{"created":"2025-02-21T04:37:39.570583+00:00","id":2008874,"links":{},"metadata":{"_buckets":{"deposit":"1c5e12a2-1a07-482d-b4b3-9c8aa3b4da25"},"_deposit":{"created_by":41,"id":"2008874","owners":[41],"pid":{"revision_id":0,"type":"depid","value":"2008874"},"status":"published"},"_oai":{"id":"oai:hiroshima.repo.nii.ac.jp:02008874","sets":["1730444907710"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_title":"Low-temperature oxyanion-accelerated vinylcyclopropane-cyclopentene rearrangement. Reaction of 2-(2-(trimethylsilyl)-ethenyl)cyclopropyl acetates with methyl lithium","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":"Sakurama, Keiki","creatorNameLang":"en"}],"familyNames":[{"familyName":"Sakurama","familyNameLang":"en"}],"givenNames":[{"givenName":"Keiki","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) 1997 Elsevier Science Ltd."}]},"item_1617186609386":{"attribute_name":"Subject","attribute_value_mlt":[{"subitem_subject":"vinylcyclopropane-cyclopentene","subitem_subject_scheme":"Other"},{"subitem_subject":"low temperature","subitem_subject_scheme":"Other"},{"subitem_subject":"2-(2-(trimethylsilyl)ethenyl)cyclopropyl","subitem_subject_scheme":"Other"},{"subitem_subject":"430","subitem_subject_scheme":"NDC"}]},"item_1617186626617":{"attribute_name":"Description","attribute_value_mlt":[{"subitem_description":"Reactions of four diastereomeric 2-(2-(trimethylsilyl)ethenyl)cyclopropyl acetates 7, derived from enol silyl ether 4 and Fischer carbene complex 6, with 2.2 equiv of MeLi at -80 ° to -30 °C afforded cyclopentenol 8 as a single diastereomer and acyclic enol silyl ethers 9 via the corresponding cyclopropanolates in ratios depending on the vinylsilane geometry. Predominant formation of 8 over 9 from (Z)-7 irrespective of the stereochemistry at C-1 was observed. This is the first example of oxyanion-accelerated vinylcyclopropane-cyclopentene rearrangement which proceeds at unprecedentedly low temperatures.","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":"0040-4039","subitem_source_identifier_type":"ISSN"}]},"item_1617187024783":{"attribute_name":"Page Start","attribute_value_mlt":[{"subitem_start_page":"3257"}]},"item_1617187056579":{"attribute_name":"Bibliographic Information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1997-05-05","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"18","bibliographicPageEnd":"3260","bibliographicPageStart":"3257","bibliographicVolumeNumber":"38","bibliographic_titles":[{"bibliographic_title":"Tetrahedron letters"},{"bibliographic_title":"Tetrahedron letters"}]}]},"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":"isVersionOf","subitem_relation_type_id":{"subitem_relation_type_id_text":"http://dx.doi.org/10.1016/S0040-4039(97)00579-0","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-lett_38-18_3257-3260_1997-5-5.pdf","filesize":[{"value":"172.0 KB"}],"mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://hiroshima.repo.nii.ac.jp/record/2008874/files/Tetrahedron-lett_38-18_3257-3260_1997-5-5.pdf"},"version_id":"48d3fc1f-8a9a-4350-bc6b-862136d776ae"}]},"item_1732771732025":{"attribute_name":"旧ID","attribute_value":"195"},"item_title":"Low-temperature oxyanion-accelerated vinylcyclopropane-cyclopentene rearrangement. Reaction of 2-(2-(trimethylsilyl)-ethenyl)cyclopropyl acetates with methyl lithium","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":"2008874","relation_version_is_last":true,"title":["Low-temperature oxyanion-accelerated vinylcyclopropane-cyclopentene rearrangement. Reaction of 2-(2-(trimethylsilyl)-ethenyl)cyclopropyl acetates with methyl lithium"],"weko_creator_id":"41","weko_shared_id":-1},"updated":"2025-02-22T04:31:43.790365+00:00"}