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3,5-Diphenyl-1H-pyrazole derivatives. XII. N-substituted 4-amino-1-(2-hydroxy- or 2-alkylaminoethyl)-3,5-diphenyl-1H-pyrazoles with local anesthetic, analgesic and platelet antiaggregating activities. 1994
O Bruno, and
A Ranise, and
F Bondavalli, and
S Schenone, and
M D'Amico, and
M Falciani, and
C Vacca, and
A Filippelli
Istituto di Scienze Farmaceutiche dell'Università, Genova, Italy.
The synthesis of 4-amino-3,5-diphenyl-1H-pyrazole-1-ethanol, as well as of their N-methyl, N-ethyl and N,N-dimethyl derivatives is described. A series of 1-(2-alkylaminoethyl)-3,5-diphenyl-1H-pyrazole-4-amines and of N-substituted 4-dimethylamino-3,5-diphenyl-1H-pyrazole-1-ethanamines were also prepared. Some of the above compounds showed remarkable local anesthetic, analgesic and in vitro platelet antiaggregating activities, as well as moderate antiinflammatory and antipyretic activities in rats and mice.
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