{"created":"2023-07-25T09:15:46.732542+00:00","id":15772,"links":{},"metadata":{"_buckets":{"deposit":"108b04be-aaba-4381-8041-1e2710f0a628"},"_deposit":{"created_by":19,"id":"15772","owners":[19],"pid":{"revision_id":0,"type":"depid","value":"15772"},"status":"published"},"_oai":{"id":"oai:toyama.repo.nii.ac.jp:00015772","sets":["496:556:557:558"]},"author_link":["9694","30046","167487","167921","167922","30043","34888"],"item_2_alternative_title_19":{"attribute_name":"その他（別言語等）のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"79(P06) Synthesis and Its Application to Natural Products Synthesis of New Piperidone Type of Chiral Building Block"}]},"item_2_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1999-09-01","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"474","bibliographicPageStart":"469","bibliographicVolumeNumber":"41","bibliographic_titles":[{"bibliographic_title":"天然有機化合物討論会講演要旨集"},{"bibliographic_title":"Symposium on the Chemistry of Natural Products, symposium papers"}]}]},"item_2_description_15":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_2_description_4":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"We have achieved the synthesis of both enantiomers of the new piperidone type of chiral building block (1) by using bakers' yeast reduction of corresponding β-keto ester or lipase-mediated kinetic resolution of (±)-1 in optically pure state. Its application to the natural products synthesis also has been demonstrated. Thus, the new and flexible route to the diastereodivergent synthesis of the α,α'-disubstituted 3-piperidinol alkaloids was established, and the chiral synthesis of (+)-prosafrinine, (-)-iso-6-cassine, (-)-prosophylline, and (-)-prosopinine has been achieved. As another application to the synthesis of the natural products, we accomplished the first enantioselective total synthesis of the marine alkaloids clavepictine A, B, pictamine, and lepadin B, using an intramolecular Michael type of ring closure reaction to give the 4,6-cis-substituted quinolizidine ring system (3) or an intramolecular aldol type of cyclization to give the 4a,8a-cis-octahydroquinolinone ring core (4) as the key step, respectively, and the absolute stereochemistry of these marine alkaloids was determined by the present chiral syntheses.","subitem_description_type":"Abstract"}]},"item_2_description_40":{"attribute_name":"資源タイプ(DSpace)","attribute_value_mlt":[{"subitem_description":"Article","subitem_description_type":"Other"}]},"item_2_description_6":{"attribute_name":"引用","attribute_value_mlt":[{"subitem_description":"天然有機化合物討論会講演要旨集 41, 469-474.(1999)","subitem_description_type":"Other"}]},"item_2_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"30046","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"1000010217565","nameIdentifierScheme":"CiNii ID","nameIdentifierURI":"http://ci.nii.ac.jp/nrid/1000010217565"},{"nameIdentifier":"10217565","nameIdentifierScheme":"e-Rad","nameIdentifierURI":"https://nrid.nii.ac.jp/nrid/1000010217565"}],"names":[{"name":"Toyooka, Naoki"}]},{"nameIdentifiers":[{"nameIdentifier":"167487","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"9000006708014","nameIdentifierScheme":"CiNii ID","nameIdentifierURI":"http://ci.nii.ac.jp/nrid/9000006708014"}],"names":[{"name":"Okumura, Maiko"}]},{"nameIdentifiers":[{"nameIdentifier":"167922","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"9000006708015","nameIdentifierScheme":"CiNii ID","nameIdentifierURI":"http://ci.nii.ac.jp/nrid/9000006708015"}],"names":[{"name":"Yotsui, Yasuhito"}]},{"nameIdentifiers":[{"nameIdentifier":"167921","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"9000006704741","nameIdentifierScheme":"CiNii ID","nameIdentifierURI":"http://ci.nii.ac.jp/nrid/9000006704741"}],"names":[{"name":"Yoshida, Yasuko"}]},{"nameIdentifiers":[{"nameIdentifier":"30043","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"9000005186775","nameIdentifierScheme":"CiNii ID","nameIdentifierURI":"http://ci.nii.ac.jp/nrid/9000005186775"},{"nameIdentifier":"50028833","nameIdentifierScheme":"e-Rad","nameIdentifierURI":"https://nrid.nii.ac.jp/nrid/1000050028833"}],"names":[{"name":"Momose, Takefumi"}]},{"nameIdentifiers":[{"nameIdentifier":"9694","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"1000000109109","nameIdentifierScheme":"CiNii ID","nameIdentifierURI":"http://ci.nii.ac.jp/nrid/1000000109109"},{"nameIdentifier":"00109109","nameIdentifierScheme":"e-Rad","nameIdentifierURI":"https://nrid.nii.ac.jp/nrid/1000000109109"}],"names":[{"name":"Takahata, Hiroki"}]},{"nameIdentifiers":[{"nameIdentifier":"34888","nameIdentifierScheme":"WEKO"},{"nameIdentifier":"9000006708019","nameIdentifierScheme":"CiNii ID","nameIdentifierURI":"http://ci.nii.ac.jp/nrid/9000006708019"},{"nameIdentifier":"60006351","nameIdentifierScheme":"e-Rad","nameIdentifierURI":"https://nrid.nii.ac.jp/nrid/1000060006351"}],"names":[{"name":"Nemoto, Hideo"}]}]},"item_2_publisher_33":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"天然有機化合物討論会"}]},"item_2_relation_12":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type":"isIdenticalTo","subitem_relation_type_id":{"subitem_relation_type_id_text":"10.24496/tennenyuki.41.0_469","subitem_relation_type_select":"DOI"}}]},"item_2_relation_29":{"attribute_name":"論文ID（NAID）","attribute_value_mlt":[{"subitem_relation_type":"isIdenticalTo","subitem_relation_type_id":{"subitem_relation_type_id_text":"110006681874","subitem_relation_type_select":"NAID"}}]},"item_2_source_id_10":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00154136","subitem_source_identifier_type":"NCID"}]},"item_2_version_type_16":{"attribute_name":"著者版フラグ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"豊岡, 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