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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 392481Generated: October 30, 2026

Cyanoacetic acid → (E,E)-2-Carboxy-3-(3,5-dimethoxy-4-hydroxystyryl)acrylonitrile

https://huagongshe.com/reaction/392481

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCyanoacetic acidHCID 9740—
Reactant2-Propenal, 3-(4-hydroxy-3,5-dimethoxyphenyl)-HCID 119216—
Product(E,E)-2-Carboxy-3-(3,5-dimethoxy-4-hydroxystyryl)acrylonitrileHCID 9965375—

Reaction Steps

The compound was prepared as described in Example 3 by adding 3,5-dimethoxy-4-hydroxycinnamaldehyde (0.15 g, 0.72 mmol) to cyanoacetic acid (0.061 g, 0.72 mmol). After refluxing for 1 h and recrystallization from ethanol a yellow solid was obtained (0.15 g, 75%). The product gave the following analytical data:

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06800659B2
Source datasetuspto-grants-2004_10
ORD IDord-78ad4023914a4c638fdec8547058e4e6
Source noteuspto-grants-2004_10