{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1390282680254242560.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.5059/yukigoseikyokaishi.56.368"}},{"identifier":{"@type":"COI","@value":"1:CAS:528:DyaK1cXjtFGitbk%3D"}},{"identifier":{"@type":"NDL_BIB_ID","@value":"4470618"}},{"identifier":{"@type":"URI","@value":"http://id.ndl.go.jp/bib/4470618"}},{"identifier":{"@type":"URI","@value":"https://ndlsearch.ndl.go.jp/books/R000000004-I4470618"}},{"identifier":{"@type":"DOI","@value":"10.1002/chin.199842299"}},{"identifier":{"@type":"NAID","@value":"10009341448"}}],"dc:title":[{"@language":"en","@value":"Asymmetric Cycloaddition Reactions Catalyzed by Transition Metal Complexes. New Guidelines for Structural Design of Chiral Catalyst."},{"@value":"遷移金属ルイス酸触媒を用いる不斉環状付加反応　　　触媒構造設計の新しい指針"},{"@language":"ja-Kana","@value":"センイ キンゾク ルイスサン ショクバイ オ モチイル フセイ カンジョウ フ"}],"dcterms:alternative":[{"@language":"en","@value":"New Guidelines for Structural Design of Chiral Catalyst"},{"@value":"触媒構造設計の新しい指針"}],"dc:language":"ja","description":[{"type":"abstract","notation":[{"@language":"en","@value":"Cationic aqua complexes of a trans-chelating tridentate ligand, (<I>R</I>, <I>R</I>) -4, 6-dibenzofurandiyl-2, 2' -bis (4-phenyloxazoline), and transition metal (II) perchlorates are effective catalysts in the cyclopentadiene Diels-Alder reactions, nitrone cycloadditions, and diazomethane cycloadditions with 3-alkenoyl- 2-oxazolidinones to show excellent enantioselectivities. The active catalyst complex prepared from nickel (II) perchlorate hexahydrate has an octahedral structure with three aqua ligands, and it can be isolated and stored for months without loss of catalytic activity. The aqua complex prepared from Ni (II) or Zn (II) perchlorate results in highly effective chiral amplification in the Diels-Alder reaction. Two mechanisms for amplification are involved for this remarkable chiral amplification : (1) precipitation of S<SUB>4</SUB>-symmetric meso-2 : 1 complex between DBFOX/Ph and Ni (II) ion, and (2) associative formation of 1 : 1 heterochiral complexes by the aid of hydrogen bonds based on aqua ligands to produce stable meso oligomers."}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410001204119063169","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000257704875"},{"@type":"NRID","@value":"9000021819849"},{"@type":"NRID","@value":"9000000547302"},{"@type":"NRID","@value":"9000255697978"},{"@type":"NRID","@value":"9000021764482"},{"@type":"NRID","@value":"9000256019397"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/read0171903"}],"foaf:name":[{"@language":"en","@value":"KANEMASA Shuji"},{"@language":"ja","@value":"金政 修司"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Institute of Advanced Material Study, Kyushu University"},{"@language":"ja","@value":"九州大学機能物質科学研究所"}]},{"@id":"https://cir.nii.ac.jp/crid/1030285133465106176","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"60324810"},{"@type":"NRID","@value":"1000060324810"},{"@type":"NRID","@value":"9000391959549"},{"@type":"NRID","@value":"9000391968139"},{"@type":"NRID","@value":"9000391967013"},{"@type":"NRID","@value":"9000009986768"},{"@type":"NRID","@value":"9000391966079"},{"@type":"NRID","@value":"9000000842141"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/read0068596"}],"foaf:name":[{"@language":"en","@value":"ODERAOTOSHI Yoji"},{"@language":"ja","@value":"大平落 洋二"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Molecular Science and Technology, Interdisciplinary Graduate School of Engineering Sciences, Kyushu University"},{"@language":"ja","@value":"九州大学大学院総合理工学研究科分子工学専攻"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00379980"},{"@type":"EISSN","@value":"18836526"},{"@type":"NDL_BIB_ID","@value":"000000023528"},{"@type":"ISSN","@value":"00379980"},{"@type":"LISSN","@value":"00379980"},{"@type":"PISSN","@value":"09317597"},{"@type":"EISSN","@value":"15222667"},{"@type":"NCID","@value":"AN0024521X"}],"prism:publicationName":[{"@language":"en","@value":"Journal of Synthetic Organic Chemistry, Japan"},{"@language":"ja","@value":"有機合成化学協会誌"},{"@language":"en","@value":"J. Synth. Org. Chem. Jpn."},{"@language":"en","@value":"yukigoseikyokaishi"},{"@language":"en","@value":"J. Synth. Org. Chem., Jpn."},{"@language":"ja","@value":"有合化"},{"@language":"en","@value":"J. Syn. Org. Chem., Jpn."}],"dc:publisher":[{"@language":"en","@value":"The Society of Synthetic Organic Chemistry, Japan"},{"@language":"ja","@value":"公益社団法人 有機合成化学協会"}],"prism:publicationDate":"1998","prism:volume":"56","prism:number":"5","prism:startingPage":"368","prism:endingPage":"376"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","url":[{"@id":"http://id.ndl.go.jp/bib/4470618"},{"@id":"https://ndlsearch.ndl.go.jp/books/R000000004-I4470618"}],"availableAt":"1998","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=trans-Chelating%20tridentate%20ligand","dc:title":"trans-Chelating tridentate ligand"},{"@id":"https://cir.nii.ac.jp/all?q=Cationic%20aqua%20complex","dc:title":"Cationic aqua complex"},{"@id":"https://cir.nii.ac.jp/all?q=Nickel%20(II)%20perchlorate","dc:title":"Nickel (II) perchlorate"},{"@id":"https://cir.nii.ac.jp/all?q=Transition%20metal","dc:title":"Transition metal"},{"@id":"https://cir.nii.ac.jp/all?q=Diels-Alder%20reaction","dc:title":"Diels-Alder reaction"},{"@id":"https://cir.nii.ac.jp/all?q=Nitrone%20cycloaddition","dc:title":"Nitrone cycloaddition"},{"@id":"https://cir.nii.ac.jp/all?q=Diazomethane%20cycloaddition","dc:title":"Diazomethane cycloaddition"},{"@id":"https://cir.nii.ac.jp/all?q=Chiral%20amplification","dc:title":"Chiral amplification"},{"@id":"https://cir.nii.ac.jp/all?q=Enantioselectivity","dc:title":"Enantioselectivity"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360002219104716544","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Bisoxazoline and Bioxazoline Chiral Ligands Bearing 4-Diphenylmethyl Shielding Substituents. 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