134846-85-8Relevant academic research and scientific papers
Synthesis of Some Pyrazolopyridine Sulphonamide Derivatives
El-Dean, A. M. Kamal,Atalla, A. A.,Mohamed, Th. A.,Geies, A. A.
, p. 541 - 546 (2007/10/02)
The diazonium salt of 3-aminopyrazolopyridine when treated with SO2 and CuCl2 produces the corresponding sulphonyl chloride.The sulphonyl chloride easily reacts with hydrazine hydrate, ammonia, aromatic or heterocyclic amines to produce the corresponding
