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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2190741Generated: October 30, 2026

Dimethylformamide → HCID 66880158, compound

https://huagongshe.com/reaction/2190741

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDimethylformamideHCID 6228—
ReactantPotassium CarbonateHCID 11430—
ReactantPyrrolidineHCID 31268—
Reactant2-(3-Fluoropyridin-4-yl)-5-(trifluoromethyl)benzoxazoleHCID 66880180—
SolventWaterHCID 962—
ProductHCID 66880158HCID 66880158101.1%

Reaction Conditions

Temperature60 °C

Reaction Steps

A mixture of 0.31 g of 2-(3-fluoropyridin-4-yl)-5-(trifluoromethyl)benzoxazole, 0.21 g of pyrrolidine, 0.55 g of potassium carbonate and 2 ml of DMF was stirred while heating at 60° C. for one hour. The reaction mixture was cooled to room temperature, and then water was added to the reaction mixture, followed by extraction with ethyl acetate twice. The combined organic layers were washed with a saturated sodium chloride solution, dried over anhydrous magnesium sulfate, and then concentrated under reduced pressure. The residue was subjected to silica gel column chromatography to give 0.37 g of 2-[3-(pyrrolidine-1-yl)pyridin-4-yl]-5-(trifluoromethyl)benzoxazole (hereinafter, referred to as “active compound 53”).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08324387B2
Source datasetuspto-grants-2012_12
ORD IDord-811fb707c81747fb901a33b33200f6c7
Source noteuspto-grants-2012_12