5-Acyl-6-aryl-4-nitro-3(2H)pyridazinones and Related 4-Amino Compounds: Synthesis and Pharmacological Evaluation
作者:Vittorio Dal Piaz、Giovanna Ciciani、Giovanni Turco、Maria Paola Giovannoni、Mauro Miceli、Renato Pirisino、Mauro Perretti
DOI:10.1002/jps.2600800412
日期:1991.4
Several 4-nitro- and 4-amino-5-acyl-6-aryl-3(2H)pyridazinones were prepared and their in vitro and ex vivo antiaggregatory properties were evaluated. 4-Nitro derivatives 3 generally showed good activity in vitro towards arachidonic acid (AA)-induced human blood platelet aggregation. The 4-aminocompound 4a, which has weak in vitro activity, exhibited antiplatelet activity, particularly on adenosine