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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1293305Generated: November 2, 2026

Boron tribromide → HCID 67475118, compound

https://huagongshe.com/reaction/1293305

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBoron tribromideHCID 25134—
ReactantSodium BicarbonateHCID 516892—
ReactantHCID 39834387HCID 39834387—
SolventDichloromethaneHCID 6344—
ProductHCID 67475118HCID 6747511831%

Reaction Conditions

Temperature0 °C

Reaction Steps

To a stirred solution of 2-(3-methoxyphenyl)-1-methyl-1H-imidazole (step 1, 724 mg, 3.8 mmol) in dichloromethane (2 mL) was added a solution of boron tribromide (1 M in dichloromethane, 5 mL) at 0° C. The mixture was stirred at 0° C. for 3 h and at room temperature for 40 h. The mixture was poured into aqueous sodium bicarbonate solution (10 mL). The precipitated solids were collected by filtration and dried under reduced pressure to afford 205 mg (31%) of the title compound as a pale brown solid: 1H-NMR (CDCl3) δ 7.29–7.22 (2H, m), 7.09–7.07 (2H, m), 6.94 (1H, d, J=1.1 Hz), 6.83–6.78 (1H, m), 3.72 (3H, s); MS (ESI) m/z 175 (M+H)+, 173 (M−H)−.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07238714B2
Source datasetuspto-grants-2007_07
ORD IDord-a4e99ed489f548b183f7b4e79de539e1
Source noteuspto-grants-2007_07