- Pyrazolodiazepines. 1,3 (and 2,3) dialkyl 4,6 dihydro 8 arylpyrazolo[4,3 e][1,4] diazepin 5 ones as antianxiety agents
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A series of 1, 3 (and 2, 3) dialkyl 4, 6 dihydro 8 arylpyrazolo [4, 3 e][1, 4] diazepin 5 ones was synthesized and evaluated for psychotropic activity. Intermediates are new dialkylnitropyrazolyl aryl ketones prepared from dialkylnitropyrazolecarboxylic acids. Many of these pyrazolodiazepines exhibit high CNS activity in animals. One compound, 1 ethyl 4, 6 dihydro 3 methyl 8 phenylpyrazolo [4, 3 e] [1, 4] diazepin 5 (1H) one is about as potent as diazepam as an antianxiety agent with less sedative properties and is being studied in the clinic.
- DeWald,Nordin,L'Italien,Parcell
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p. 1346 - 1354
(2007/10/04)
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