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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 33935Generated: October 29, 2026

Dichloromethane → 4-(1-(pyridin-4-yl)-1H-imidazol-2-yl)phenol

https://huagongshe.com/reaction/33935

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
ReactantBoron tribromideHCID 25134—
Reactant4-(2-(4-methoxyphenyl)-1H-imidazol-1-yl)pyridineHCID 57150181—
Reactant4-(3-methyl-5-(pyridin-4-yl)-3H-1,2,3-triazol-4-yl)phenolHCID 136375838—
SolventIsopropanolHCID 3776—
Product4-(1-(pyridin-4-yl)-1H-imidazol-2-yl)phenolHCID 13637582175.9%

Reaction Steps

According to the procedure for preparation of 4-(3-methyl-5-(pyridin-4-yl)-3H-1,2,3-triazol-4-yl)phenol, except that 4:1 dichloromethane:2-propanol was used in place of ethyl acetate to extract the product, 4-(2-(4-methoxyphenyl)-1H-imidazol-1-yl)pyridine (125 mg, 0.5 mmol) was treated with 1.25 mmol of boron tribromide to give 90 mg of a colorless solid. 1H NMR (CDCl3, 400 mHz) δ 8.52 (d, 2H, J=6 Hz), 7.14 (m, 2H), 7.11-7.08 (m, 4H), 6.79 (m, 2H), 2.94 (br, 1 H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07429665B2
Source datasetuspto-grants-2008_09
ORD IDord-41285d6e3aca4d27bc7793222fba6792
Source noteuspto-grants-2008_09