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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 637487Generated: October 30, 2026

4-Nitrobenzoyl chloride → 4-Nitro-N-(4-(5-oxo-4,5-dihydropyrazin-2-yl)phenyl)benzamide

https://huagongshe.com/reaction/637487

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Nitrobenzoyl chlorideHCID 8502—
Reactant5-(4-Aminophenyl)pyrazin-2(1H)-oneHCID 12358028—
SolventSodium HydroxideHCID 14798—
Product4-Nitro-N-(4-(5-oxo-4,5-dihydropyrazin-2-yl)phenyl)benzamideHCID 1385356649.1%

Reaction Steps

A solution of 5-(4-aminophenyl)-2(1H)-pyrazinone (1.7 g) in sodium hydroxide was reacted with 4-nitrobenzoyl chloride (1.8 g) in a manner similar to that described in Example 9 to give 5-[4-(4-nitrobenzamido)phenyl]-2(1H)-pyrazinone (1.5 g, m.p. 298°-300° C.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04556711
Source datasetuspto-grants-1985_12
ORD IDord-a035f35b8a734e9fa3d30896b110514f
Source noteuspto-grants-1985_12