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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1360416Generated: October 30, 2026

Phosphorus oxychloride → 5-ethyl-1-methyl-1H-pyrazole-3-carbonitrile

https://huagongshe.com/reaction/1360416

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus oxychlorideHCID 24813—
Reactant5-ethyl-1-methyl-1H-pyrazole-3-carboxamideHCID 66958582—
Product5-ethyl-1-methyl-1H-pyrazole-3-carbonitrileHCID 6695884379.3%

Reaction Steps

5-Ethyl-1-methyl-1H-pyrazole-3-carboxamide (3.8 g, 25 mmol) was treated with phosphorous oxychloride (18 mL, 0.19 mol) according to the method described in Part C of Example 8 to provide 2.68 g of 5-ethyl-1-methyl-1H-pyrazole-3-carbonitrile as a yellow oil.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07879849B2
Source datasetuspto-grants-2011_02
ORD IDord-65b76311bf4d4583ba7142d1a0339d50
Source noteuspto-grants-2011_02