1207614-78-5Relevant articles and documents
The first example of the cascade assembly of a spirocyclopropane structure: direct transformation of benzylidenemalononitriles and N,N′-dialkylbarbituric acids into substituted 2-aryl-4,6,8-trioxo-5,7-diazaspiro[2.5]octane-1,1-dicarbonitriles
Elinson, Michail N.,Vereshchagin, Anatolii N.,Stepanov, Nikita O.,Zaimovskaya, Tatiana A.,Merkulova, Valentina M.,Nikishin, Gennady I.
, p. 428 - 431 (2010)
The direct formation of substituted 2-aryl-4,6,8-trioxo-5,7-diazaspiro[2.5]octane-1,1-dicarbonitriles in 75-95% yields from benzylidenemalononitriles and N,N′-dialkylbarbituric acids is described.