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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 581136Generated: October 26, 2026

4-methoxy-2-methyl-1-[(1-naphthalenyl)methyl]-1H-indole → 4-hydroxy-2-methyl-1-[(1-naphthalenyl)methyl]-1H-indole

https://huagongshe.com/reaction/581136

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-methoxy-2-methyl-1-[(1-naphthalenyl)methyl]-1H-indoleHCID 10638039—
ReactantBoron tribromide dichloromethaneHCID 22277759—
SolventEthyl acetate hexaneHCID 21226206—
Product4-hydroxy-2-methyl-1-[(1-naphthalenyl)methyl]-1H-indoleHCID 1049352971%

Reaction Steps

By the method used in Example 1, Part D, 1.17 g (3.9 mmol) of 4-methoxy-2-methyl-1-[(1-naphthalenyl)methyl]-1H-indole was O-demethylated by treating it with 15.6 mL of 1M BBr3 /CH2Cl2 to give a material that was chromatographed on silica gel (eluted with 20% EtOAc/hexane then 50% EtOAc/hexane) to give 796 mg (71% yield) of 4-hydroxy-2-methyl-1-[(1-naphthalenyl)methyl]-1H-indole.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05919810
Source datasetuspto-grants-1999_07
ORD IDord-f914e92e80ba4ee784bec236986b4ae9
Source noteuspto-grants-1999_07