{"id":"https://openalex.org/W2000876855","doi":"https://doi.org/10.1021/np9905057","title":"Germacranolides and a New Type of Guaianolide from Acanthospermum hispidum","display_name":"Germacranolides and a New Type of Guaianolide from Acanthospermum hispidum","publication_year":2000,"publication_date":"2000-08-11","ids":{"openalex":"https://openalex.org/W2000876855","doi":"https://doi.org/10.1021/np9905057","mag":"2000876855","pmid":"https://pubmed.ncbi.nlm.nih.gov/11076545"},"language":"en","primary_location":{"id":"doi:10.1021/np9905057","doi":"https://doi.org/10.1021/np9905057","is_oa":false,"landing_page_url":"https://doi.org/10.1021/np9905057","pdf_url":null,"source":{"id":"https://openalex.org/S166799026","display_name":"Journal of Natural Products","issn_l":"0163-3864","issn":["0163-3864","1520-6025"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-2","poland-100","russia-white-list-1"],"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":"Journal of Natural Products","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"http://hdl.handle.net/11336/53406","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5032307128","display_name":"Elena Cartagena","orcid":"https://orcid.org/0000-0002-8148-0282","observed_orcids":["https://orcid.org/0000-0002-8148-0282"]},"institutions":[{"id":"https://openalex.org/I127019355","display_name":"National University of Tucum\u00e1n","ror":"https://ror.org/04chzd762","country_code":"AR","type":"education","lineage":["https://openalex.org/I127019355"]},{"id":"https://openalex.org/I59361560","display_name":"Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/059sp8j34","country_code":"MX","type":"education","lineage":["https://openalex.org/I59361560"]},{"id":"https://openalex.org/I68368234","display_name":"Centro de Investigaci\u00f3n y de Estudios Avanzados del Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/009eqmr18","country_code":"MX","type":"facility","lineage":["https://openalex.org/I59361560","https://openalex.org/I68368234"]}],"countries":["AR","MX"],"is_corresponding":false,"raw_author_name":"Elena Cartagena","raw_affiliation_strings":["Instituto de Qu\u00edmica Org\u00e1nica, Facultad de Bioqu\u00edmica, Qu\u00edmica y Farmacia, Universidad Nacional de Tucum\u00e1n, Ayacucho 491, S. M. de Tucum\u00e1n 4000, Argentina, and Departamento de Qu\u00edmica, Centro de Investigaci\u00f3n y de Estudios Avanzados, Instituto Polit\u00e9cnico Nacional, Apartado 14-740, M\u00e9xico, D. F. 07000, M\u00e9xico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto de Qu\u00edmica Org\u00e1nica, Facultad de Bioqu\u00edmica, Qu\u00edmica y Farmacia, Universidad Nacional de Tucum\u00e1n, Ayacucho 491, S. M. de Tucum\u00e1n 4000, Argentina, and Departamento de Qu\u00edmica, Centro de Investigaci\u00f3n y de Estudios Avanzados, Instituto Polit\u00e9cnico Nacional, Apartado 14-740, M\u00e9xico, D. F. 07000, M\u00e9xico","institution_ids":["https://openalex.org/I127019355","https://openalex.org/I59361560","https://openalex.org/I68368234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5034144111","display_name":"Alicia Bard\u00f3n","orcid":"https://orcid.org/0000-0003-2918-9751","observed_orcids":["https://orcid.org/0000-0003-2918-9751"]},"institutions":[{"id":"https://openalex.org/I127019355","display_name":"National University of Tucum\u00e1n","ror":"https://ror.org/04chzd762","country_code":"AR","type":"education","lineage":["https://openalex.org/I127019355"]},{"id":"https://openalex.org/I59361560","display_name":"Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/059sp8j34","country_code":"MX","type":"education","lineage":["https://openalex.org/I59361560"]},{"id":"https://openalex.org/I68368234","display_name":"Centro de Investigaci\u00f3n y de Estudios Avanzados del Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/009eqmr18","country_code":"MX","type":"facility","lineage":["https://openalex.org/I59361560","https://openalex.org/I68368234"]}],"countries":["AR","MX"],"is_corresponding":false,"raw_author_name":"Alicia Bard\u00f3n","raw_affiliation_strings":["Instituto de Qu\u00edmica Org\u00e1nica, Facultad de Bioqu\u00edmica, Qu\u00edmica y Farmacia, Universidad Nacional de Tucum\u00e1n, Ayacucho 491, S. M. de Tucum\u00e1n 4000, Argentina, and Departamento de Qu\u00edmica, Centro de Investigaci\u00f3n y de Estudios Avanzados, Instituto Polit\u00e9cnico Nacional, Apartado 14-740, M\u00e9xico, D. F. 07000, M\u00e9xico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto de Qu\u00edmica Org\u00e1nica, Facultad de Bioqu\u00edmica, Qu\u00edmica y Farmacia, Universidad Nacional de Tucum\u00e1n, Ayacucho 491, S. M. de Tucum\u00e1n 4000, Argentina, and Departamento de Qu\u00edmica, Centro de Investigaci\u00f3n y de Estudios Avanzados, Instituto Polit\u00e9cnico Nacional, Apartado 14-740, M\u00e9xico, D. F. 07000, M\u00e9xico","institution_ids":["https://openalex.org/I127019355","https://openalex.org/I59361560","https://openalex.org/I68368234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5003158924","display_name":"C\u00e9sar