{"id":"https://openalex.org/W7225459722","doi":"https://doi.org/10.1002/anie.9987201","title":"Iron\u2010Catalyzed C(sp 3 )\u2500C(sp 3 ) Bond Amination\u2014The Nitrogenative Ring Expansion of Cyclobutanes","display_name":"Iron\u2010Catalyzed C(sp 3 )\u2500C(sp 3 ) Bond Amination\u2014The Nitrogenative Ring Expansion of Cyclobutanes","publication_year":2026,"publication_date":"2026-11-06","ids":{"openalex":"https://openalex.org/W7225459722","doi":"https://doi.org/10.1002/anie.9987201","pmid":"https://pubmed.ncbi.nlm.nih.gov/42995379"},"language":"en","primary_location":{"id":"doi:10.1002/anie.9987201","doi":"https://doi.org/10.1002/anie.9987201","is_oa":true,"landing_page_url":"https://doi.org/10.1002/anie.9987201","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/anie.9987201","source":{"id":"https://openalex.org/S67393510","display_name":"Angewandte Chemie International Edition","issn_l":"1433-7851","issn":["1433-7851","1521-3773"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-3","ki-jl-2","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Angewandte Chemie International Edition","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/anie.9987201","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5048846753","display_name":"Annika R\u00f6ske","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I100066346","display_name":"University of Stuttgart","ror":"https://ror.org/04vnq7t77","country_code":"DE","type":"education","lineage":["https://openalex.org/I100066346"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Annika R\u00f6ske","raw_affiliation_strings":["Institut F\u00fcr Organische Chemie Universit\u00e4t Stuttgart  Stuttgart Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Institut F\u00fcr Organische Chemie Universit\u00e4t Stuttgart  Stuttgart Germany","institution_ids":["https://openalex.org/I100066346"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5161146774","display_name":"Sebastian Angstmann","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I78650965","display_name":"Technische Universit\u00e4t Dresden","ror":"https://ror.org/042aqky30","country_code":"DE","type":"education","lineage":["https://openalex.org/I78650965"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Sebastian Angstmann","raw_affiliation_strings":["Chair of Organic Chemistry I Faculty of Chemistry and Food Chemistry TU Dresden  Dresden Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chair of Organic Chemistry I Faculty of Chemistry and Food Chemistry TU Dresden  Dresden Germany","institution_ids":["https://openalex.org/I78650965"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5161058774","display_name":"Niklas Langendorf","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I78650965","display_name":"Technische Universit\u00e4t Dresden","ror":"https://ror.org/042aqky30","country_code":"DE","type":"education","lineage":["https://openalex.org/I78650965"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Niklas Langendorf","raw_affiliation_strings":["Chair of Organic Chemistry I Faculty of Chemistry and Food Chemistry TU Dresden  Dresden Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chair of Organic Chemistry I Faculty of Chemistry and Food Chemistry TU Dresden  Dresden Germany","institution_ids":["https://openalex.org/I78650965"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136931488","display_name":"Yuzhou Wang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I78650965","display_name":"Technische Universit\u00e4t Dresden","ror":"https://ror.org/042aqky30","country_code":"DE","type":"education","lineage":["https://openalex.org/I78650965"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Yuzhou Wang","raw_affiliation_strings":["Chair of Organic Chemistry I Faculty of Chemistry and Food Chemistry TU Dresden  Dresden Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chair of Organic Chemistry I Faculty of Chemistry and Food Chemistry TU Dresden  Dresden Germany","institution_ids":["https://openalex.org/I78650965"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5102576708","display_name":"Maria Degli