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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1486372Generated: October 25, 2026

Potassium Carbonate → 3-(8-bromodibenzo[b,d]furan-2-yl)-9-phenyl-9H-carbazole

https://huagongshe.com/reaction/1486372

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant2,8-DibromodibenzofuranHCID 82290—
Reactant9-Phenyl-9H-carbazole-3-boronic acidHCID 51358450—
CatalystHCID 178418397HCID 178418397—
Solvent1,4-Dioxane--water (1/1)HCID 21886435—
Product3-(8-bromodibenzo[b,d]furan-2-yl)-9-phenyl-9H-carbazoleHCID 7066108355%

Reaction Conditions

Temperature90 °C

Reaction Steps

A mixture of 2,8-dibromodibenzo[b,d]furan (2.868 g, 10 mmol), (9-phenyl-9H-carbazol-3-yl)boronic acid (3.26 g, 10 mmol), Pd(PPh3)4 (0.30 g, 0.26 mmol) and potassium carbonate (4.1 g, 30 mmol) in dioxane/water (50 mL/10 mL) was degassed and heated at about 90° C. overnight. The resulting mixture was worked up with ethyl acetate/brine, dried over Na2SO4, purified by flash column (hexanes to hexanes/ethyl acetate 40:1). The desired fraction was collected and concentrated, filtration and dried in air to give a white solid (2.70 g, in 55% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09425408B2
Source datasetuspto-grants-2016_08
ORD IDord-af81a6c9f20b4829871cdb57297bcb77
Source noteuspto-grants-2016_08