Synthesis of 2-Substituted Pyrazolo[3,4-d]pyrimidines
RJ Quinn, PJ Scammells, CHL Kennard and G Smith
Australian Journal of Chemistry
44(12) 1795 - 1801
Published: 1991
Abstract
The reaction of 1-acetyl-2-phenylhydrazine with ethoxymethylenemalononitrile yielded [(4-cyano-1-phenylpyrazol-3-yl)aminomethylene]propanedinitrile. Hydrolysis followed by annulation with methyl isocyanate provided a synthetic route to 2-phenylpyrazolo[3,4-d]pyrimidines.
https://doi.org/10.1071/CH9911795
© CSIRO 1991
