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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1506629Generated: October 29, 2026

Acetohydrazide → ethyl 5-methyl-4-(o-tolyl)-4H-1,2,4-triazole-3-carboxylate

https://huagongshe.com/reaction/1506629

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetohydrazideHCID 14039—
ReactantEthyl 2-chloro-2-(o-tolylimino)acetateHCID 90280270—
SolventAcetonitrileHCID 6342—
Productethyl 5-methyl-4-(o-tolyl)-4H-1,2,4-triazole-3-carboxylateHCID 90281310—

Reaction Steps

The suspension of 10B and acetohydrazide in acetonitrile was refluxed for 2 hours. The solvent was removed. The crude product was purified by flash column (Rf: 0.2, 50% EtOAc/Hexanes). MS (m/z) 246 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09220710B2
Source datasetuspto-grants-2015_12
ORD IDord-c87dde1f99f74e8ab8144f3ed86247ae
Source noteuspto-grants-2015_12