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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 452459Generated: October 30, 2026

Sulfuric Acid → 7-bromo-2-(bromomethyl)-5-fluoro-4H-1,3-benzodioxine

https://huagongshe.com/reaction/452459

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSulfuric AcidHCID 1118—
Reactant2-Bromo-1,1-dimethoxyethaneHCID 81672—
Reactant5-Bromo-3-fluoro-2-(hydroxymethyl)phenolHCID 67155721—
SolventTetrahydrofuranHCID 8028—
Product7-bromo-2-(bromomethyl)-5-fluoro-4H-1,3-benzodioxineHCID 67155699—

Reaction Steps

Preparation according to Preparation 9. 5-bromo-3-fluoro-2-(hydroxymethyl)phenol (0.79 g, 3.6 mmol), 2-bromo-1,1-dimethoxyethane (4.2 ml, 36 mmol), dry THF (10 ml) and concentrated H2SO4 (1.5 ml).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08492372B2
Source datasetuspto-grants-2013_07
ORD IDord-d75b2f305a0f40e39e72939ed22c835b
Source noteuspto-grants-2013_07