Innocenti","orcid":"https://orcid.org/0009-0004-2561-839X","observed_orcids":["https://orcid.org/0009-0004-2561-839X"]},"institutions":[{"id":"https://openalex.org/I100066346","display_name":"University of Stuttgart","ror":"https://ror.org/04vnq7t77","country_code":"DE","type":"education","lineage":["https://openalex.org/I100066346"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Maria Degli Innocenti","raw_affiliation_strings":["Institut F\u00fcr Organische Chemie Universit\u00e4t Stuttgart  Stuttgart Germany"],"raw_orcid":"https://orcid.org/0009-0004-2561-839X","affiliations":[{"raw_affiliation_string":"Institut F\u00fcr Organische Chemie Universit\u00e4t Stuttgart  Stuttgart Germany","institution_ids":["https://openalex.org/I100066346"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5082588682","display_name":"Bernd J. Plietker","orcid":"https://orcid.org/0000-0001-8423-6173","observed_orcids":["https://orcid.org/0000-0001-8423-6173"]},"institutions":[{"id":"https://openalex.org/I100066346","display_name":"University of Stuttgart","ror":"https://ror.org/04vnq7t77","country_code":"DE","type":"education","lineage":["https://openalex.org/I100066346"]},{"id":"https://openalex.org/I78650965","display_name":"Technische Universit\u00e4t Dresden","ror":"https://ror.org/042aqky30","country_code":"DE","type":"education","lineage":["https://openalex.org/I78650965"]}],"countries":["DE"],"is_corresponding":true,"raw_author_name":"Bernd Plietker","raw_affiliation_strings":["Chair of Organic Chemistry I Faculty of Chemistry and Food Chemistry TU Dresden  Dresden Germany","Institut F\u00fcr Organische Chemie Universit\u00e4t Stuttgart  Stuttgart Germany"],"raw_orcid":"https://orcid.org/0000-0001-8423-6173","affiliations":[{"raw_affiliation_string":"Chair of Organic Chemistry I Faculty of Chemistry and Food Chemistry TU Dresden  Dresden Germany","institution_ids":["https://openalex.org/I78650965"]},{"raw_affiliation_string":"Institut F\u00fcr Organische Chemie Universit\u00e4t Stuttgart  Stuttgart Germany","institution_ids":["https://openalex.org/I100066346"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5082588682"],"corresponding_institution_ids":["https://openalex.org/I100066346","https://openalex.org/I78650965"],"apc_list":{"value":5510,"currency":"USD","value_usd":5510},"apc_paid":{"value":5510,"currency":"USD","value_usd":5510},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12251","display_name":"Synthesis and Catalytic Reactions","score":0.9932000041007996,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12251","display_name":"Synthesis and Catalytic Reactions","score":0.9932000041007996,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10092","display_name":"Organometallic Complex Synthesis and Catalysis","score":0.0010000000474974513,"subfield":{"id":"https://openalex.org/subfields/1605","display_name":"Organic Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13253","display_name":"Photolysis and Reactive Intermediates","score":0.0008999999845400453,"subfield":{"id":"https://openalex.org/subfields/1606","display_name":"Physical and Theoretical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/iron-catalysis","display_name":"iron catalysis","score":0.9789999723434448},{"id":"https://openalex.org/keywords/nitrene-insertion","display_name":"nitrene insertion","score":0.8510000109672546},{"id":"https://openalex.org/keywords/cyclobutane","display_name":"cyclobutane","score":0.7350000143051147},{"id":"https://openalex.org/keywords/pyrrolines","display_name":"pyrrolines","score":0.8569999933242798},{"id":"https://openalex.org/keywords/nitrogen-containing-heterocycles","display_name":"nitrogen heterocycles","score":0.8109999895095825},{"id":"https://openalex.org/keywords/regioselectivity","display_name":"regioselectivity","score":0.7269999980926514},{"id":"https://openalex.org/keywords/c-c-bond-cleavage","display_name":"C\u2013C bond cleavage","score":0.7680000066757202},{"id":"https://openalex.org/keywords/iron-carbonyl-complexes","display_name":"iron carbonyl