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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 855745Generated: October 25, 2026

Acetic Anhydride → 1-Acetyl-5-propionyl-3-(ethoxy-phenyl-methylidene)-2-indolinone

https://huagongshe.com/reaction/855745

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
ReactantBenzene, (triethoxymethyl)-HCID 74268—
Reactant5-PropionyloxindoleHCID 10176461—
SolventCyclohexane ethyl acetate methanolHCID 22064753—
Product1-Acetyl-5-propionyl-3-(ethoxy-phenyl-methylidene)-2-indolinoneHCID 68991864—

Reaction Steps

Prepared from 5-propionyl-2-indolinone, acetic anhydride and triethyl orthobenzoate Rf=0.79 (silica gel, ethyl acetate/cyclohexane/methanol 9:9:2)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07262206B2
Source datasetuspto-grants-2007_08
ORD IDord-b73b5a7e2e7644198ed953928c7467c4
Source noteuspto-grants-2007_08