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Ocinaplon
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Ocinaplon
Ocinaplon is an anxiolytic drug in the pyrazolopyrimidine family of drugs. Other pyrazolopyrimidine drugs include zaleplon and indiplon.
Ocinaplon has a similar pharmacological profile to the benzodiazepine family of drugs, but with mainly anxiolytic properties and relatively little sedative or amnestic effect.
A 2019 review found tentative evidence of benefit in anxiety.
The mechanism of action by which ocinaplon produces its anxiolytic effects is by modulating GABAA receptors, although ocinaplon is more subtype-selective than most benzodiazepines.
Development of ocinaplon is discontinued due to liver complications that occurred in one of the Phase III subjects.
Condensation of 4-Acetylpyridine with N,N-Dimethylformamide dimethyl acetal (DMFDMA) gives the "enamide" (3). This is then condensed with (3-Amino-1H-pyrazol-4-yl)(2-pyridinyl)methanone (4) (96219-90-8). This is the same intermediate as was used in the synthesis of zaleplon in which the nitrile is replaced by a 2-acetylpyridil moiety. This affords the anxiolytic agent ocinaplon (5).
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Ocinaplon
Ocinaplon is an anxiolytic drug in the pyrazolopyrimidine family of drugs. Other pyrazolopyrimidine drugs include zaleplon and indiplon.
Ocinaplon has a similar pharmacological profile to the benzodiazepine family of drugs, but with mainly anxiolytic properties and relatively little sedative or amnestic effect.
A 2019 review found tentative evidence of benefit in anxiety.
The mechanism of action by which ocinaplon produces its anxiolytic effects is by modulating GABAA receptors, although ocinaplon is more subtype-selective than most benzodiazepines.
Development of ocinaplon is discontinued due to liver complications that occurred in one of the Phase III subjects.
Condensation of 4-Acetylpyridine with N,N-Dimethylformamide dimethyl acetal (DMFDMA) gives the "enamide" (3). This is then condensed with (3-Amino-1H-pyrazol-4-yl)(2-pyridinyl)methanone (4) (96219-90-8). This is the same intermediate as was used in the synthesis of zaleplon in which the nitrile is replaced by a 2-acetylpyridil moiety. This affords the anxiolytic agent ocinaplon (5).
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