{"id":"https://openalex.org/W2021703425","doi":"https://doi.org/10.1002/jhet.5570010108","title":"Aromaticity in heterocyclic systems. II. the application of N.M.R. in a study of the synthesis and structure of certain lmidazo[1,2\u2010c]pyrimidines and related pyrrolo[2,3\u2010d]pyrimidines","display_name":"Aromaticity in heterocyclic systems. II. the application of N.M.R. in a study of the synthesis and structure of certain lmidazo[1,2\u2010c]pyrimidines and related pyrrolo[2,3\u2010d]pyrimidines","publication_year":1964,"publication_date":"1964-02-01","ids":{"openalex":"https://openalex.org/W2021703425","doi":"https://doi.org/10.1002/jhet.5570010108","mag":"2021703425"},"language":"en","primary_location":{"id":"doi:10.1002/jhet.5570010108","doi":"https://doi.org/10.1002/jhet.5570010108","is_oa":false,"landing_page_url":"https://doi.org/10.1002/jhet.5570010108","pdf_url":null,"source":{"id":"https://openalex.org/S46134040","display_name":"Journal of Heterocyclic Chemistry","issn_l":"0022-152X","issn":["0022-152X","1943-5193"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-40","russia-white-list-2","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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Heterocyclic Chemistry","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5014592587","display_name":"C. Wayne Noell","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I55732556","display_name":"Arizona State University","ror":"https://ror.org/03efmqc40","country_code":"US","type":"education","lineage":["https://openalex.org/I55732556"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"C. Wayne Noell","raw_affiliation_strings":["Department of Chemistry, Arizona State University, Tempe, Arizona"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry, Arizona State University, Tempe, Arizona","institution_ids":["https://openalex.org/I55732556"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109087511","display_name":"Roland K. Robins","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I55732556","display_name":"Arizona State University","ror":"https://ror.org/03efmqc40","country_code":"US","type":"education","lineage":["https://openalex.org/I55732556"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Roland K. Robins","raw_affiliation_strings":["Department of Chemistry, Arizona State University, Tempe, Arizona"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry, Arizona State University, Tempe, Arizona","institution_ids":["https://openalex.org/I55732556"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I55732556"],"apc_list":{"value":3400,"currency":"USD","value_usd":3400},"apc_paid":null,"fwci":2.3825,"has_fulltext":false,"cited_by_count":44,"citation_normalized_percentile":{"value":0.8612169,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":"1","issue":"1","first_page":"34","last_page":"41"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13208","display_name":"Synthesis of heterocyclic compounds","score":0.5419999957084656,"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/T13208","display_name":"Synthesis of heterocyclic compounds","score":0.5419999957084656,"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":0.1525000035762787,"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/T14099","display_name":"Synthesis and Characterization of Heterocyclic Compounds","score":0.06539999693632126,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/aromaticity","display_name":"aromaticity","score":0.8899999856948853},{"id":"https://openalex.org/keywords/imidazo-1-2-c-pyrimidines","display_name":"imidazo[1,2-c]pyrimidines","score":0.968999981880188},{"id":"https://openalex.org/keywords/pyrrolo-2-3-d-pyrimidine","display_name":"pyrrolo[2,3-d]pyrimidine","score":1.0},{"id":"https://openalex.org/keywords/heterocycle-synthesis","display_name":"heterocyclic synthesis","score":0.8069999814033508},{"id":"https://openalex.org/keywords/cyclization","display_name":"cyclization","score":0.6629999876022339},{"id":"https://openalex.org/keywords/deuterium-nmr","display_name":"deuterium NMR","score":0.6439999938011169},{"id":"https://openalex.org/keywords/uv-absorption","display_name":"UV absorption","score":0.824999988079071},{"id":"https://openalex.org/keywords/structure-determination","display_name":"structure