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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 27689Generated: October 25, 2026

Ethyl cyanoacetate → ethyl 5-amino-1-p-tolyl-1H-1,2,3-triazole-4-carboxylate

https://huagongshe.com/reaction/27689

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl cyanoacetateHCID 7764—
Reactant1-Azido-4-methylbenzeneHCID 137430—
SolventEthanolHCID 702—
Productethyl 5-amino-1-p-tolyl-1H-1,2,3-triazole-4-carboxylateHCID 1269926774%

Reaction Steps

Reaction of p-tolyl azide (9.38 g; 0.0705 mole) with ethyl cyanoacetate (7.96 g: 0.0705 mole) as described in example 1a gave 12.76 g (74%) of the triazole of mp (EtOH) 152-153° C. (lit mp 147.5° C., B. R. Brown, D. L. Hammick and S. G. Heritage J. Chem. Soc. 3870 [1953]). (Found; C, 58.38; H 5.90; N, 22.89; C12H14N4O2 requires; C, 58.52; H, 5.73; N, 22.75%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04223032
Source datasetuspto-grants-1980_09
ORD IDord-c46b9c2f3e4f410c85dd4d7b9191d154
Source noteuspto-grants-1980_09