Synthesis and biological evaluation of some pyrazolinylpyridines and pyrazolylpyridines
Various new 2-(1′-acetyl-5′-substituted-aryl-2′- pyrazolin-3′-yl)aminopyridines (3a-3e) and 2-(1′-phenyl 5′-substituted aryl-2′-pyrazol-3′-yl)aminopyridines (4a-4e) have been derived from 2-(substituted benzylidenylacetyl)aminopyridines (2a-2e). The struc