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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 224362Generated: October 25, 2026

Potassium Hydroxide → 5-nitro-3-(1,2,3,6-tetrahydropyridin-4-yl)-1H-indole

https://huagongshe.com/reaction/224362

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium HydroxideHCID 14797—
Reactant5-NitroindoleHCID 22523—
Reactant4-Piperidone hydrochlorideHCID 3084851—
Product5-nitro-3-(1,2,3,6-tetrahydropyridin-4-yl)-1H-indoleHCID 53263—

Reaction Steps

Using the procedure of Example 1, a mixture of 0.8 g of 5-nitro-1H-indole, 1.53 g of the hydrate of 4-piperidone hydrochloride and 16 ml of 2 N methanolic potassium hydroxide was reacted to obtain 0.86 g of raw product which was crystallized from isopropanol to obtain 0.74 g of 5-nitro-3-(1,2,3,6-tetrahydropyridin-4-yl)-1H-indole melting at 250° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04232031
Source datasetuspto-grants-1980_11
ORD IDord-d8e074239ac74d2b92ae90c148763121
Source noteuspto-grants-1980_11