873913-40-7Relevant academic research and scientific papers
Friedlaender condensation of 5-aminopyrazole-4-carbaldehydes with reactive α-methylene ketones: Synthesis of pyrazolo[3,4-b]pyridines
Jachak, Madhukar N.,Avhale, Appasaheb B.,Tantak, Chanda D.,Toche, Raghunath B.,Reidlinger, Claudia,Stadlbauer, Wolfgang
, p. 1311 - 1319 (2007/10/03)
A series of 1,3,6-trisubstituted and 1,3,5,6-tetrasubstituted pyrazolo[3,4-b]pyridines 5 has been synthesized by Friedlaender condensation of 5-aminopyrazole-4-carbaldehydes 3 with α-methylene ketones such as acetone (4a) or acetophenones 4b-f with potass
