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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 128449Generated: October 26, 2026

Phenylhydrazine → 1-Phenyl-5-(p-nitrophenyl)-1H-1,2,4-triazole

https://huagongshe.com/reaction/128449

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhenylhydrazineHCID 7516—
ReactantN-(dimethylaminomethylene)-p-nitrobenzamideHCID 12550338—
SolventAcetic AcidHCID 176—
Product1-Phenyl-5-(p-nitrophenyl)-1H-1,2,4-triazoleHCID 741968—

Reaction Conditions

Temperature90 °C

Reaction Steps

To a solution of 5.4 g. of phenylhydrazine in 70 ml. of 30% aqueous acetic acid is added 10.0 g. of N-(dimethylaminomethylene)-p-nitrobenzamide. The reaction mixture is stirred at 90° C. for one hour and then cooled. The solid is collected and recrystallized from ethanol giving 9.1 g. of the desired product as colorless crystals, mp. 130°-132° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04259504
Source datasetuspto-grants-1981_03
ORD IDord-45d97c84a9db4cdfa47cf2f2fa019d01
Source noteuspto-grants-1981_03