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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2292794Generated: October 30, 2026

Boron tribromide → 2-ethyl-5-hydroxy-1-(phenylmethyl)-1H-indole-3-acetamide

https://huagongshe.com/reaction/2292794

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBoron tribromideHCID 25134—
Reactant2-Ethyl-5-methoxy-1-(phenylmethyl)-1H-indole-3-acetamideHCID 10615829—
SolventDichloromethaneHCID 6344—
Product2-ethyl-5-hydroxy-1-(phenylmethyl)-1H-indole-3-acetamideHCID 1054283675.2%

Reaction Steps

2-Ethyl-5-methoxy-1-(phenylmethyl)-1H-indole-3-acetamide (5.05 g, 15.7 mmol) and 47 mL of 1M BBr3 in 100 mL of methylene chloride was reacted as described in Example 56, Part C to give a product that was chromatographed on silica gel eluting with EtOAc to give 3.64 g (75% yield) of 2-ethyl-5-hydroxy-1-(phenylmethyl)-1H-indole-3-acetamide as a yellow foam.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05684034
Source datasetuspto-grants-1997_11
ORD IDord-e3d014c732ae4bfea2e7340892f19fae
Source noteuspto-grants-1997_11