Abstract
A series of novel, potent and selective pyrido[1,2-a]pyrazine dopamine D4 receptor antagonists are reported including CP-293,019 (D4 Ki = 3.4 nM, D2 Ki > 3,310 nM), which also inhibits apomorphine-induced hyperlocomotion in rats after oral dosing.
MeSH terms
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Animals
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Apomorphine / pharmacology
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Dopamine Antagonists / chemical synthesis*
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Dopamine Antagonists / chemistry
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Dopamine Antagonists / pharmacology
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Dopamine D2 Receptor Antagonists*
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Drug Design
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Haloperidol / pharmacology
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Indicators and Reagents
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Molecular Structure
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Motor Activity / drug effects*
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Pyrazines / chemical synthesis*
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Pyrazines / chemistry
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Pyrazines / pharmacology
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Pyrimidines / chemical synthesis*
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Pyrimidines / chemistry
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Pyrimidines / pharmacology
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Rats
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Receptors, Dopamine D4
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Structure-Activity Relationship
Substances
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CP 293019
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Dopamine Antagonists
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Dopamine D2 Receptor Antagonists
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Drd4 protein, rat
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Indicators and Reagents
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Pyrazines
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Pyrimidines
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Receptors, Dopamine D4
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Haloperidol
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Apomorphine