{"id":"https://openalex.org/W2018587781","doi":"https://doi.org/10.1139/v74-400","title":"Syst\u00e8mes aromatiques \u00e0 10 \u00e9lectrons \u03c0 d\u00e9riv\u00e9s de l'aza-3a-pental\u00e8ne. XI. Etude par r\u00e9sonance magn\u00e9tique nucl\u00e9aire de l'imidazo [1,2-b] pyrazole et du pyrazolo [1,5-a] benzimidazole","display_name":"Syst\u00e8mes aromatiques \u00e0 10 \u00e9lectrons \u03c0 d\u00e9riv\u00e9s de l'aza-3a-pental\u00e8ne. XI. Etude par r\u00e9sonance magn\u00e9tique nucl\u00e9aire de l'imidazo [1,2-b] pyrazole et du pyrazolo [1,5-a] benzimidazole","publication_year":1974,"publication_date":"1974-08-01","ids":{"openalex":"https://openalex.org/W2018587781","doi":"https://doi.org/10.1139/v74-400","mag":"2018587781"},"language":"en","primary_location":{"id":"doi:10.1139/v74-400","doi":"https://doi.org/10.1139/v74-400","is_oa":true,"landing_page_url":"https://doi.org/10.1139/v74-400","pdf_url":"https://cdnsciencepub.com/doi/pdf/10.1139/v74-400","source":{"id":"https://openalex.org/S9189650","display_name":"Canadian Journal of Chemistry","issn_l":"0008-4042","issn":["0008-4042","1480-3291"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","norway-1","poland-40","russia-white-list-3"],"host_organization":"https://openalex.org/P4310312929","host_organization_name":"Canadian Science Publishing","host_organization_lineage":["https://openalex.org/P4310312929"],"host_organization_lineage_names":["Canadian Science Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Canadian Journal of Chemistry","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"bronze","oa_url":"https://cdnsciencepub.com/doi/pdf/10.1139/v74-400","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5020738548","display_name":"Jos\u00e9 Elguero","orcid":"https://orcid.org/0000-0002-9213-6858","observed_orcids":["https://orcid.org/0000-0002-9213-6858"]},"institutions":[{"id":"https://openalex.org/I19894307","display_name":"Universit\u00e9 de Montpellier","ror":"https://ror.org/051escj72","country_code":"FR","type":"education","lineage":["https://openalex.org/I19894307"]},{"id":"https://openalex.org/I90267481","display_name":"Ume\u00e5 University","ror":"https://ror.org/05kb8h459","country_code":"SE","type":"education","lineage":["https://openalex.org/I90267481"]}],"countries":["FR","SE"],"is_corresponding":false,"raw_author_name":"Jos\u00e9 Elguero","raw_affiliation_strings":["Department of Organic Chemistry, University of UmeZ, Sweden","cizot@s, Unii,ersitr' des Sciences er Techrliq~res drr Longliedoc, Plilce E. Butnillon, 34060 Montpellier Cetlex, Frcitlce JAN","ision of Organic, Chet?listry I , Chemicul Center, University qf Lurztl, P.O.B. 740"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Organic Chemistry, University of UmeZ, Sweden","institution_ids":["https://openalex.org/I90267481"]},{"raw_affiliation_string":"cizot@s, Unii,ersitr' des Sciences er Techrliq~res drr Longliedoc, Plilce E. Butnillon, 34060 Montpellier Cetlex, Frcitlce JAN","institution_ids":["https://openalex.org/I19894307"]},{"raw_affiliation_string":"ision of Organic, Chet?listry I , Chemicul Center, University qf Lurztl, P.O.B. 740","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5000074354","display_name":"Alain Fruchier","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I19894307","display_name":"Universit\u00e9 de Montpellier","ror":"https://ror.org/051escj72","country_code":"FR","type":"education","lineage":["https://openalex.org/I19894307"]},{"id":"https://openalex.org/I90267481","display_name":"Ume\u00e5 University","ror":"https://ror.org/05kb8h459","country_code":"SE","type":"education","lineage":["https://openalex.org/I90267481"]}],"countries":["FR","SE"],"is_corresponding":false,"raw_author_name":"Alain Fruchier","raw_affiliation_strings":["Department of Organic Chemistry, University of UmeZ, Sweden","cizot@s, Unii,ersitr' des Sciences er Techrliq~res drr Longliedoc, Plilce E. Butnillon, 34060 Montpellier Cetlex, Frcitlce JAN","ision of Organic, Chet?listry I , Chemicul Center, University qf Lurztl, P.O.B. 740"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Organic Chemistry, University of