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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 440446Generated: October 30, 2026

Oxygen → 1,3-dihydro-3-hydroxy-1-(1-piperidinyl)-3-(4-pyridinyl methyl)-2H-indol-2-one

https://huagongshe.com/reaction/440446

Reaction equation

Participants

RoleNameHCIDCharge
ReactantOxygenHCID 977—
ReactantSodium hydrideHCID 24758—
Reactant1,3-dihydro-1-(piperidinyl)-3-(4-pyridinylmethyl)-2H-indol-2-oneHCID 23353964—
Product1,3-dihydro-3-hydroxy-1-(1-piperidinyl)-3-(4-pyridinyl methyl)-2H-indol-2-oneHCID 2335396825%

Reaction Steps

1,3-dihydro-1-(1-piperidinyl)-3-(4-pyridinyl methyl)-2H-indol-2-one could be reacted with sodium hydride and oxygen as reported in Example 22. After column chromatography, the product was recrystallized from hexane-chloroform to give the product as a brown solid, m.p. 156°-158° C. in 25% yield. High Res. Mass Spec. Calcd. for C19H21N3O2 : 324.1712(M+H). Found: 324.1709.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05519132
Source datasetuspto-grants-1996_05
ORD IDord-640be9250abb46189b1a913fb8042142
Source noteuspto-grants-1996_05