title: Ethyl or methyl 6-substituted 3-(benzoylamino)-2-oxo-2H-pyran-5-carboxylates and 3-(benzoylamino)-7,8-dihydro-2H-1-benzopyran-2,5(6H)-diones with local anesthetic, platelet antiaggregating and other activities.
abstract: The synthesis of ethyl or methyl 6-substituted 3-(benzoylamino)-2-oxo-2H-pyran-5-carboxylates 2 and 3-(benzoylamino)-7,8-dihydro-2H-1-benzopyran-2,5(6H)-diones 4 by reaction of hippuric acid in acetic anhydride with ethyl or methyl 2-dimethylaminomethylene-3-oxoalkanoates and 2-dimethylaminomethylene-1,3-cyclohexanediones, respectively, is described. Some compounds 2 and 4 showed a strong local anesthetic activity in mice and a platelet antiaggregating activity in vitro comparable to that of acetylsalicylic acid, as well as moderate analgesic, antiinflammatory and antiarrhythmic activities in rats and mice.
authors.affiliation: Istituto di Scienze Farmaceutiche dell'Università, Genova, Italy.
authors.forename: L
authors.initials: L
authors.lastname: Mosti
authors.forename: G
authors.initials: G
authors.lastname: Menozzi
authors.forename: P
authors.initials: P
authors.lastname: Schenone
authors.forename: M
authors.initials: M
authors.lastname: D'Amico
authors.forename: M
authors.initials: M
authors.lastname: Falciani
authors.forename: F
authors.initials: F
authors.lastname: Rossi
mesh_terms: D000779:Anesthetics, Local / Q000138:chemical synthesis* / Q000494:pharmacology; D000818:Animals; D000889:Anti-Arrhythmia Agents / Q000138:chemical synthesis / Q000494:pharmacology; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000138:chemical synthesis / Q000494:pharmacology; D002351:Carrageenan; D003374:Coumarins / Q000138:chemical synthesis* / Q000494:pharmacology; D004487:Edema / Q000139:chemically induced / Q000517:prevention & control; D006801:Humans; D066298:In Vitro Techniques; D009682:Magnetic Resonance Spectroscopy; D051379:Mice; D010147:Pain Measurement / Q000187:drug effects; D010975:Platelet Aggregation Inhibitors / Q000138:chemical synthesis* / Q000494:pharmacology; D011753:Pyrones / Q000138:chemical synthesis* / Q000494:pharmacology; D051381:Rats; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet
chemical_list: D000779:Anesthetics, Local; D000889:Anti-Arrhythmia Agents; D000894:Anti-Inflammatory Agents, Non-Steroidal; D003374:Coumarins; D010975:Platelet Aggregation Inhibitors; D011753:Pyrones; D002351:Carrageenan