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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 27692Generated: October 29, 2026

Ethyl cyanoacetate → Ethyl 5-amino-1-(4-chlorophenyl)-1H-1,2,3-triazole-4-carboxylate

https://huagongshe.com/reaction/27692

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl cyanoacetateHCID 7764—
ReactantBenzene, 1-azido-4-chloro-HCID 76803—
SolventEthanolHCID 702—
ProductEthyl 5-amino-1-(4-chlorophenyl)-1H-1,2,3-triazole-4-carboxylateHCID 746493381%

Reaction Steps

Reaction of p-chlorophenyl azide (7.48 g; 0.0487 mole) with ethyl cyanoacetate (5.5 g; 0.0487 mole) as described in example 1a gave 10.057 g (81%) of the triazole of mp (ethanol) 162-164° C. (lit mp 165-167° C.; Ger Offen No. 2,009,134[1970]) (Found; C, 49.78; H, 4.31; N, 21.15; C11H11CIN4O2 requires; C, 49.54; H, 4.16; N, 21.01%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04223032
Source datasetuspto-grants-1980_09
ORD IDord-d1a01ff221374062814e0eb641624c6c
Source noteuspto-grants-1980_09