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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1782004Generated: October 28, 2026

Trimethyl orthoformate → 4-(((2,2-Dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)methyl)amino)benzonitrile

https://huagongshe.com/reaction/1782004

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrimethyl orthoformateHCID 9005—
Reactant4-AminobenzonitrileHCID 13396—
Reactant2,2-Dimethyl-1,3-dioxane-4,6-dioneHCID 16249—
SolventEthanolHCID 702—
Product4-(((2,2-Dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)methyl)amino)benzonitrileHCID 1169470597%

Reaction Steps

A mixture of 4-amino-benzonitrile (12.5 g, 0.106 mol), 2,2-dimethyl-[1,3]dioxane-4,6-dione (18.3 g, 0.127 mol) and trimethylorthoformate (16 ml) in ethanol (100 ml) was refluxed for 3 hours. After cooling the solid was filtered off, washed with ethanol and air dried. The product was obtained as an off-white solid (27.9 g, 97%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07498326B2
Source datasetuspto-grants-2009_03
ORD IDord-8d9dc825fe334515b6fc7488d845bd7e
Source noteuspto-grants-2009_03