{"created":"2025-02-21T04:37:10.132525+00:00","id":2008858,"links":{},"metadata":{"_buckets":{"deposit":"a88d3e7d-4c76-49fd-8834-430cc4e98010"},"_deposit":{"created_by":41,"id":"2008858","owners":[41],"pid":{"revision_id":0,"type":"depid","value":"2008858"},"status":"published"},"_oai":{"id":"oai:hiroshima.repo.nii.ac.jp:02008858","sets":["1730444907710"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_title":"Diels-Alder reaction of α-substituted acrylates and α-(methylene)lactones: Conformation of dienophiles and endo/exo selectivity","subitem_title_language":"en"}]},"item_1617186419668":{"attribute_name":"Creator","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Takeda, Kei","creatorNameLang":"en"}],"familyNames":[{"familyName":"Takeda","familyNameLang":"en"}],"givenNames":[{"givenName":"Kei","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Imaoka, Ikuhiro","creatorNameLang":"en"}],"familyNames":[{"familyName":"Imaoka","familyNameLang":"en"}],"givenNames":[{"givenName":"Ikuhiro","givenNameLang":"en"}]},{"creatorNames":[{"creatorName":"Yoshii, Eiichi","creatorNameLang":"en"}],"familyNames":[{"familyName":"Yoshii","familyNameLang":"en"}],"givenNames":[{"givenName":"Eiichi","givenNameLang":"en"}]}]},"item_1617186476635":{"attribute_name":"Access Rights","attribute_value_mlt":[{"subitem_access_right":"open access","subitem_access_right_uri":"http://purl.org/coar/access_right/c_abf2"}]},"item_1617186499011":{"attribute_name":"Rights","attribute_value_mlt":[{"subitem_rights":"Copyright (c) 1994 Elsevier Science Ltd"}]},"item_1617186609386":{"attribute_name":"Subject","attribute_value_mlt":[{"subitem_subject":"430","subitem_subject_scheme":"NDC"}]},"item_1617186626617":{"attribute_name":"Description","attribute_value_mlt":[{"subitem_description":"to 7- and 9 to 11-membered α-(methylene)lactones has been carried out to examine correlation of dienophile structure with endo/exo selectivity. While the conformationally flexible acrylates produced cycloadducts of endo/exo = 59:41 to 74:26, the 5 to 7-membered lactones with rigid s-cis conjugated system provided cycloadducts of endo/exo = 13:87 to 32:68 and the 9 to 11-membered lactones which can take both s-cis and s-trans conformation afforded endo/exo ratios of 37:63 to 57:43","subitem_description_language":"en"}]},"item_1617186643794":{"attribute_name":"Publisher","attribute_value_mlt":[{"subitem_publisher":"Elsevier Science Ltd"}]},"item_1617186702042":{"attribute_name":"Language","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_1617186920753":{"attribute_name":"Source Identifier","attribute_value_mlt":[{"subitem_source_identifier":"0040-4020","subitem_source_identifier_type":"ISSN"}]},"item_1617187024783":{"attribute_name":"Page Start","attribute_value_mlt":[{"subitem_start_page":"10839"}]},"item_1617187056579":{"attribute_name":"Bibliographic Information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1994","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"27","bibliographicPageEnd":"10848","bibliographicPageStart":"10839","bibliographicVolumeNumber":"50","bibliographic_titles":[{"bibliographic_title":"Tetrahedron"},{"bibliographic_title":"Tetrahedron"}]}]},"item_1617258105262":{"attribute_name":"Resource Type","attribute_value_mlt":[{"resourcetype":"journal article","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_1617265215918":{"attribute_name":"Version Type","attribute_value_mlt":[{"subitem_version_resource":"http://purl.org/coar/version/c_b1a7d7d4d402bcce","subitem_version_type":"AO"}]},"item_1617353299429":{"attribute_name":"Relation","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.1016/S0040-4020(01)85696-9","subitem_relation_type_select":"DOI"}},{"subitem_relation_type":"isVersionOf","subitem_relation_type_id":{"subitem_relation_type_id_text":"http://dx.doi.org/10.1016/S0040-4020(01)85696-9","subitem_relation_type_select":"DOI"}}]},"item_1617605131499":{"attribute_name":"File","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","date":[{"dateType":"Available","dateValue":"2023-03-18"}],"displaytype":"simple","filename":"Tetrahedron_50-27_10839-10848_1994.pdf","filesize":[{"value":"264.7 KB"}],"mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://hiroshima.repo.nii.ac.jp/record/2008858/files/Tetrahedron_50-27_10839-10848_1994.pdf"},"version_id":"83bc9d30-5828-45fa-a25d-d9784ee2c653"}]},"item_1732771732025":{"attribute_name":"旧ID","attribute_value":"193"},"item_title":"Diels-Alder reaction of α-substituted acrylates and α-(methylene)lactones: Conformation of dienophiles and endo/exo selectivity","item_type_id":"40003","owner":"41","path":["1730444907710"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2023-03-18"},"publish_date":"2023-03-18","publish_status":"0","recid":"2008858","relation_version_is_last":true,"title":["Diels-Alder reaction of α-substituted acrylates and α-(methylene)lactones: Conformation of dienophiles and endo/exo selectivity"],"weko_creator_id":"41","weko_shared_id":-1},"updated":"2025-02-22T04:30:22.410378+00:00"}