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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1587456Generated: October 26, 2026

Beta-Alanine → 2-[(6-nitro-2H-1,3-benzodioxol-5-yl)methylidene]propanedinitrile

https://huagongshe.com/reaction/1587456

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBeta-AlanineHCID 239—
ReactantWaterHCID 962—
ReactantMalononitrileHCID 8010—
Reactant6-Nitro-1,3-benzodioxole-5-carboxaldehydeHCID 12840—
SolventEthanolHCID 702—
Product2-[(6-nitro-2H-1,3-benzodioxol-5-yl)methylidene]propanedinitrileHCID 70791480.6%

Reaction Steps

1 g (5.1 mmol) 3,4-Methylenedioxy-6-nitrobenzaldehyde, 0.4 g (6 mmol) malononitrile and 0.2 g β-alanine in 30 ml ethanol were stirred 16 hours at room temperature, 50 ml H2O was added and the reaction mixture was filtered, giving 1 g (80% yield) of a bright yellow solid, m.p. 104° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05217999
Source datasetuspto-grants-1993_06
ORD IDord-bf56e2b1c1234482a3e6ef6ed9589907
Source noteuspto-grants-1993_06