{"id":"https://openalex.org/W2016540274","doi":"https://doi.org/10.1021/cr60111a001","title":"Heterocyclic Nitrogen Compounds. Part IIA. Hexacyclic Compounds: Pyridine, Quinoline, and Isoquinoline.","display_name":"Heterocyclic Nitrogen Compounds. Part IIA. Hexacyclic Compounds: Pyridine, Quinoline, and Isoquinoline.","publication_year":1944,"publication_date":"1944-10-01","ids":{"openalex":"https://openalex.org/W2016540274","doi":"https://doi.org/10.1021/cr60111a001","mag":"2016540274"},"language":"en","primary_location":{"id":"doi:10.1021/cr60111a001","doi":"https://doi.org/10.1021/cr60111a001","is_oa":false,"landing_page_url":"https://doi.org/10.1021/cr60111a001","pdf_url":null,"source":{"id":"https://openalex.org/S41143188","display_name":"Chemical Reviews","issn_l":"0009-2665","issn":["0009-2665","1520-6890"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-3","ki-jl-2","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Chemical Reviews","raw_type":"journal-article"},"parent_works":[],"lineage":["https://openalex.org/W2016540274"],"child_works_count":0,"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/A5001916489","display_name":"Francis W. Bergstrom","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"F. W. Bergstrom","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5001916489"],"corresponding_institution_ids":[],"apc_list":{"value":4500,"currency":"USD","value_usd":4500},"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":332,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":98,"max":100},"biblio":{"volume":"35","issue":"2","first_page":"77","last_page":"277"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13208","display_name":"Synthesis of heterocyclic compounds","score":0.6122999787330627,"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":0.6122999787330627,"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/T13230","display_name":"Synthesis and Reactivity of Heterocycles","score":0.2287999987602234,"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/T13971","display_name":"Isoquinoline Alkaloid Synthesis","score":0.1062999963760376,"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/nitrogen-heterocyclic-compounds","display_name":"heterocyclic nitrogen compounds","score":0.9490000009536743},{"id":"https://openalex.org/keywords/pyridine","display_name":"pyridine","score":0.9940000176429749},{"id":"https://openalex.org/keywords/quinoline","display_name":"quinoline","score":1.0},{"id":"https://openalex.org/keywords/isoquinoline","display_name":"isoquinoline","score":0.9750000238418579},{"id":"https://openalex.org/keywords/nitrogen-containing-heterocycles","display_name":"nitrogen heterocycles","score":0.6909999847412109}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.984300971031189},{"id":"https://openalex.org/C2776923262","wikidata":"https://www.wikidata.org/wiki/Q412316","display_name":"Isoquinoline","level":2,"score":0.9715204238891602},{"id":"https://openalex.org/C2776309666","wikidata":"https://www.wikidata.org/wiki/Q408384","display_name":"Quinoline","level":2,"score":0.9234747886657715},{"id":"https://openalex.org/C2779485729","wikidata":"https://www.wikidata.org/wiki/Q210385","display_name":"Pyridine","level":2,"score":0.756894588470459},{"id":"https://openalex.org/C537208039","wikidata":"https://www.wikidata.org/wiki/Q627","display_name":"Nitrogen","level":2,"score":0.5037803053855896},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.4325895309448242},{"id":"https://openalex.org/C21951064","wikidata":"https://www.wikidata.org/wiki/Q899212","display_name":"Combinatorial chemistry","level":1,"score":0.3708212971687317},{"id":"https://openalex.org/C71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","level":1,"score":0.34604108333587646}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1021/cr60111a001","doi":"https://doi.org/10.1021/cr60111a001","is_oa":false,"landing_page_url":"https://doi.org/10.1021/cr60111a001","pdf_url":null,"source":{"id":"https://openalex.org/S41143188","display_name":"Chemical Reviews","issn_l":"0009-2665","issn":["0009-2665","1520-6890"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-b","doyens","jufo-3","ki-jl-2","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310320006","host_organization_name":"American Chemical Society","host_organization_lineage":["https://openalex.org/P4310320006"],"host_organization_lineage_names":["American Chemical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Chemical Reviews","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":0,"referenced_works":[],"related_works":["https://openalex.org/W2052715896","https://openalex.org/W2003057395","https://openalex.org/W2989219031","https://openalex.org/W586828192","https://openalex.org/W1967858833","https://openalex.org/W2014254816","https://openalex.org/W2323373716","https://openalex.org/W2051189857","https://openalex.org/W389275191","https://openalex.org/W2773141874"],"abstract_inverted_index":null,"counts_by_year":[{"year":2026,"cited_by_count":7},{"year":2025,"cited_by_count":12},{"year":2024,"cited_by_count":7},{"year":2023,"cited_by_count":8},{"year":2022,"cited_by_count":20},{"year":2021,"cited_by_count":17},{"year":2020,"cited_by_count":21},{"year":2019,"cited_by_count":17},{"year":2018,"cited_by_count":15},{"year":2017,"cited_by_count":16},{"year":2016,"cited_by_count":13},{"year":2015,"cited_by_count":17},{"year":2014,"cited_by_count":26},{"year":2013,"cited_by_count":22},{"year":2012,"cited_by_count":14}],"updated_date":"2026-11-14T11:04:58.165337","created_date":"2016-06-24T00:00:00"}
