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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 424337Generated: October 29, 2026

Acetic Anhydride → HCID 13401939, compound

https://huagongshe.com/reaction/424337

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
ReactantPyrylium, 2,4,6-triphenyl-, tetrafluoroborate(1-)HCID 9930615—
ReactantHCID 23710942HCID 23710942—
ProductHCID 13401939HCID 13401939—

Reaction Steps

Sodium 4-biphenylacetate (25.0 g, 0.106 mol.) was placed in a suspension of 2,4,6-triphenylpyrylium tetrafluoroborate (41.0 g, 0.106 mol.) in 80 mL of acetic anhydride under nitrogen atmosphere and refluxed for 24 hours. The crude product was extracted with a 7:3 ratio mixture of hexane/dichloromethane. The solvent was stripped, and the crude product sublimed 4 times to achieve 99% purity. The practical yield following sublimations was 20%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08105700B2
Source datasetuspto-grants-2012_01
ORD IDord-1dcf436f66534a10971573fec8993d93
Source noteuspto-grants-2012_01