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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2201373Generated: October 29, 2026

Triphenylphosphine → HCID 118128227, compound

https://huagongshe.com/reaction/2201373

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriphenylphosphineHCID 11776—
ReactantAmmonium ChlorideHCID 25517—
ReactantBis(2-methoxyethyl) diazene-1,2-dicarboxylateHCID 22836032—
ReactantHCID 117989049HCID 117989049—
SolventTetrahydrofuranHCID 8028—
ProductHCID 118128227HCID 11812822764.4%

Reaction Conditions

Temperature50 °C

Reaction Steps

A mixture of 0.57 g of 2-ethylsulfanyl-N-[2-hydroxy-5-(pentafluoroethyl)phenyl]nicotinamide, 0.54 g of DMEAD, 0.57 g of triphenylphosphine and 6 ml of THF was stirred at 50° C. for 4 hours. A saturated aqueous ammonium chloride solution was poured to the reaction mixture, and the mixture was extracted with ethyl acetate. The organic layer was washed with water, then dried over anhydrous sodium sulfate and concentrated under reduced pressure. The resulting residue was applied to a silica gel column chromatography to obtain 0.35 g of 2-(2-ethylsulfanylpyridin-3-yl)-5-(pentafluoroethyl)benzoxazole (hereinafter, referred to as Compound of Present Invention 36).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09364000B2
Source datasetuspto-grants-2016_06
ORD IDord-fc203a8b5c9847a9a428782778c0b238
Source noteuspto-grants-2016_06