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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1490562Generated: October 31, 2026

3-Bromobenzonitrile → 3-bromo-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrile

https://huagongshe.com/reaction/1490562

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-BromobenzonitrileHCID 23381—
ReagentBis(pinacolato)diboraneHCID 2733548—
Reagent3-pyridin-2-yl-2-(3-pyridin-2-yl-1H-1,3,2-benzodiazaborol-2-yl)-1H-1,3,2-benzodiazaboroleHCID 122380799—
CatalystBis(1,5-cyclooctadiene)dimethoxydiiridiumHCID 76001521—
SolventCyclopentyl methyl etherHCID 138539—
Product3-bromo-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzonitrileHCID 1140404655%

Reaction Conditions

Temperature125 °C

Reaction Steps

The general procedure A was followed using 3-bromobenzonitrile (91.0 mg, 0.5 mmol) and B2pin2 (126.9 mg, 0.75 mmol, 1.5 eq.) as starting material. The resulting mixture was allowed to stir 48 hours at 125 oC. 5r was obtained as white solid (85.2 mg, 55%) after purification by silica gel flash chromatography (EtOAc/PE=1:15 v/v). m.p.: 81-83 oC.

Provenance & Evidence

DOI10.1021/jacs.5b05252
Source datasetBorylation dataset from Roche
ORD IDord-e6f10914d6d7482292ff5149d3753b3f
Source noteBorylation dataset from Roche