Generation and properties of the 1,3-dimethyl-2,4-dioxo-1H,2H,3H,4H-pyrano[4,3-d]pyrimidinium cation in a chloroform–trifluoroacetic acid solution

The 1,3-dimethyl-2,4-dioxo-1H,2H,3H,4H-pyrano[4,3- d]pyrimidinium cation has been prepared by means of acid-catalyzed cyclization of 1,3-dimethyl-6-(2-dimethylaminoethenyl)pyrimidine-2,4(1H,3H)-dione in a chloroform–trifluoroacetic acid solution, and its reactivity towards N-nucleophiles has been de...

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Published inMendeleev communications Vol. 19; no. 3; pp. 157 - 158
Main Authors Tsupak, Evgeny B., Gavrilenko, Ivan A., Kostrub, Vladimir V.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.05.2009
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Summary:The 1,3-dimethyl-2,4-dioxo-1H,2H,3H,4H-pyrano[4,3- d]pyrimidinium cation has been prepared by means of acid-catalyzed cyclization of 1,3-dimethyl-6-(2-dimethylaminoethenyl)pyrimidine-2,4(1H,3H)-dione in a chloroform–trifluoroacetic acid solution, and its reactivity towards N-nucleophiles has been determined.
ISSN:0959-9436
DOI:10.1016/j.mencom.2009.05.015