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Syntheses and properties of the major hydroxy metabolites in humans of blonanserin AD-5423, a novel antipsychotic agent

Two hydroxy metabolites in humans of blonanserin was synthesized. The optical resolution, structure, and biological results of these metabolites were also reported. Two major metabolites in humans of blonanserin, 2-(4-ethyl-1-piperazinyl)-4-(4-fluorophenyl)-5,6,7,8,9,10-hexahydrocycloocta-[b]pyridin...

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Bibliographic Details
Published in:Bioorganic & medicinal chemistry letters 2005-02, Vol.15 (4), p.1055-1059
Main Authors: Ochi, Takeshi, Sakamoto, Masato, Minamida, Akira, Suzuki, Kenji, Ueda, Tomohiko, Une, Teruaki, Toda, Hiroshi, Matsumoto, Kazuya, Terauchi, Yoshiaki
Format: Article
Language:English
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Summary:Two hydroxy metabolites in humans of blonanserin was synthesized. The optical resolution, structure, and biological results of these metabolites were also reported. Two major metabolites in humans of blonanserin, 2-(4-ethyl-1-piperazinyl)-4-(4-fluorophenyl)-5,6,7,8,9,10-hexahydrocycloocta-[b]pyridine (code name AD-5423), were synthesized. The first, 7-hydroxylated AD-5423, was synthesized through a four-step process starting from 4-fluorobenzoylacetonitrile ( 1), and the second, 8-hydroxylated AD-5423, a nine-step process also from 1. The optical resolution, structures, and receptor binding properties of the metabolites were documented.
ISSN:0960-894X
1464-3405
DOI:10.1016/j.bmcl.2004.12.028