433282-81-6Relevant academic research and scientific papers
Studies on pyrimidine-annulated heterocycles: Synthesis and function of novel 9-substituted cyclohepta[b]pyrimido[5,4-d]furan-8,10(9H)-diones
Takayasu, Tohru,Mizuta, Yutaka,Nitta, Makoto
, p. 601 - 606 (2007/10/03)
A new short synthesis of 9-substituted cyclohepta[b]pyrimido[5,4-d]furan-8,10(9H)-diones has been accomplished by the reaction of 3-methyl-, 3-butyl-, and 3-phenylbarbituric acids with 2-chlorotropone in an enolate-substitution process and subsequent dehy
