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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 238125Generated: October 26, 2026

4-Chlorophenylglyoxylic acid → 2-(4-chlorophenyl)-4-cyclopropylmethylpyrido[2,3-b]pyrazin-3(4H)-one

https://huagongshe.com/reaction/238125

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Chlorophenylglyoxylic acidHCID 145998—
ReactantN2-(cyclopropylmethyl)pyridine-2,3-diamineHCID 28902457—
SolventMethanolHCID 887—
Product2-(4-chlorophenyl)-4-cyclopropylmethylpyrido[2,3-b]pyrazin-3(4H)-oneHCID 44218437—

Reaction Steps

430 mg (2.63 mM) of N2-(cyclopropylmethyl)pyridine-2,3-diamine and 485.4 mg (2.63 mM) of (4-chlorophenyl)(oxo)acetic acid in 6 ml of methanol were refluxed for 16 h. A solid crystallized. The compound was filtered and washed with methanol to give

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08642617B2
Source datasetuspto-grants-2014_02
ORD IDord-f13aca96aa2344e19f3ce41471f785d1
Source noteuspto-grants-2014_02