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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1067343Generated: November 1, 2026

Boron tribromide dichloromethane → 4-[2-(2-Benzyl-benzo[b]thiophen-3-yl)-ethyl]-phenol

https://huagongshe.com/reaction/1067343

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBoron tribromide dichloromethaneHCID 22277759—
Reactant2-Benzyl-3-[2-(4-methoxy-phenyl)-ethyl]-benzo[b]thiopheneHCID 23445664—
SolventDichloromethaneHCID 6344—
Product4-[2-(2-Benzyl-benzo[b]thiophen-3-yl)-ethyl]-phenolHCID 23445612—

Reaction Steps

The title compound was prepared according to the procedure in Example 5, step 3 using 2-benzyl-3-[2-(4-methoxy-phenyl)-ethyl]-benzo[b]thiophene (5.50 g, 15.3 mmol) and 1M boron tribromide/CH2Cl2(49.1 mL) in CH2Cl2. Purification on silica gel eluting with a 5 & 10% EtOAc/pet. ether step gradient gave the tide compound as an oil. 1H NMR; consistent. mass spectrum (EI) m/z 344 (M+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06248764B1
Source datasetuspto-grants-2001_06
ORD IDord-2eb6e3e478b84fc68abe0daa3ae2c25d
Source noteuspto-grants-2001_06