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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2243785Generated: November 1, 2026

Pyridine → HCID 11612909, compound

https://huagongshe.com/reaction/2243785

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
ReactantHCID 86611439HCID 86611439—
Catalystchromium (VI) trioxideHCID 10219390—
SolventDichloromethaneHCID 6344—
ProductHCID 11612909HCID 1161290925%

Reaction Steps

To a solution of pyridine (0.186 g, 0.23 mmol) in dichloromethane (10 mL) was slowly added chromium (VI) oxide (0.119 g, 0.12 mmol) at room temperature under nitrogen. The resulting mixture was stirred at room temperature for 15 minutes before 1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-5-[(2-hydroxy-ethyl)(methyl)amino]-4-[(trifluoromethyl)sulfonyl]-1H-pyrazole-3-carbonitrile (0.200 g, 0.4 mmol) was introduced. The reaction mixture was allowed to stirr at room temperature for two additional hours. It was then concentrated to dryness and then diluted with diethyl ether. The mixture was then filtered through silica gel and then concentrated to afford a pale oil (0.04 g, 0.1 mmol). 19F NMR: −64.37, −80.74.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07678384B2
Source datasetuspto-grants-2010_03
ORD IDord-518890e12b134ceb96300bb776220202
Source noteuspto-grants-2010_03