Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 252324Generated: November 1, 2026

Boron tribromide → 2-Ethyl-5-(2-phenylethenyl)-1,3-benzenediol

https://huagongshe.com/reaction/252324

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBoron tribromideHCID 25134—
Reactant(E)-2-ethyl-1,3-dimethoxy-5-styrylbenzeneHCID 66842591—
Product2-Ethyl-5-(2-phenylethenyl)-1,3-benzenediolHCID 13319091%

Reaction Steps

This material was synthesized from 1-(3,5-dimethoxy-4-ethylphenyl)-2-phenylethene and BBr3 in 91% yield by the same method as described in Example 6. 1HNMR (CDCl3, ppm): δ 1.22 (t, J=7.5 Hz, 6H), 2.70 (q, J=7.5 Hz, 2H), 4.81 (s, 2H), 6.60 (s, 2H), 7.00 (s, 2H), 7.26 (m, 1H), 7.36 (m, 2H), 7.52 (m, 2H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07868047B2
Source datasetuspto-grants-2011_01
ORD IDord-9442e234075b4b7b867d000a13cec3a9
Source noteuspto-grants-2011_01