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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 985296Generated: October 29, 2026

Boron tribromide → 6-Hydroxy-2-methyl-benzofuran-3-carboxylic acid isobutyl amide

https://huagongshe.com/reaction/985296

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBoron tribromideHCID 25134—
Reactant6Methoxy-2-methyl-benzofuran-3-carboxylic acid isobutyl-amideHCID 20767928—
Product6-Hydroxy-2-methyl-benzofuran-3-carboxylic acid isobutyl amideHCID 20767865—

Reaction Steps

This material was prepared from 6-methoxy-2-methyl-benzofuran-3-carboxylic acid isobutyl amide 84a by treatment with BBr3 in a manner as previously described for example 1d. 1H NMR (DMSO-d6) δ9.53 (1H, s), 7.90 (1H, t, J=6.1 Hz), 7.44 (1H, d, J=8.3 Hz), 6.86 (1H, s), 6.74 (1H, dd, J=8.6, 1.8 Hz), 3.07 (2H, t, J=6.1 Hz), 2.52 (3H, s), 1.81 (1H, m). 0.90 (6H, d, J=6.8 Hz).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06869962B2
Source datasetuspto-grants-2005_03
ORD IDord-39452710a41a45099874633b866cfc50
Source noteuspto-grants-2005_03