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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1187258Generated: November 1, 2026

1H-1,2,4-Triazole → HCID 178474427, compound

https://huagongshe.com/reaction/1187258

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1H-1,2,4-TriazoleHCID 9257—
ReactantPhosphorus oxychlorideHCID 24813—
ReactantDiisopropylethylamineHCID 81531—
ReactantHCID 178474466HCID 178474466—
SolventAcetonitrileHCID 6342—
ProductHCID 178474427HCID 17847442799.1%

Reaction Steps

To a mixture of 2-acetamido-6-bromo-4-hydroxy-quinazoline (2.82 g, 10 mmol) and 1,2,4-triazole (6.9 g, 100 mmol) in acetonitrile (100 ml) was added diisopropylethylamine (3.5 ml, 30 mmol) and POCl3 (2.8 ml, 30 mmol). The mixture was stirred at room temperature for 12 hours. The precipitate was collected, washed with ethanol, diethylether, and dried over P2O5 in a vacuum dessicator to yield the title compound as yellow solid (3.3 g). The crude product was used in the following reaction without further purification and was characterized by its mass spectrum as follows: MS (m/z): 333 ([M+H]+, 100).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08673929B2
Source datasetuspto-grants-2014_03
ORD IDord-c64c8d63bc5e487587d7206c000e4528
Source noteuspto-grants-2014_03