Paper
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.
Published Jul 19, 1994 · L. Mosti, G. Menozzi, P. Schenone
Farmaco
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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.
In Vitro StudyThese compounds show strong local anesthetic activity, platelet antiaggregating activity, and moderate analgesic, antiinflammatory, and antiarrhythmic activities in rats and mice.
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