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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1465405Generated: November 1, 2026

Potassium Hydroxide → 5-(2-(6-carboxypyridin-3-yl)ethyl)-2,3,4,5-tetrahydro-2-methyl-1H-pyrido[4,3-b]indole-8-carboxylic acid

https://huagongshe.com/reaction/1465405

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium HydroxideHCID 14797—
Reactant2-Methyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole-8-carboxylic acidHCID 218282—
Reactant5-Ethenylpyridine-2-carboxylic acidHCID 23061538—
SolventN-methyl-2-pyrrolidoneHCID 13387—
Product5-(2-(6-carboxypyridin-3-yl)ethyl)-2,3,4,5-tetrahydro-2-methyl-1H-pyrido[4,3-b]indole-8-carboxylic acidHCID 57876022—

Reaction Steps

The title compound is prepared from a mixture of 2,3,4,5-tetrahydro-2-methyl-1H-pyrido[4,3-b]indole-8-carboxylic acid, 5-vinylpyridine-2-carboxylic acid and a KOH (5-7 equiv) in NMP at a temperature ranging between 25 deg C. to 100 deg C. The product obtained is isolated by preparative HPLC.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08999978B2
Source datasetuspto-grants-2015_04
ORD IDord-073ed6f7b94f41ba94b9292d20e365a7
Source noteuspto-grants-2015_04