UmeZ, Sweden","institution_ids":["https://openalex.org/I90267481"]},{"raw_affiliation_string":"cizot@s, Unii,ersitr' des Sciences er Techrliq~res drr Longliedoc, Plilce E. Butnillon, 34060 Montpellier Cetlex, Frcitlce JAN","institution_ids":["https://openalex.org/I19894307"]},{"raw_affiliation_string":"ision of Organic, Chet?listry I , Chemicul Center, University qf Lurztl, P.O.B. 740","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020198737","display_name":"Leif Knutsson","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Leif Knutsson","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5107030518","display_name":"Ren\u00e9 Lazaro","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Ren\u00e9 Lazaro","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5034077899","display_name":"Jan Sandstr\u00f6m","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I19894307","display_name":"Universit\u00e9 de Montpellier","ror":"https://ror.org/051escj72","country_code":"FR","type":"education","lineage":["https://openalex.org/I19894307"]},{"id":"https://openalex.org/I90267481","display_name":"Ume\u00e5 University","ror":"https://ror.org/05kb8h459","country_code":"SE","type":"education","lineage":["https://openalex.org/I90267481"]}],"countries":["FR","SE"],"is_corresponding":false,"raw_author_name":"Jan Sandstr\u00f6m","raw_affiliation_strings":["Department of Organic Chemistry, University of UmeZ, Sweden","cizot@s, Unii,ersitr' des Sciences er Techrliq~res drr Longliedoc, Plilce E. Butnillon, 34060 Montpellier Cetlex, Frcitlce JAN","ision of Organic, Chet?listry I , Chemicul Center, University qf Lurztl, P.O.B. 740"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Organic Chemistry, University of UmeZ, Sweden","institution_ids":["https://openalex.org/I90267481"]},{"raw_affiliation_string":"cizot@s, Unii,ersitr' des Sciences er Techrliq~res drr Longliedoc, Plilce E. Butnillon, 34060 Montpellier Cetlex, Frcitlce JAN","institution_ids":["https://openalex.org/I19894307"]},{"raw_affiliation_string":"ision of Organic, Chet?listry I , Chemicul Center, University qf Lurztl, P.O.B. 740","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":5.3229,"has_fulltext":true,"cited_by_count":27,"citation_normalized_percentile":{"value":0.95885699,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"52","issue":"15","first_page":"2744","last_page":"2750"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11298","display_name":"Synthesis and Properties of Aromatic Compounds","score":0.5121999979019165,"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/T11298","display_name":"Synthesis and Properties of Aromatic Compounds","score":0.5121999979019165,"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/T12410","display_name":"Structural and Chemical Analysis of Organic and Inorganic Compounds","score":0.3075999915599823,"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/T11809","display_name":"Advanced NMR Techniques and Applications","score":0.06539999693632126,"subfield":{"id":"https://openalex.org/subfields/1607","display_name":"Spectroscopy"},"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/aromaticity","display_name":"aromaticity","score":0.8700000047683716}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.8999600410461426},{"id":"https://openalex.org/C2993420144","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen atom","level":3,"score":0.7479163408279419},{"id":"https://openalex.org/C111233374","wikidata":"https://www.wikidata.org/wiki/Q334640","display_name":"Tautomer","level":2,"score":0.6933591961860657},{"id":"https://openalex.org/C2777682936","wikidata":"https://www.wikidata.org/wiki/Q408908","display_name":"Pyrazole","level":2,"score":0.6431084871292114},{"id":"https://openalex.org/C192386470","wikidata":"https://www.wikidata.org/wiki/Q210390","display_name":"Aromaticity","level":3,"score":0.46100494265556335},{"id":"https://openalex.org/C32891209","wikidata":"https://www.wikidata.org/wiki/Q483666","display_name":"Spectroscopy","level":2,"score":0.4592359960079193},{"id":"https://openalex.org/C58312451","wikidata":"https://www.wikidata.org/wiki/Q4817200","display_name":"Atom (system on