determination","score":0.3959999978542328}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.9656122922897339},{"id":"https://openalex.org/C2779321679","wikidata":"https://www.wikidata.org/wiki/Q207722","display_name":"Pyrimidine","level":2,"score":0.8893672227859497},{"id":"https://openalex.org/C192386470","wikidata":"https://www.wikidata.org/wiki/Q210390","display_name":"Aromaticity","level":3,"score":0.7376318573951721},{"id":"https://openalex.org/C2780378348","wikidata":"https://www.wikidata.org/wiki/Q25351438","display_name":"Ring (chemistry)","level":2,"score":0.6675257682800293},{"id":"https://openalex.org/C111771559","wikidata":"https://www.wikidata.org/wiki/Q66295","display_name":"Derivative (finance)","level":2,"score":0.579951822757721},{"id":"https://openalex.org/C58364064","wikidata":"https://www.wikidata.org/wiki/Q102296","display_name":"Deuterium","level":2,"score":0.5309816002845764},{"id":"https://openalex.org/C32909587","wikidata":"https://www.wikidata.org/wiki/Q11369","display_name":"Molecule","level":2,"score":0.4996299743652344},{"id":"https://openalex.org/C24961977","wikidata":"https://www.wikidata.org/wiki/Q225972","display_name":"Bicyclic molecule","level":2,"score":0.48677611351013184},{"id":"https://openalex.org/C2776798109","wikidata":"https://www.wikidata.org/wiki/Q11391","display_name":"Ultraviolet","level":2,"score":0.4622172713279724},{"id":"https://openalex.org/C145148216","wikidata":"https://www.wikidata.org/wiki/Q36496","display_name":"Ion","level":2,"score":0.4340590238571167},{"id":"https://openalex.org/C71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","level":1,"score":0.4248258173465729},{"id":"https://openalex.org/C155647269","wikidata":"https://www.wikidata.org/wiki/Q243455","display_name":"Medicinal chemistry","level":1,"score":0.3500283658504486},{"id":"https://openalex.org/C147597530","wikidata":"https://www.wikidata.org/wiki/Q369472","display_name":"Computational chemistry","level":1,"score":0.33769333362579346},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.15534114837646484},{"id":"https://openalex.org/C106159729","wikidata":"https://www.wikidata.org/wiki/Q2294553","display_name":"Financial economics","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/jhet.5570010108","doi":"https://doi.org/10.1002/jhet.5570010108","is_oa":false,"landing_page_url":"https://doi.org/10.1002/jhet.5570010108","pdf_url":null,"source":{"id":"https://openalex.org/S46134040","display_name":"Journal of Heterocyclic Chemistry","issn_l":"0022-152X","issn":["0022-152X","1943-5193"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-40","russia-white-list-2","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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Heterocyclic Chemistry","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":6,"referenced_works":["https://openalex.org/W2051844448","https://openalex.org/W2091253361","https://openalex.org/W2123719023","https://openalex.org/W2315502085","https://openalex.org/W2326954627","https://openalex.org/W2327386862"],"related_works":["https://openalex.org/W2038973841","https://openalex.org/W2018587781","https://openalex.org/W2051844448","https://openalex.org/W2952545139","https://openalex.org/W2085633538","https://openalex.org/W4241778349","https://openalex.org/W2057430383","https://openalex.org/W1970376793","https://openalex.org/W1988356361","https://openalex.org/W2053312079"],"abstract_inverted_index":{"Abstract":[0],"Nuclear":[1],"magnetic":[2],"resonance":[3],"spectra":[4,45],"have":[5,27],"been":[6,29],"utilized":[7],"in":[8,49,60,66],"several":[9,74],"instances":[10],"to":[11,16,31,78],"distinguish":[12],"between":[13],"ring":[14],"closure":[15],"a":[17],"derivative":[18],"of":[19,80],"imidazo[1,":[20],"2\u2010c]pyrimidine":[21],"or":[22],"pyrrolo[2,":[23],"3\u2010d]pyrimidine.":[24],"N.m.r.":[25],"studies":[26,48],"also":[28],"employed":[30],"select":[32],"Vc":[33],"as":[34],"the":[35,53,61,67],"most":[36],"probable":[37],"structure":[38],"for":[39],"5\u2010methylthio\u20102,":[40],"7\u2010imidazo[1,":[41],"2\u2010c]pyrimidinedione.":[42],"Ultraviolet":[43],"absorption":[44],"and":[46,82],"n.m.r.":[47],"deuterium":[50],"oxide":[51],"support":[52],"conclusion":[54],"that":[55],"there":[56],"is":[57],"more":[58],"aromaticity":[59],"anion":[62],"V":[63],"g":[64],"than":[65],"neutral":[68],"molecule.":[69],"The":[70],"present":[71],"work":[72],"describes":[73],"new":[75],"synthetic":[76],"routes":[77],"derivatives":[79],"imidazo[1,2\u2010c]pyrimidine":[81],"pyrrolo[2,3\u2010d]pyrimidine.":[83]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2014,"cited_by_count":1}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}