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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 980312Generated: October 26, 2026

Phloroglucinol → 2,4-Dimethyl-1,3,5-benzenetriol

https://huagongshe.com/reaction/980312

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhloroglucinolHCID 359—
ReactantDimethylformamideHCID 6228—
ReactantPhosphorus oxychlorideHCID 24813—
Reactant1,4-DioxaneHCID 31275—
Product2,4-Dimethyl-1,3,5-benzenetriolHCID 78214—

Reaction Conditions

Temperature40 °C

Reaction Steps

0.6 kg of phloroglucinol is dissolved in 1.4 liters of dioxan and a mixture containing 0.8 liters of N,N-dimethylformamide and 0.96 liters of phosphorus oxychloride is added slowly and with vigorous stirring. The addition of the reagent having been completed, the reaction is maintained at 40° C. for 12 hours containing the stirring and then the whole is poured over 10 kg of crushed ice.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04636569
Source datasetuspto-grants-1987_01
ORD IDord-95c952b9479f46159281fca5ca64d23e
Source noteuspto-grants-1987_01