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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1007384Generated: October 28, 2026

Acetic Anhydride → 1-Acetyl-3-(1-ethoxy-1-ethyl-methylidene)-5,6-dimethoxy-2-indolinone

https://huagongshe.com/reaction/1007384

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
ReactantEthyl orthopropionateHCID 66995—
Reactant1-Acetyl-5,6-dimethoxy-2-indolinoneHCID 22668544—
Product1-Acetyl-3-(1-ethoxy-1-ethyl-methylidene)-5,6-dimethoxy-2-indolinoneHCID 69564507—

Reaction Steps

Prepared from 1-acetyl-5,6-dimethoxy-2-indolinone, triethyl orthopropionate and acetic anhydride

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06794395B1
Source datasetuspto-grants-2004_09
ORD IDord-095d7bd7b3e54709bec39f7367797e31
Source noteuspto-grants-2004_09