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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 970050Generated: October 29, 2026

Trifluoroacetic anhydride → 3-Methoxy-10,11-dihydro-5H-dibenzo[a,d][7]annulen-5-one

https://huagongshe.com/reaction/970050

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic anhydrideHCID 9845—
Reactant2-[2-(4-Methoxyphenyl)ethyl]benzoic acidHCID 26188700—
SolventDichloromethaneHCID 6344—
Product3-Methoxy-10,11-dihydro-5H-dibenzo[a,d][7]annulen-5-oneHCID 20232266—

Reaction Steps

To 50 ml of a methylene chloride solution containing 1.80 g (7.0 mmol) of 2-[2-(4-methoxyphenyl)ethyl]benzoic acid were added 1.83 ml (13 mmol) of trifluoroacetic anhydride and 0.8 ml (6.3 mmol) of boron trifluoride ethyl ether complex and the mixture was stirred at room temperature for 5 hours.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07309718B2
Source datasetuspto-grants-2007_12
ORD IDord-defcca1332164f86a9cb00d9185a0d87
Source noteuspto-grants-2007_12