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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 751565Generated: October 30, 2026

5,8-Difluoro-2H-chromene → 8-Bromo-5-fluoro-2H-chromene

https://huagongshe.com/reaction/751565

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5,8-Difluoro-2H-chromeneHCID 22482814—
Reactant1-Bromo-4-fluoro-2-[(prop-2-yn-1-yl)oxy]benzeneHCID 22482847—
Product8-Bromo-5-fluoro-2H-chromeneHCID 22482810—

Reaction Steps

This compound was prepared analogously to 5,8-difluoro-2H-chromene but using (15 g, 65 mmol) of 1-bromo-4-fluoro-2-prop-2-ynyloxybenzene to give the title compound (3.7 g, 25

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07405310B2
Source datasetuspto-grants-2008_07
ORD IDord-8d15cd55ae3f4730835ea52c8ba4774b
Source noteuspto-grants-2008_07