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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1934917Generated: November 2, 2026

3,4-Dimethoxyaniline → 2-Cyano-3-(3,4-dimethoxyphenylamino)acrylic acid ethyl ester

https://huagongshe.com/reaction/1934917

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3,4-DimethoxyanilineHCID 22770—
Reactant2-Propenoic acid, 2-cyano-3-ethoxy-, ethyl esterHCID 78943—
SolventTolueneHCID 1140—
Product2-Cyano-3-(3,4-dimethoxyphenylamino)acrylic acid ethyl esterHCID 69162570—

Reaction Conditions

Temperature100 °C

Reaction Steps

A mixture of 7.66 g of 4-aminoveratrole, 8.49 g of ethyl ethoxymethylenecyanoacetate, and 20 ml of toluene was heated at 100° C. for 90 min. The toluene was evaporated to give a solid, mp 150-155° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06384051B1
Source datasetuspto-grants-2002_05
ORD IDord-df4bcab7b0d246a2b440687af87e4938
Source noteuspto-grants-2002_05