41996-57-0

Upstream product

• 35462-54-5 N,N-Dimethylaniline hydroiodide 
• 203795-20-4 1′,3′-dioxo-1′,3′-dihydrospiro[cyclopropane-1,2′-indene]-2,2,3,3-tetracarbonitrile 

Relevant academic research and scientific papers

Reaction of polycyanocyclopropanes with amine hydroiodides

Reactions of ethyl 1,2,2,3,3-pentacyanocyclopropanecarboxylate, l,3-dioxoindan-2-spirocyclopropane-2′,2′,3′,3′- tetracarbonitrile, 2,4,6-trioxoperhydropyrimidine-5-spirocyclopropane-2′,2′,3′, 3′-tetracarbonitrile, and 4,4-dimethyl-2,6-dioxocyclohexanespirocyclopropane-2′,2′,3′, 3′-tetracarbonitrile with amine hydroiodides yield, depending on the structure of the initial cyclopropane, 1-ethoxycarbonyl-1,2,3,3-tetracyanopropenides, ethyl 3-arylamino-2,3-dicyanoacrylates, N,N-dialkyl-4-(tricyanovinyl)anilines, (4-dimethylaminophenyl)(1,3-dioxoindan-2-yl)malononitrile, (l,3-dioxoindan-2-yl)(4-tolylamino)malononitrile, 5-[aryl(dicyano)methyl]perhydropyrimidine-2,4,6-triones, and 2-amino-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-4Hchromene-3,4,4-tricarbonitrile.