{"id":"https://openalex.org/W2004907296","doi":"https://doi.org/10.1002/jlac.19687120116","title":"Cyclobutenderivate der Pyrrolreihe, II1) \u00dcber Vierring\u2010trimethin\u2010Farbstoffe","display_name":"Cyclobutenderivate der Pyrrolreihe, II1) \u00dcber Vierring\u2010trimethin\u2010Farbstoffe","publication_year":1968,"publication_date":"1968-04-29","ids":{"openalex":"https://openalex.org/W2004907296","doi":"https://doi.org/10.1002/jlac.19687120116","mag":"2004907296"},"language":"de","primary_location":{"id":"doi:10.1002/jlac.19687120116","doi":"https://doi.org/10.1002/jlac.19687120116","is_oa":false,"landing_page_url":"https://doi.org/10.1002/jlac.19687120116","pdf_url":null,"source":{"id":"https://openalex.org/S4210225590","display_name":"Justus Liebig s Annalen der Chemie","issn_l":"0075-4617","issn":["0075-4617"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":"Justus Liebigs Annalen der Chemie","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/A5112445812","display_name":"Alfred Treibs","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Alfred Treibs","raw_affiliation_strings":["Organisch-Chemischen Institut der Technischen Hochschule Mu\u0308nchen","Organisch-Chemischen Institut der Technischen Hochschule, M\u00fcnchen"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Organisch-Chemischen Institut der Technischen Hochschule Mu\u0308nchen","institution_ids":["https://openalex.org/I62916508"]},{"raw_affiliation_string":"Organisch-Chemischen Institut der Technischen Hochschule, M\u00fcnchen","institution_ids":["https://openalex.org/I62916508"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5110009474","display_name":"Karl Jacob","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I62916508","display_name":"Technical University of Munich","ror":"https://ror.org/02kkvpp62","country_code":"DE","type":"education","lineage":["https://openalex.org/I62916508"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Karl Jacob","raw_affiliation_strings":["Organisch-Chemischen Institut der Technischen Hochschule Mu\u0308nchen","Organisch-Chemischen Institut der Technischen Hochschule, M\u00fcnchen"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Organisch-Chemischen Institut der Technischen Hochschule Mu\u0308nchen","institution_ids":["https://openalex.org/I62916508"]},{"raw_affiliation_string":"Organisch-Chemischen Institut der Technischen Hochschule, M\u00fcnchen","institution_ids":["https://openalex.org/I62916508"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I62916508"],"apc_list":null,"apc_paid":null,"fwci":3.4947,"has_fulltext":false,"cited_by_count":47,"citation_normalized_percentile":{"value":0.93048922,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"712","issue":"1","first_page":"123","last_page":"137"},"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":0.4147999882698059,"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":0.4147999882698059,"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/T13859","display_name":"Organic Chemistry Synthesis Methods","score":0.17149999737739563,"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/T12562","display_name":"Synthesis and Characterization of Pyrroles","score":0.13009999692440033,"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/pyrrole-derivatives","display_name":"pyrrole derivatives","score":0.6480000019073486},{"id":"https://openalex.org/keywords/cyclobutenediones","display_name":"cyclobutenediones","score":0.6970000267028809},{"id":"https://openalex.org/keywords/esters","display_name":"esters","score":0.5479999780654907},{"id":"https://openalex.org/keywords/quinone-dyes","display_name":"quinone dyes","score":0.5130000114440918},{"id":"https://openalex.org/keywords/reaction-mechanism","display_name":"reaction mechanism","score":0.7070000171661377},{"id":"https://openalex.org/keywords/dye-synthesis","display_name":"dye synthesis","score":0.5289999842643738}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.5833774209022522},{"id":"https://openalex.org/C107394435","wikidata":"https://www.wikidata.org/wiki/Q1300585","display_name":"Quadrat","level":3,"score":0.4485432803630829},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.05687633156776428},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.017921119928359985},{"id":"https://openalex.org/C2778091200","wikidata":"https://www.wikidata.org/wiki/Q42295","display_name":"Shrub","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/jlac.19687120116","doi":"https://doi.org/10.1002/jlac.19687120116","is_oa":false,"landing_page_url":"https://doi.org/10.1002/jlac.19687120116","pdf_url":null,"source":{"id":"https://openalex.org/S4210225590","display_name":"Justus Liebig s Annalen der Chemie","issn_l":"0075-4617","issn":["0075-4617"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"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":"Justus Liebigs Annalen der Chemie","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":15,"referenced_works":["https://openalex.org/W1974269274","https://openalex.org/W1993816846","https://openalex.org/W2000730845","https://openalex.org/W2006966016","https://openalex.org/W2018487740","https://openalex.org/W2027920047","https://openalex.org/W2041840514","https://openalex.org/W2046880041","https://openalex.org/W2057764269","https://openalex.org/W2073980140","https://openalex.org/W2115471975","https://openalex.org/W2151062096","https://openalex.org/W2160023423","https://openalex.org/W2167558899","https://openalex.org/W2323860313"],"related_works":["https://openalex.org/W2077587552","https://openalex.org/W2073980140","https://openalex.org/W2131969549","https://openalex.org/W2065605931","https://openalex.org/W4256133690","https://openalex.org/W2090638536","https://openalex.org/W3004444224","https://openalex.org/W2607048086","https://openalex.org/W2952517250","https://openalex.org/W2086244567"],"abstract_inverted_index":{"Abstract":[0],"Monopyrrolylhydroxy\u2010cyclobutendione\u2010(3.4)":[1],"(2)":[2],"und":[3,24],"ihre":[4],"Ester":[5],"k\u00f6nnen":[6],"durch":[7],"Umsetzung":[8],"von":[9],"Pyrrolen":[10],"mit":[11],"Quadrats\u00e4uredi\u00e4thylester":[12],"erhalten":[13],"werden.":[14],"Daraus":[15],"ergibt":[16],"sich":[17],"eine":[18,25],"Best\u00e4tigung":[19],"des":[20],"Bildungsmechanismus":[21],"der":[22],"symmetrischen":[23],"Methode":[26],"zur":[27],"Synthese":[28],"unsymmetrischer":[29],"Quadrats\u00e4ure\u2010Farbstoffe.":[30]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":2},{"year":2015,"cited_by_count":2},{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":4},{"year":2012,"cited_by_count":2}],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2016-06-24T00:00:00"}