Design, synthesis, and pharmacological profile of novel fused pyrazolo [4, 3-d] pyridine and pyrazolo [3, 4-b][1, 8] naphthyridine isosteres: A new class of potent and …
A new family of tacrine (THA) analogues (7-9, 12), containing the azaheterocyclic pyrazolo [4, 3-d] pyridine or pyrazolo [3, 4-b][1, 8] naphthyridine systems as isosteres of the quinoline ring of THA, has been synthesized. The compounds were tested in rat brain cholinesterases