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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1684879Generated: November 1, 2026

Carbamide Peroxide → 4-Hydroxystyrene 7,8-oxide

https://huagongshe.com/reaction/1684879

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCarbamide PeroxideHCID 31294—
Reactant4-VinylphenolHCID 62453—
Reactantalpha-L-xylo-2-Hexulofuranosonic acid, 2,3:4,6-bis-O-(1-methylethylidene)-, monohydrateHCID 16211407—
SolventTetrahydrofurane dichloromethaneHCID 21919333—
Product4-Hydroxystyrene 7,8-oxideHCID 12508966%

Reaction Steps

Fifth recycle 4-Hydroxy styrene: 1 g, 8.3 mmol, urea hydrogen peroxide: 3 g, 32 mmol, Immobilized lipase: 87 mg, 2,3:4,6-di-O-isopropylidene-2-keto-L-gulonic acid monohydrate: 0.3 g, 1.03 mmol, dry dichloromethane:tetrahydrofuran (4:1): 15 mL. Same procedure was followed as described in example ‘1’. Reaction time: 20 hours, Yield: 66%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08148118B2
Source datasetuspto-grants-2012_04
ORD IDord-b86ec42eca8e44ee86f800293e15d7e3
Source noteuspto-grants-2012_04