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Sulfide 3 was oxidized with mCPBA to give sulfoxide 4 and sulfone 5. The salt 6 which comes from the treatment of 4 with Tf2O converted to an unexpected product, 5,5\u0027-diisopropyl-3,3\u0027-bi-2H-cyclohepta[b]furan-2-one (7), thermally.", "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_31": {"attribute_name": "フォーマット：mimeタイプ", "attribute_value_mlt": [{"subitem_description": "application/pdf", "subitem_description_type": "Other"}]}, "item_6_description_5": {"attribute_name": "引用", "attribute_value_mlt": [{"subitem_description": "Heterocycles. Vol 73, Issue 1, 2007, pp.237-240.", "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": "Shoji, T", "subitem_link_url": "http://soar-rd.shinshu-u.ac.jp/profile/ja.gmShOakh.html"}]}, "item_6_link_67": {"attribute_name": "WoS", "attribute_value_mlt": [{"subitem_link_text": "Web of Science", "subitem_link_url": "http://gateway.isiknowledge.com/gateway/Gateway.cgi?\u0026GWVersion=2\u0026SrcAuth=ShinshuUniv\u0026SrcApp=ShinshuUniv\u0026DestLinkType=FullRecord\u0026DestApp=WOS\u0026KeyUT=000253154500018"}]}, "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-07-S(U)43"}], "subitem_relation_type_id": {"subitem_relation_type_id_text": "https://doi.org/10.3987/COM-07-S(U)43", "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_select_64": {"attribute_name": "著者版フラグ", "attribute_value_mlt": [{"subitem_select_item": "publisher"}]}, "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_39": {"attribute_name": "NII 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_6_text_69": {"attribute_name": "wosonly authkey", "attribute_value_mlt": [{"subitem_text_value": "2H-cyclohepta[b]furan-2-one; heteroazulene; 5-isopropyl-2H-cyclohepta[b]furan-2-one; dimethyl sulfide ditriflate"}]}, "item_6_text_70": {"attribute_name": "wosonly keywords", "attribute_value_mlt": [{"subitem_text_value": "DERIVATIVES"}]}, "item_6_textarea_68": {"attribute_name": "wosonly abstract", "attribute_value_mlt": [{"subitem_textarea_value": "5-Isopropyl-2H-cyclohepta[b]furan-2-one (1) reacted with DMSD to give dimethyl(5-isopropyl-2-oxo-2H-cyclohepta[b]furan-3-yl)sulfonium trifluoromethanesulfonate (2), which was treated with E(t)3N to give 5-isopropyl-3-methylthio-2H-cyclohepta[b]furan-2-one (3). Sulfide 3 was oxidized with mCPBA to give sulfoxide 4 and sulfone 5. The salt 6 which comes from the treatment of 4 with Tf2O converted to an unexpected product, 5,5\u0027-diisopropyl-3,3\u0027-bi-2H-cyclohepta[b]furan-2-one (7), thermally."}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Morita,  N"}], "nameIdentifiers": [{"nameIdentifier": "36441", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Higashi,  J"}], "nameIdentifiers": [{"nameIdentifier": "36442", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Okada,  K"}], "nameIdentifiers": [{"nameIdentifier": "36443", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Shoji,  T"}], "nameIdentifiers": [{"nameIdentifier": "36444", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Toyota,  K"}], "nameIdentifiers": [{"nameIdentifier": "36445", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Watanabe,  M"}], "nameIdentifiers": [{"nameIdentifier": "36446", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Yasunami,  M"}], "nameIdentifiers": [{"nameIdentifier": "36447", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Kikuchi,  S"}], "nameIdentifiers": [{"nameIdentifier": "36448", "nameIdentifierScheme": "WEKO"}]}, {"creatorNames": [{"creatorName": "Ito,  S"}], "nameIdentifiers": [{"nameIdentifier": "36449", "nameIdentifierScheme": "WEKO"}]}]}, "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", "download_preview_message": "", "file_order": 0, "filename": "Heterocycles 2007, 73, 237.pdf", "filesize": [{"value": "222.3 kB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_note", "mimetype": "application/pdf", "size": 222300.0, "url": {"label": "Heterocycles 2007, 73, 237.pdf", "url": "https://soar-ir.repo.nii.ac.jp/record/11891/files/Heterocycles 2007, 73, 237.pdf"}, "version_id": "0e17fc56-dee4-47c5-ba14-67ec4604ce7c"}]}, "item_keyword": {"attribute_name": "キーワード", "attribute_value_mlt": [{"subitem_subject": "2H-cyclohepta[b]furan-2-one", "subitem_subject_scheme": "Other"}, {"subitem_subject": "heteroazulene", "subitem_subject_scheme": "Other"}, {"subitem_subject": "5-isopropyl-2H-cyclohepta[b]furan-2-one", "subitem_subject_scheme": "Other"}, {"subitem_subject": "dimethyl sulfide ditriflate", "subitem_subject_scheme": "Other"}]}, "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": "A Novel Approach to 5,5’-Diisopropyl-3,3’-bi-2H-cyclohepta[b]furan-2-one", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "A Novel Approach to 5,5’-Diisopropyl-3,3’-bi-2H-cyclohepta[b]furan-2-one", "subitem_title_language": "en"}]}, "item_type_id": "6", "owner": "1", "path": ["1170"], "permalink_uri": "http://hdl.handle.net/10091/10064", "pubdate": {"attribute_name": "PubDate", "attribute_value": "2010-05-18"}, "publish_date": "2010-05-18", "publish_status": "0", "recid": "11891", "relation": {}, "relation_version_is_last": true, "title": ["A Novel Approach to 5,5’-Diisopropyl-3,3’-bi-2H-cyclohepta[b]furan-2-one"], "weko_shared_id": -1}