5327-29-7Relevant academic research and scientific papers
Syntheses with Nitriles, XCV: Deamination of Cytosine Derivatives
Deshmukh, M.,Mittelbach, M.,Junek, H.
, p. 91 - 98 (2007/10/02)
Treatment of 2-formyl-3-dimethylamino-propenenitrile (1a) and 2-ethoxycarbonyl-3-dimethylamino-propenenitrile (1b), resp., with substituted ureas led to the 2-cyano-3-ureidoacrylates 2, which can be cyclized under alkaline conditions to give 5-formyl-5-cy
CYCLIZATION DICHOTOMY OF ESTERS OF 3-UREIDO-2-CYANO-2-PROPENOIC AND 3-UREIDO-2-ACYL-2-PROPENOIC ACIDS
Ledvina, Miroslav,Farkas, Jiri
, p. 1841 - 1852 (2007/10/02)
The preparation of E and Z isomers of 3-ureido-2-cyano-2-propenoates Ia-Id and their base-catalyzed isomerization and cyclization to 5-carboxycytosine derivatives IIa-IIf and 5-cyanouracil derivatives IIIa and IIIb is described.Also described is the preparation of 3-ureido-2-acyl-2-propenoates Va-Vd and their base-catalyzed cyclization to 5-carboxy-2(1H)-pyrimidone derivatives VIa-VIc and 5-acyluracils VIIa-VIIc.