chip)","level":2,"score":0.41341912746429443},{"id":"https://openalex.org/C71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","level":1,"score":0.3937152922153473},{"id":"https://openalex.org/C155647269","wikidata":"https://www.wikidata.org/wiki/Q243455","display_name":"Medicinal chemistry","level":1,"score":0.37359392642974854},{"id":"https://openalex.org/C2780378348","wikidata":"https://www.wikidata.org/wiki/Q25351438","display_name":"Ring (chemistry)","level":2,"score":0.3272944390773773},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.15139806270599365},{"id":"https://openalex.org/C32909587","wikidata":"https://www.wikidata.org/wiki/Q11369","display_name":"Molecule","level":2,"score":0.08215409517288208},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.07369765639305115},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.04050895571708679},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.0},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1139/v74-400","doi":"https://doi.org/10.1139/v74-400","is_oa":true,"landing_page_url":"https://doi.org/10.1139/v74-400","pdf_url":"https://cdnsciencepub.com/doi/pdf/10.1139/v74-400","source":{"id":"https://openalex.org/S9189650","display_name":"Canadian Journal of Chemistry","issn_l":"0008-4042","issn":["0008-4042","1480-3291"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","norway-1","poland-40","russia-white-list-3"],"host_organization":"https://openalex.org/P4310312929","host_organization_name":"Canadian Science Publishing","host_organization_lineage":["https://openalex.org/P4310312929"],"host_organization_lineage_names":["Canadian Science Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Canadian Journal of Chemistry","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.1139/v74-400","doi":"https://doi.org/10.1139/v74-400","is_oa":true,"landing_page_url":"https://doi.org/10.1139/v74-400","pdf_url":"https://cdnsciencepub.com/doi/pdf/10.1139/v74-400","source":{"id":"https://openalex.org/S9189650","display_name":"Canadian Journal of Chemistry","issn_l":"0008-4042","issn":["0008-4042","1480-3291"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","norway-1","poland-40","russia-white-list-3"],"host_organization":"https://openalex.org/P4310312929","host_organization_name":"Canadian Science Publishing","host_organization_lineage":["https://openalex.org/P4310312929"],"host_organization_lineage_names":["Canadian Science Publishing"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Canadian Journal of Chemistry","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2018587781.pdf","grobid_xml":"https://content.openalex.org/works/W2018587781.grobid-xml"},"referenced_works_count":1,"referenced_works":["https://openalex.org/W1927215938"],"related_works":["https://openalex.org/W2015581420","https://openalex.org/W2056313990","https://openalex.org/W2021703425","https://openalex.org/W2057430383","https://openalex.org/W1982208707","https://openalex.org/W2022315317","https://openalex.org/W2090621791","https://openalex.org/W2030697384","https://openalex.org/W1975497414","https://openalex.org/W2520915346"],"abstract_inverted_index":{"Nuclear":[0],"magnetic":[1],"resonance":[2],"spectroscopy":[3],"has":[4],"allowed":[5],"us":[6],"to":[7],"determine":[8],"the":[9,17,20,30,35,39,55,58,66,73,79,82],"annular":[10],"tautomerism":[11],"in":[12,23,37,57,78],"two":[13],"[5,5]-heteroaromatic":[14],"systems":[15],"and":[16,61],"position":[18],"of":[19,75,81],"acetyl":[21,25],"group":[22],"their":[24],"derivatives.":[26],"In":[27],"each":[28],"case,":[29],"more":[31],"stable":[32],"compound":[33],"is":[34,43],"one":[36],"which":[38],"imidazolic":[40,83],"nitrogen":[41],"atom":[42],"bearing":[44],"H":[45],"or":[46],"COCH3.":[47],"We":[48],"have":[49],"also":[50],"found":[51],"unusual":[52],"couplings":[53],"with":[54,72],"N\u2014H":[56],"N-unsubstituted":[59],"compounds":[60],"abnormally":[62],"high":[63],"barriers":[64],"for":[65],"azolides.":[67],"These":[68],"observations":[69],"agree":[70],"well":[71],"hypothesis":[74],"a":[76],"decrease":[77],"aromaticity":[80],"part.":[84]},"counts_by_year":[{"year":2015,"cited_by_count":1}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
