{"created":"2022-01-27T08:06:30.519143+00:00","id":2004480,"links":{},"metadata":{"_buckets":{"deposit":"2b74c57e-ff05-4288-b268-da633059f31d"},"_deposit":{"id":"2004480","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"2004480"},"status":"published"},"_oai":{"id":"oai:u-ryukyu.repo.nii.ac.jp:02004480","sets":["1642837622505:1642837957109:1642837983067","1642838403551:1642838406414"]},"author_link":[],"item_1617186331708":{"attribute_name":"Title","attribute_value_mlt":[{"subitem_1551255647225":"Preparation of (Z)-3-acetoxy-5-carbomethoxy-l-cyclohexene","subitem_1551255648112":"en"}]},"item_1617186419668":{"attribute_name":"Creator","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Suzuka, Toshimasa","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"Nagatomi, Yurie","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"鈴鹿, 俊雅","creatorNameLang":"ja"}]}]},"item_1617186476635":{"attribute_name":"Access Rights","attribute_value_mlt":[{"subitem_1522299639480":"open access","subitem_1600958577026":"http://purl.org/coar/access_right/c_abf2"}]},"item_1617186626617":{"attribute_name":"Description","attribute_value_mlt":[{"subitem_description":"(Z)-3-Acetoxy-5-carbomethoxy-l-cyclohexene was prepared via according to the reported procedures. Thus, iodolactonization of (rac)-3-cyclohexene-l-carboxylic acid followed by elimination of iodide with 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) gave the unsaturated lactone in 86% yield for 2 steps. Alcoholysis of the obtained lactone with sodium methoxide in methanol afforded (Z)-5-carbomethoxy-3-hydroxy-1-cyclohexene in 95% yield with sole isomer. Acetylation of the alcohol 4 was carried out with AcCl and pyridine in CH_2CI_2 at 0 ℃ for 40 min to give (Z)-3-acetoxyl-5-carbomethoxy-l-cyclohexene in 22% yield with a mixture of 88% Z-isomer and 12% E-isomer.","subitem_description_type":"Other"},{"subitem_description":"紀要論文","subitem_description_type":"Other"}]},"item_1617186643794":{"attribute_name":"Publisher","attribute_value_mlt":[{"subitem_1522300295150":"ja","subitem_1522300316516":"琉球大学理学部"}]},"item_1617186702042":{"attribute_name":"Language","attribute_value_mlt":[{"subitem_1551255818386":"eng"}]},"item_1617186783814":{"attribute_name":"Identifier","attribute_value_mlt":[{"subitem_identifier_type":"HDL","subitem_identifier_uri":"http://hdl.handle.net/20.500.12000/9535"}]},"item_1617186920753":{"attribute_name":"Source Identifier","attribute_value_mlt":[{"subitem_1522646500366":"ISSN","subitem_1522646572813":"0286-9640"},{"subitem_1522646500366":"NCID","subitem_1522646572813":"AN00250774"}]},"item_1617186941041":{"attribute_name":"Source Title","attribute_value_mlt":[{"subitem_1522650068558":"ja","subitem_1522650091861":"琉球大学理学部紀要"},{"subitem_1522650068558":"en","subitem_1522650091861":"Bulletin of the College of Science. University of the Ryukyus"}]},"item_1617187056579":{"attribute_name":"Bibliographic Information","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2009-03","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"87","bibliographicPageEnd":"79","bibliographicPageStart":"77"}]},"item_1617258105262":{"attribute_name":"Resource Type","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_1617265215918":{"attribute_name":"Version Type","attribute_value_mlt":[{"subitem_1522305645492":"VoR","subitem_1600292170262":"http://purl.org/coar/version/c_970fb48d4fbd8a85"}]},"item_1617605131499":{"attribute_name":"File","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_access","filename":"No87p077.pdf","mimetype":"application/pdf","url":{"objectType":"fulltext","url":"https://u-ryukyu.repo.nii.ac.jp/record/2004480/files/No87p077.pdf"},"version_id":"d74158a1-dba4-4d52-aec4-d6fa42605145"}]},"item_title":"Preparation of (Z)-3-acetoxy-5-carbomethoxy-l-cyclohexene","item_type_id":"15","owner":"1","path":["1642837983067","1642838406414"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2009-04-06"},"publish_date":"2009-04-06","publish_status":"0","recid":"2004480","relation_version_is_last":true,"title":["Preparation of (Z)-3-acetoxy-5-carbomethoxy-l-cyclohexene"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2022-10-31T01:58:35.954573+00:00"}