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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 930515Generated: November 1, 2026

Ethyl Acetate → HCID 118970904, compound

https://huagongshe.com/reaction/930515

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl AcetateHCID 8857—
Reactant3,4-DimethoxyanilineHCID 22770—
Reactant(2-Chloro-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)(pyridin-3-yl)methanoneHCID 118970896—
SolventIsopropanolHCID 3776—
ProductHCID 118970904HCID 11897090462%

Reaction Conditions

Temperature60 °C

Reaction Steps

A solution of (2-chloro-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)(pyridin-3-yl)methanone, Intermediate 5 (0.025 g, 0.091 mmol) in isopropanol (0.1 mL) was treated with 3,4-dimethoxyaniline (0.015 g, 0.100 mmol). The resulting mixture was heated to 60° C. and allowed to stir overnight. After being allowed to cool to room temperature, EtOAc (10 mL) was added to the reaction mixture, and the resulting solution was then washed twice with brine (10 mL). The combined aqueous layers were washed once with EtOAc (10 mL). The organic layers were combined, then dried over anhydrous Na2SO4(s), filtered and concentrated in vacuo. The resulting crude residue was then purified over silica using a MeOH/CHCl3 gradient. The desired product was obtained in 62% yield (0.022 g, 0.056 mmol).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09296747B1
Source datasetuspto-grants-2016_03
ORD IDord-9486b4af965c4d74ba7a631359c2b263
Source noteuspto-grants-2016_03