Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1625502Generated: October 27, 2026

Methanol → HCID 178432841, compound

https://huagongshe.com/reaction/1625502

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantPotassium Phosphate, TribasicHCID 62657—
Reactant4'-Bromo-4-biphenylboronic Acid (contains varying amounts of Anhydride)HCID 3841607—
ReactantHCID 178432842HCID 178432842—
CatalystHCID 178418397HCID 178418397—
SolventTolueneHCID 1140—
ProductHCID 178432841HCID 17843284143.6%

Reaction Conditions

Temperature75 °C

Reaction Steps

To a solution of tert-butyl (2S,4S)-2-(5-iodo-4-methyl-1H-imidazol-2-yl)-4-methyl-pyrrolidine-1-carboxylate (289 mg, 0.7387 mmol) in 6 mL of 5:1 toluene:methanol is sequentially added [4-(4-bromophenyl)phenyl]boronic acid (346.7 mg, 1.252 mmol), K3PO4 (199.3 mg, 0.9389 mmol) and Pd(PPh3)4 (71.85 mg, 0.06218 mmol). The reaction mixture is heated at 75° C. for 3 hours. The reaction mixture is concentrated, diluted with ethyl acetate, and washed with water and brine. The organic layer is concentrated to dryness. The residue is dissolved in dichloromethane and purified by flash column chromatography on silica gel (0-10% methanol/dichloromethane) to give (2S,4S)-tert-butyl 2-(5-(4′-bromo-[1,1′-biphenyl]-4-yl)-4-methyl-1H-imidazol-2-yl)-4-methylpyrrolidine-1-carboxylate (160 mg, 0.322 mmol).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08779156B2
Source datasetuspto-grants-2014_07
ORD IDord-61ba7214911b4dfaab004bce7829ec80
Source noteuspto-grants-2014_07