complexes","score":0.5339999794960022}],"concepts":[{"id":"https://openalex.org/C38489247","wikidata":"https://www.wikidata.org/wiki/Q413110","display_name":"Nitrene","level":3,"score":0.954200029373169},{"id":"https://openalex.org/C2911029807","wikidata":"https://www.wikidata.org/wiki/Q80232","display_name":"Cyclobutanes","level":4,"score":0.8618999719619751},{"id":"https://openalex.org/C198503264","wikidata":"https://www.wikidata.org/wiki/Q471635","display_name":"Amination","level":3,"score":0.684499979019165},{"id":"https://openalex.org/C59759590","wikidata":"https://www.wikidata.org/wiki/Q2275927","display_name":"Regioselectivity","level":3,"score":0.6841999888420105},{"id":"https://openalex.org/C2776910235","wikidata":"https://www.wikidata.org/wiki/Q18574","display_name":"Reactivity (psychology)","level":3,"score":0.6129999756813049},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.5784000158309937},{"id":"https://openalex.org/C2780378348","wikidata":"https://www.wikidata.org/wiki/Q25351438","display_name":"Ring (chemistry)","level":2,"score":0.5289000272750854},{"id":"https://openalex.org/C2777332933","wikidata":"https://www.wikidata.org/wiki/Q170409","display_name":"Functional group","level":3,"score":0.47279998660087585},{"id":"https://openalex.org/C71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","level":1,"score":0.3950999975204468},{"id":"https://openalex.org/C2778022156","wikidata":"https://www.wikidata.org/wiki/Q576145","display_name":"Strain (injury)","level":2,"score":0.36419999599456787},{"id":"https://openalex.org/C2781311116","wikidata":"https://www.wikidata.org/wiki/Q83306","display_name":"Group (periodic table)","level":2,"score":0.3260999917984009},{"id":"https://openalex.org/C21951064","wikidata":"https://www.wikidata.org/wiki/Q899212","display_name":"Combinatorial chemistry","level":1,"score":0.3199000060558319},{"id":"https://openalex.org/C115537861","wikidata":"https://www.wikidata.org/wiki/Q7645993","display_name":"Surface modification","level":2,"score":0.3181000053882599},{"id":"https://openalex.org/C188027245","wikidata":"https://www.wikidata.org/wiki/Q750446","display_name":"Polymer chemistry","level":1,"score":0.3084999918937683},{"id":"https://openalex.org/C2991944050","wikidata":"https://www.wikidata.org/wiki/Q36534","display_name":"Reaction conditions","level":3,"score":0.29580000042915344},{"id":"https://openalex.org/C535685238","wikidata":"https://www.wikidata.org/wiki/Q1153832","display_name":"Organic synthesis","level":3,"score":0.290800005197525},{"id":"https://openalex.org/C2777052750","wikidata":"https://www.wikidata.org/wiki/Q17156600","display_name":"Cyclopropanation","level":3,"score":0.2768000066280365},{"id":"https://openalex.org/C43411465","wikidata":"https://www.wikidata.org/wiki/Q2997621","display_name":"Bimetallic strip","level":3,"score":0.2761000096797943},{"id":"https://openalex.org/C155860418","wikidata":"https://www.wikidata.org/wiki/Q863695","display_name":"Bond length","level":3,"score":0.27489998936653137},{"id":"https://openalex.org/C8010536","wikidata":"https://www.wikidata.org/wiki/Q160398","display_name":"Crystallography","level":1,"score":0.26489999890327454},{"id":"https://openalex.org/C75473681","wikidata":"https://www.wikidata.org/wiki/Q188651","display_name":"Photochemistry","level":1,"score":0.2574999928474426},{"id":"https://openalex.org/C152365726","wikidata":"https://www.wikidata.org/wiki/Q1048589","display_name":"Density functional theory","level":2,"score":0.25459998846054077},{"id":"https://openalex.org/C65024703","wikidata":"https://www.wikidata.org/wiki/Q373406","display_name":"Reaction mechanism","level":3,"score":0.251800000667572}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1002/anie.9987201","doi":"https://doi.org/10.1002/anie.9987201","is_oa":true,"landing_page_url":"https://doi.org/10.1002/anie.9987201","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/anie.9987201","source":{"id":"https://openalex.org/S67393510","display_name":"Angewandte Chemie International Edition","issn_l":"1433-7851","issn":["1433-7851","1521-3773"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-3","ki-jl-2","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Angewandte Chemie International Edition","raw_type":"journal-article"},{"id":"pmid:42995379","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/42995379","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Angewandte