Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 252833Generated: October 26, 2026

Sodium Hydroxide → 1-Methyl-1H-indole-6-carboxylic acid

https://huagongshe.com/reaction/252833

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium HydroxideHCID 14798—
ReactantMethyl N-methylindole-6-carboxylateHCID 639843—
SolventMethanol tetrahydrofuran waterHCID 21892291—
Product1-Methyl-1H-indole-6-carboxylic acidHCID 19819261248.6%

Reaction Steps

Methyl 1-methyl-1H-indole-6-carboxylate 166 (1.24 mmol) was stirred with sodium hydroxide (0.59 g, 14.88 mmol) in a 2:2:1 mixture of methanol/THF/water (7.5 mL) for 36 hrs at rt to form a precipitate which was collected by filtration and lyophilized overnight to give the title compound 167 (0.54 g, 99% yield). MS: 175.06 (calc), 176.1 (obs).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07868205B2
Source datasetuspto-grants-2011_01
ORD IDord-5902ff32a3db45d1bd8d0c87b9ee4246
Source noteuspto-grants-2011_01