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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 894166Generated: October 29, 2026

Trifluoroacetic anhydride → 2-Bromo-6H-dibenz[b,e]oxepin-11-one

https://huagongshe.com/reaction/894166

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic anhydrideHCID 9845—
Reactant2-(4-Bromophenoxymethyl)benzoic acidHCID 10709836—
Product2-Bromo-6H-dibenz[b,e]oxepin-11-oneHCID 12929131—

Reaction Steps

Reflux 120 gm. of o-(p-bromophenoxymethyl)benzoic acid in 500 cc. of trifluoroacetic anhydride containing 0.5 cc. of boron trifluoride-ether complex for 31/2 hours. Cool, separate the solids by filtration, and wash with ether in order to obtain the title product (m.p. 136°-139° C.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04282365
Source datasetuspto-grants-1981_08
ORD IDord-8f99849fe0cf4d9cbff1d35a73ed03e0
Source noteuspto-grants-1981_08