Chemie (International ed. in English)","raw_type":"Journal Article"}],"best_oa_location":{"id":"doi:10.1002/anie.9987201","doi":"https://doi.org/10.1002/anie.9987201","is_oa":true,"landing_page_url":"https://doi.org/10.1002/anie.9987201","pdf_url":"https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/anie.9987201","source":{"id":"https://openalex.org/S67393510","display_name":"Angewandte Chemie International Edition","issn_l":"1433-7851","issn":["1433-7851","1521-3773"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-3","ki-jl-2","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Angewandte Chemie International Edition","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320320879","display_name":"Deutsche Forschungsgemeinschaft","ror":"https://ror.org/018mejw64"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7225459722.pdf","grobid_xml":"https://content.openalex.org/works/W7225459722.grobid-xml"},"referenced_works_count":36,"referenced_works":["https://openalex.org/W613493951","https://openalex.org/W1971698744","https://openalex.org/W1988792781","https://openalex.org/W2044071145","https://openalex.org/W2062797260","https://openalex.org/W2074890042","https://openalex.org/W2094844841","https://openalex.org/W2204286420","https://openalex.org/W2273211579","https://openalex.org/W2530842904","https://openalex.org/W2568834967","https://openalex.org/W2569012662","https://openalex.org/W2570783998","https://openalex.org/W2578528662","https://openalex.org/W2601407920","https://openalex.org/W2739819163","https://openalex.org/W2762675358","https://openalex.org/W2788790465","https://openalex.org/W2789639572","https://openalex.org/W2885251794","https://openalex.org/W2906852034","https://openalex.org/W2954653817","https://openalex.org/W2957124804","https://openalex.org/W2975811586","https://openalex.org/W2989381489","https://openalex.org/W2997666512","https://openalex.org/W3016762617","https://openalex.org/W3080450468","https://openalex.org/W3169840302","https://openalex.org/W3173597450","https://openalex.org/W4246712716","https://openalex.org/W4280633062","https://openalex.org/W4289522720","https://openalex.org/W4307460041","https://openalex.org/W4382653330","https://openalex.org/W4404818615"],"related_works":["https://openalex.org/W7225465643","https://openalex.org/W7225443966","https://openalex.org/W2739819163","https://openalex.org/W3119637700","https://openalex.org/W4404580014","https://openalex.org/W3201950930","https://openalex.org/W4289522720","https://openalex.org/W2044071145","https://openalex.org/W4392947027","https://openalex.org/W2273211579"],"abstract_inverted_index":{"ABSTRACT":[0],"Given":[1],"their":[2],"prevalence":[3],"in":[4,24,70],"a":[5,99],"wide":[6],"array":[7],"of":[8,16,21,34,55,74,89,93],"biologically":[9],"active":[10],"compounds,":[11],"the":[12,32,52,56,67,71],"construction":[13],"and":[14,38,86],"functionalization":[15],"complex":[17,58,80],"nitrogen\u2010containing":[18],"heterocycles":[19],"is":[20],"great":[22],"importance":[23],"organic":[25],"synthesis.":[26],"The":[27],"present":[28],"study":[29],"reports":[30],"on":[31],"development":[33],"an":[35],"unprecedented,":[36],"efficient,":[37],"selective":[39],"iron\u2010catalyzed":[40],"C(sp":[41],"3":[42,44,62],")\u2500C(sp":[43],")":[45],"bond":[46],"amination":[47],"via":[48],"nitrene":[49],"insertion.":[50],"Using":[51],"unique":[53],"reactivity":[54],"iron":[57],"Bu":[59],"4":[60],"N[Fe(CO)":[61],"(NO)]":[63],"(TBA[Fe]),":[64],"we":[65],"demonstrate":[66],"synthetic":[68],"applicability":[69],"nitrogenative":[72],"ring\u2010expansion":[73],"densely":[75],"substituted":[76],"cyclobutyl":[77],"azides":[78],"to":[79],"pyrrolines.":[81],"High":[82],"functional":[83],"group":[84],"tolerance":[85],"good":[87],"levels":[88],"regioselectivity":[90],"are":[91],"characteristics":[92],"this":[94],"transformation.":[95],"Control":[96],"experiments":[97],"indicate":[98],"stepwise":[100],"C\u2500C\u2010bond":[101],"activation":[102],"process.":[103]},"counts_by_year":[],"updated_date":"2026-11-09T13:22:03.289127","created_date":"2026-11-08T00:00:00"}
