{"@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/1360574094436724736.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1002/ejoc.201402364"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fejoc.201402364"}},{"identifier":{"@type":"URI","@value":"https://chemistry-europe.onlinelibrary.wiley.com/doi/pdf/10.1002/ejoc.201402364"}}],"dc:title":[{"@value":"Synthesis of Substituted Imidazolidines: Base‐Stable Precursors of 4,5‐Dihydro‐1<i>H</i>‐imidazol‐3‐ium Salts and <i>N</i>‐Heterocyclic Carbenes"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:title>Abstract</jats:title><jats:p>The present work establishes a new synthetic route that leads to substituted azolium salts. The base stable 1‐(4‐bromo‐2,6‐diisopropylphenyl)‐3‐(2,6‐diisopropylphenyl)imidazolidine and 1,3‐bis(4‐bromo‐2,6‐diisopropylphenyl)imidazolidine were synthesized and the 4‐Br substituents converted into various functional groups through Br/Li exchange or Pd‐catalyzed cross‐coupling reactions (Suzuki, Sonogashira, and vinylation). The substituted imidazolidines were oxidized, by using chloranil or <jats:italic>N</jats:italic>‐bromosuccinimide, to provide the respective azolium salts, which are convenient precursors to <jats:italic>N</jats:italic>‐heterocyclic carbenes.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380574094436724737","@type":"Researcher","foaf:name":[{"@value":"Meike Egert"}]},{"@id":"https://cir.nii.ac.jp/crid/1380574094436724738","@type":"Researcher","foaf:name":[{"@value":"Sebastian Walther"}]},{"@id":"https://cir.nii.ac.jp/crid/1380574094436724736","@type":"Researcher","foaf:name":[{"@value":"Herbert Plenio"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"1434193X"},{"@type":"EISSN","@value":"10990690"}],"prism:publicationName":[{"@value":"European Journal of Organic Chemistry"}],"dc:publisher":[{"@value":"Wiley"}],"prism:publicationDate":"2014-06-03","prism:volume":"2014","prism:number":"20","prism:startingPage":"4362","prism:endingPage":"4369"},"reviewed":"false","dc:rights":["http://onlinelibrary.wiley.com/termsAndConditions#vor"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fejoc.201402364"},{"@id":"https://chemistry-europe.onlinelibrary.wiley.com/doi/pdf/10.1002/ejoc.201402364"}],"createdAt":"2014-06-03","modifiedAt":"2025-10-15","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360283691585250432","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"A Bicyclic N-Heterocyclic Carbene as a Bulky but Accessible Ligand: Application to the Copper-Catalyzed Borylations of Aryl Halides"}]},{"@id":"https://cir.nii.ac.jp/crid/1360857593806826496","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Synthesis of Imidazolinium Salts by Pd/C‐Catalyzed Dehydrogenation of Imidazolidines"}]}],"dataSourceIdentifier":[{"@type":"CROSSREF","@value":"10.1002/ejoc.201402364"},{"@type":"CROSSREF","@value":"10.1002/ejoc.202100914_references_DOI_CQ9A8vvKCFRjo1IXG3OPu8aEYGO"},{"@type":"CROSSREF","@value":"10.1021/acs.joc.5b01721_references_DOI_CQ9A8vvKCFRjo1IXG3OPu8aEYGO"}]}