dimethoxypyridin-4-yl)-2-oxoacetateHCID 58786806—
Solvent2-MethoxyethanolHCID 8019—
SolventEthyl AcetateHCID 8857—
Product6-(3,5-Dichloro-2,6-dimethoxypyridin-4-yl)-2-[[4-(diethylamino carbonyl)phenyl]amino]-8-methyl-8H-pteridin-7-oneHCID 987246756%

Reaction Steps

A mixture of 0.47 g (1.5 mmol) of 5-amino-2-[[4-(diethylaminocarbonyl)-phenyl]amino]-4-(methylamino)pyrimidine, 0.62 g (2 mmol) of ethyl 2-(3,5-dichloro-2,6-dimethoxypyridin-4-yl)-2-oxoacetate and 1.0 mL of HOAc in 20 mL of 2-methoxyethanol is heated under reflux for 16 hours. Workup in EtOAc, followed by chromatography on silica, eluting with hexane/EtOAc (1:1), gives 0.42 g (56%) of the title compound (Compound 22): mp (EtOH) 274–276° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07169778B2
Source datasetuspto-grants-2007_01
ORD IDord-726f9ae4cf564924923ad09410c4131c
Source noteuspto-grants-2007_01