332018-72-1Relevant academic research and scientific papers
Reaction of 3-Amino-4,6-diarylthieno[2,3-b]pyridine-2-carboxamides with Ninhydrin
Aksenov, N. A.,Aksenova, I. V.,Dotsenko, V. V.,Dyadyuchenko, L. V.,Krapivin, G. D.,Lukina, D. Yu.,Muraviev, V. S.,Strelkov, V. D.
, p. 948 - 960 (2020)
Abstract: The reaction of N-substituted amides of 3-amino-4,6-diarylthieno[2,3-b]pyridine-2-carboxylic acids with ninhydrin in the presence of catalytic amounts of sulfuric acid gave 1′-spiro[indene-2,2′-pyrido[3′,2′:4,5]thieno[3,2-d]pyrimidine]-1,3,4′(3′
