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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 243316Generated: October 26, 2026

Malononitrile → (1-Ethoxyethylidene)malononitrile

https://huagongshe.com/reaction/243316

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMalononitrileHCID 8010—
ReactantTriethyl orthoacetateHCID 66221—
SolventAcetic AcidHCID 176—
Product(1-Ethoxyethylidene)malononitrileHCID 7945086%

Reaction Conditions

Temperature80 °C

Reaction Steps

A mixture of malononitrile (5.0 g, 76 mmol), (EtO)3CCH3 (14.8 g, 91 mmol) and CH3COOH (1 mL) was stirred at 80° C. for 45 min. Then the mixture was cooled to room temperature and filtered to give 2-(1-ethoxy-ethylidene)-malononitrile (8.9 g, yield 86%) as a yellow solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08653089B2
Source datasetuspto-grants-2014_02
ORD IDord-d1ed5381a1de43f9a4367b9d791ffd75
Source noteuspto-grants-2014_02