{"created":"2021-03-01T06:15:38.282089+00:00","id":12723,"links":{},"metadata":{"_buckets":{"deposit":"b191f484-49da-4161-9dba-24b2cf39252b"},"_deposit":{"id":"12723","owners":[],"pid":{"revision_id":0,"type":"depid","value":"12723"},"status":"published"},"_oai":{"id":"oai:soar-ir.repo.nii.ac.jp:00012723","sets":["1221:1222"]},"author_link":["39107","39108","39109"],"item_1628147817048":{"attribute_name":"出版タイプ","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_970fb48d4fbd8a85","subitem_version_type":"VoR"}]},"item_6_biblio_info_6":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2007-01","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"2","bibliographicPageEnd":"371","bibliographicPageStart":"361","bibliographicVolumeNumber":"71","bibliographic_titles":[{"bibliographic_title":"Heterocycles"}]}]},"item_6_description_20":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"Among several Lewis acids examined, Sc(OTf)(3) (10 mol%) was found to be the most effective catalyst to promote a Michael addition reaction of N-Boc-2-(tert-butyldimethylsilyloxy)pyrrole to 3-acryloyl-2-oxazolidinone. A slow addition of the 2-silyloxypyrrole in the presence of 1,1,1,3,3,3-hexafluoro-2-propanol (5 equiv.) at -25 degrees C were needed to obtain good yield (77 - 80%). The asymmetric version of the reaction could be performed with good enantioselectivity (up to 82% ee) by using the chiral Sc(III) catalyst (10 mol%), which was prepared from 2,6-bis[(4S)-4-isopropyl-2-oxazolin-2-yl]pyridine and Sc(OTf)(3), in reasonable yield (60 - 70%).","subitem_description_type":"Abstract"}]},"item_6_description_30":{"attribute_name":"資源タイプ（コンテンツの種類）","attribute_value_mlt":[{"subitem_description":"Article","subitem_description_type":"Other"}]},"item_6_description_5":{"attribute_name":"引用","attribute_value_mlt":[{"subitem_description":"Heterocycles. 71(2): 361-371 (2007)","subitem_description_type":"Other"}]},"item_6_link_3":{"attribute_name":"信州大学研究者総覧へのリンク","attribute_value_mlt":[{"subitem_link_text":"Suga, H","subitem_link_url":"http://soar-rd.shinshu-u.ac.jp/profile/ja.HmShyVfp.html"}]},"item_6_link_67":{"attribute_name":"WoS","attribute_value_mlt":[{"subitem_link_url":"http://gateway.isiknowledge.com/gateway/Gateway.cgi?&GWVersion=2&SrcAuth=ShinshuUniv&SrcApp=ShinshuUniv&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000244797600010"}]},"item_6_publisher_4":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"The Japan Institute of Heterocyclic Chemistry"}]},"item_6_relation_46":{"attribute_name":"他の資源との関係：URI","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_text":"http://www.heterocycles.jp/"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"http://www.heterocycles.jp/","subitem_relation_type_select":"URI"}}]},"item_6_relation_48":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_name":[{"subitem_relation_name_text":"10.3987/COM-06-10966"}],"subitem_relation_type_id":{"subitem_relation_type_id_text":"https://doi.org/10.3987/COM-06-10966","subitem_relation_type_select":"DOI"}}]},"item_6_rights_62":{"attribute_name":"権利","attribute_value_mlt":[{"subitem_rights":"Copyright© 2007 The Japan Institute of Heterocyclic Chemistry"}]},"item_6_source_id_35":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0385-5414","subitem_source_identifier_type":"ISSN"}]},"item_6_source_id_40":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AA00663739","subitem_source_identifier_type":"NCID"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Suga,  H"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Takemoto,  H"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Kakehi,  A"}],"nameIdentifiers":[{}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2015-09-28"}],"displaytype":"detail","filename":"HC710203610405.pdf","filesize":[{"value":"260.1 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"HC710203610405.pdf","url":"https://soar-ir.repo.nii.ac.jp/record/12723/files/HC710203610405.pdf"},"version_id":"7f25b2ba-ab8d-4283-bcc7-eccc8bbfe360"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Lewis Acid-Catalyzed Michael Addition Reactions of N-Boc-2-silyloxypyrroles to 3-Acryloyl-2-oxazolidinone","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Lewis Acid-Catalyzed Michael Addition Reactions of N-Boc-2-silyloxypyrroles to 3-Acryloyl-2-oxazolidinone","subitem_title_language":"en"}]},"item_type_id":"6","owner":"1","path":["1222"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2007-04-05"},"publish_date":"2007-04-05","publish_status":"0","recid":"12723","relation_version_is_last":true,"title":["Lewis Acid-Catalyzed Michael Addition Reactions of N-Boc-2-silyloxypyrroles to 3-Acryloyl-2-oxazolidinone"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2022-12-14T04:02:10.486655+00:00"}