{"id":"https://openalex.org/W2065764882","doi":"https://doi.org/10.1002/jhet.5570160413","title":"A new synthesis of benzothiopyrano[4,3,2\u2010de]quinazolines","display_name":"A new synthesis of benzothiopyrano[4,3,2\u2010de]quinazolines","publication_year":1979,"publication_date":"1979-06-01","ids":{"openalex":"https://openalex.org/W2065764882","doi":"https://doi.org/10.1002/jhet.5570160413","mag":"2065764882"},"language":"en","primary_location":{"id":"doi:10.1002/jhet.5570160413","doi":"https://doi.org/10.1002/jhet.5570160413","is_oa":false,"landing_page_url":"https://doi.org/10.1002/jhet.5570160413","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/A5113624643","display_name":"Richard A. Hollins","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I41870","display_name":"Military Institute of Engineering","ror":"https://ror.org/03veakt65","country_code":"BR","type":"education","lineage":["https://openalex.org/I41870"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Richard A. Hollins","raw_affiliation_strings":["Instituto Militar de Engenharia, Praia Vermelha, Rio de Janeiro ZC-82, RJ, Brasil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto Militar de Engenharia, Praia Vermelha, Rio de Janeiro ZC-82, RJ, Brasil","institution_ids":["https://openalex.org/I41870"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077039279","display_name":"Maria T. L. Lima","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I41870","display_name":"Military Institute of Engineering","ror":"https://ror.org/03veakt65","country_code":"BR","type":"education","lineage":["https://openalex.org/I41870"]}],"countries":["BR"],"is_corresponding":false,"raw_author_name":"Maria T. L. Lima","raw_affiliation_strings":["Instituto Militar de Engenharia, Praia Vermelha, Rio de Janeiro ZC-82, RJ, Brasil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto Militar de Engenharia, Praia Vermelha, Rio de Janeiro ZC-82, RJ, Brasil","institution_ids":["https://openalex.org/I41870"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I41870"],"apc_list":{"value":3400,"currency":"USD","value_usd":3400},"apc_paid":null,"fwci":0.5781,"has_fulltext":false,"cited_by_count":8,"citation_normalized_percentile":{"value":0.54882478,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"16","issue":"4","first_page":"679","last_page":"680"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12318","display_name":"Quinazolinone synthesis and applications","score":0.9907000064849854,"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/T12318","display_name":"Quinazolinone synthesis and applications","score":0.9907000064849854,"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/T13208","display_name":"Synthesis of heterocyclic compounds","score":0.0052999998442828655,"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":0.0015999999595806003,"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/heterocycle-synthesis","display_name":"heterocyclic synthesis","score":0.7770000100135803},{"id":"https://openalex.org/keywords/fused-quinazolines","display_name":"fused quinazolines","score":0.6439999938011169},{"id":"https://openalex.org/keywords/thioxanthone-derivatives","display_name":"thioxanthone derivatives","score":0.6039999723434448},{"id":"https://openalex.org/keywords/heterocyclic-ring-fusion","display_name":"heterocyclic ring fusion","score":0.34599998593330383}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.976494550704956},{"id":"https://openalex.org/C71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","level":1,"score":0.4483741521835327},{"id":"https://openalex.org/C21951064","wikidata":"https://www.wikidata.org/wiki/Q899212","display_name":"Combinatorial chemistry","level":1,"score":0.4161585867404938},{"id":"https://openalex.org/C155647269","wikidata":"https://www.wikidata.org/wiki/Q243455","display_name":"Medicinal chemistry","level":1,"score":0.3322697877883911}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/jhet.5570160413","doi":"https://doi.org/10.1002/jhet.5570160413","is_oa":false,"landing_page_url":"https://doi.org/10.1002/jhet.5570160413","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":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":4,"referenced_works":["https://openalex.org/W1999835620","https://openalex.org/W2058230010","https://openalex.org/W2085484218","https://openalex.org/W2333336151"],"related_works":["https://openalex.org/W2953140887","https://openalex.org/W4231709731","https://openalex.org/W2044148730","https://openalex.org/W2958239748","https://openalex.org/W2949415021","https://openalex.org/W2069956028","https://openalex.org/W1985271815","https://openalex.org/W2950250523","https://openalex.org/W4254587334","https://openalex.org/W2200701350"],"abstract_inverted_index":{"Abstract":[0],"The":[1],"synthesis":[2],"of":[3],"benzothiopyrano[4,3,2\u2010de]quinazolines":[4],"(1a\u2010c)":[5],"from":[6],"1\u2010chloro\u20104\u2010methylthioxanthone":[7],"is":[8],"described.":[9]},"counts_by_year":[{"year":2017,"cited_by_count":1}],"updated_date":"2026-08-21T09:56:20.448147","created_date":"2016-06-24T00:00:00"}
