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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1474073Generated: October 30, 2026

Methanol → HCID 86723623, compound

https://huagongshe.com/reaction/1474073

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantBoron tribromideHCID 25134—
ReactantHCID 86723624HCID 86723624—
SolventDichloromethaneHCID 6344—
ProductHCID 86723623HCID 86723623—

Reaction Conditions

Temperature-78 °C

Reaction Steps

To a solution of (S)-tert-butyl (1-(5-methoxy-4-oxo-3-phenyl-3,4-dihydroquinazolin-2-yl)ethyl)carbamate (100 mg, 0.25 mmol) in DCM (3 mL) at −78° C. was added BBr3 (1M/DCM, 0.63 mL, 0.63 mmol). The reaction was stirred at −78° C. for 20 min, then warmed to ambient temperature. After stirring 10 minutes at ambient temperature, MeOH (5 mL) was added. The reaction was concentrated in vacuo. Purification by flash chromatography (12 g silica, 0-100% EtOAc/DCM then 0-30% MeOH/DCM) provided (S)-2-(1-aminoethyl)-5-hydroxy-3-phenylquinazolin-4(3H)-on as an orange residue. ES/MS 282.1 (M+H+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09018221B2
Source datasetuspto-grants-2015_04
ORD IDord-b97084462bea4bfc95591eb433a9f15f
Source noteuspto-grants-2015_04