title: Synthesis and antiplatelet activity of some 2,7-di(N-cycloamino)-3-phenyl-1,8-naphthyridine derivatives.
abstract: Several 2,7-di(N-cycloamino)-3-phenyl-1,8-naphthyridine derivatives were synthesized and tested for their ability to inhibit human platelet aggregation in vitro induced by arachidonic acid, collagen and ADP. Only five compounds showed any appreciable activity, and the results of all the active derivatives were similar to those of papaverine in the test with arachidonic acid and collagen. Moreover, the most active compounds were investigated in the test with ADP and again showed a significant activity. The tested compounds that possessed the best activity were also shown to increase the c-AMP level significantly without involving the adenylyl cyclase system.
authors: Dipartimento di Scienze Farmaceutiche, Università di Pisa, Italy. ferrarini@farm.unipi.it
authors: P L
authors: PL
authors: Ferrarini
authors: M
authors: M
authors: Badawneh
authors: F
authors: F
authors: Franconi
authors: C
authors: C
authors: Manera
authors: M
authors: M
authors: Miceli
authors: C
authors: C
authors: Mori
authors: G
authors: G
authors: Saccomanni
mesh_terms: D000244:Adenosine Diphosphate / Q000037:antagonists & inhibitors / Q000494:pharmacology; D016718:Arachidonic Acid / Q000037:antagonists & inhibitors / Q000494:pharmacology; D001792:Blood Platelets / Q000187:drug effects* / Q000378:metabolism; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D003094:Collagen / Q000037:antagonists & inhibitors / Q000494:pharmacology; D000242:Cyclic AMP / Q000097:blood; D006801:Humans; D066298:In Vitro Techniques; D007202:Indicators and Reagents; D009682:Magnetic Resonance Spectroscopy; D009287:Naphthyridines / Q000138:chemical synthesis* / Q000494:pharmacology; D010974:Platelet Aggregation / Q000187:drug effects; D010975:Platelet Aggregation Inhibitors / Q000138:chemical synthesis* / Q000494:pharmacology*; D013055:Spectrophotometry, Infrared; D013329:Structure-Activity Relationship
chemical_list: D007202:Indicators and Reagents; D009287:Naphthyridines; D010975:Platelet Aggregation Inhibitors; D016718:Arachidonic Acid; D000244:Adenosine Diphosphate; D003094:Collagen; D000242:Cyclic AMP