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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1941113Generated: October 30, 2026

5-Methoxyindoleacetic acid → 5-Methoxytryptophol

https://huagongshe.com/reaction/1941113

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Methoxyindoleacetic acidHCID 18986—
ReactantSulfuric acid magnesium salt (1:1)HCID 24083—
ReactantAluminium lithium hydrideHCID 21226445—
SolventDiethyl EtherHCID 3283—
SolventTetrahydrofuranHCID 8028—
Product5-MethoxytryptopholHCID 12835—

Reaction Steps

A solution of 15 g of (5-methoxyindol-3-yl)acetic acid (0.073 mol) in 100 ml of tetrahydrofuran is added to a suspension of 2.1 g (0.219 mol) of lithium aluminum hydride in 100 ml of ethyl ether and the reaction mixture is brought to reflux for 6 hours. The reaction mixture is then hydrolyzed with 80 ml of a saturated aqueous magnesium sulfate solution. The whole mixture is filtered through celite and the solvents are evaporated under vacuum. The residue is taken up in a small amount of water and extracted a number of times with dichloromethane. The product is obtained after evaporation of the solvant.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05703070
Source datasetuspto-grants-1997_12
ORD IDord-f4f4bc72d657402f9b183974ae18efa9
Source noteuspto-grants-1997_12