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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 708948Generated: October 25, 2026

Diethyl Ether → HCID 178509637, compound

https://huagongshe.com/reaction/708948

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiethyl EtherHCID 3283—
ReactantHydrazine hydrate (1:1)HCID 24654—
Reactantp-CyanobenzamideHCID 76427—
ReactantHCID 178526551HCID 178526551—
SolventDimethylformamide dimethyl acetalHCID 78373—
ProductHCID 178509637HCID 178509637—

Reaction Steps

The general procedure outlined by Lin et al. (J. Org. Chem. 1979, 44, 4163) for preparation of 3-(4-nitrophenyl)-1H-[1,2,4]triazole was used. 4-Cyanobenzamide (21.63 g, 0.148 mol) was dissolved in DMF-DMA (100 mL) and was stirred at reflux under N2 for 8 h. The mixture was concentrated to dryness and suspended in AcOH (50 mL). The vessel was then charged with hydrazine monohydrate (7.18 mL, 0.148 mmol) and stirred at reflux for 1 h before concentration. The desired 4-(1H-[1,2,4]triazol-3-yl)-benzonitrile was obtained in 98% purity by trituration with Et2O followed by filtration (12.17 g, 0.072 mol, 48%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09179681B2
Source datasetuspto-grants-2015_11
ORD IDord-7ecbca45bacd4186a67ae60fe0beea32
Source noteuspto-grants-2015_11