A.N. Catal\u00e1n","orcid":"https://orcid.org/0000-0001-7409-5303","observed_orcids":["https://orcid.org/0000-0001-7409-5303"]},"institutions":[{"id":"https://openalex.org/I127019355","display_name":"National University of Tucum\u00e1n","ror":"https://ror.org/04chzd762","country_code":"AR","type":"education","lineage":["https://openalex.org/I127019355"]},{"id":"https://openalex.org/I59361560","display_name":"Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/059sp8j34","country_code":"MX","type":"education","lineage":["https://openalex.org/I59361560"]},{"id":"https://openalex.org/I68368234","display_name":"Centro de Investigaci\u00f3n y de Estudios Avanzados del Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/009eqmr18","country_code":"MX","type":"facility","lineage":["https://openalex.org/I59361560","https://openalex.org/I68368234"]}],"countries":["AR","MX"],"is_corresponding":false,"raw_author_name":"C\u00e9sar A. N. Catal\u00e1n","raw_affiliation_strings":["Instituto de Qu\u00edmica Org\u00e1nica, Facultad de Bioqu\u00edmica, Qu\u00edmica y Farmacia, Universidad Nacional de Tucum\u00e1n, Ayacucho 491, S. M. de Tucum\u00e1n 4000, Argentina, and Departamento de Qu\u00edmica, Centro de Investigaci\u00f3n y de Estudios Avanzados, Instituto Polit\u00e9cnico Nacional, Apartado 14-740, M\u00e9xico, D. F. 07000, M\u00e9xico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto de Qu\u00edmica Org\u00e1nica, Facultad de Bioqu\u00edmica, Qu\u00edmica y Farmacia, Universidad Nacional de Tucum\u00e1n, Ayacucho 491, S. M. de Tucum\u00e1n 4000, Argentina, and Departamento de Qu\u00edmica, Centro de Investigaci\u00f3n y de Estudios Avanzados, Instituto Polit\u00e9cnico Nacional, Apartado 14-740, M\u00e9xico, D. F. 07000, M\u00e9xico","institution_ids":["https://openalex.org/I127019355","https://openalex.org/I59361560","https://openalex.org/I68368234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5020968799","display_name":"Zaida N. J. de Hern\u00e1ndez","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I127019355","display_name":"National University of Tucum\u00e1n","ror":"https://ror.org/04chzd762","country_code":"AR","type":"education","lineage":["https://openalex.org/I127019355"]},{"id":"https://openalex.org/I59361560","display_name":"Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/059sp8j34","country_code":"MX","type":"education","lineage":["https://openalex.org/I59361560"]},{"id":"https://openalex.org/I68368234","display_name":"Centro de Investigaci\u00f3n y de Estudios Avanzados del Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/009eqmr18","country_code":"MX","type":"facility","lineage":["https://openalex.org/I59361560","https://openalex.org/I68368234"]}],"countries":["AR","MX"],"is_corresponding":false,"raw_author_name":"Zaida N. J. de Hern\u00e1ndez","raw_affiliation_strings":["Instituto de Qu\u00edmica Org\u00e1nica, Facultad de Bioqu\u00edmica, Qu\u00edmica y Farmacia, Universidad Nacional de Tucum\u00e1n, Ayacucho 491, S. M. de Tucum\u00e1n 4000, Argentina, and Departamento de Qu\u00edmica, Centro de Investigaci\u00f3n y de Estudios Avanzados, Instituto Polit\u00e9cnico Nacional, Apartado 14-740, M\u00e9xico, D. F. 07000, M\u00e9xico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto de Qu\u00edmica Org\u00e1nica, Facultad de Bioqu\u00edmica, Qu\u00edmica y Farmacia, Universidad Nacional de Tucum\u00e1n, Ayacucho 491, S. M. de Tucum\u00e1n 4000, Argentina, and Departamento de Qu\u00edmica, Centro de Investigaci\u00f3n y de Estudios Avanzados, Instituto Polit\u00e9cnico Nacional, Apartado 14-740, M\u00e9xico, D. F. 07000, M\u00e9xico","institution_ids":["https://openalex.org/I127019355","https://openalex.org/I59361560","https://openalex.org/I68368234"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006863341","display_name":"Luis Ricardo Hern\u00e1ndez","orcid":"https://orcid.org/0000-0002-3877-1244","observed_orcids":["https://orcid.org/0000-0002-3877-1244"]},"institutions":[{"id":"https://openalex.org/I127019355","display_name":"National University of Tucum\u00e1n","ror":"https://ror.org/04chzd762","country_code":"AR","type":"education","lineage":["https://openalex.org/I127019355"]},{"id":"https://openalex.org/I59361560","display_name":"Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/059sp8j34","country_code":"MX","type":"education","lineage":["https://openalex.org/I59361560"]},{"id":"https://openalex.org/I68368234","display_name":"Centro de Investigaci\u00f3n y de Estudios Avanzados del Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/009eqmr18","country_code":"MX","type":"facility","lineage":["https://openalex.org/I59361560","https://openalex.org/I68368234"]}],"countries":["AR","MX"],"is_corresponding":false,"raw_author_name":"Luis R. Hern\u00e1ndez","raw_affiliation_strings":["Instituto de Qu\u00edmica Org\u00e1nica, Facultad de Bioqu\u00edmica, Qu\u00edmica y Farmacia, Universidad Nacional de Tucum\u00e1n, Ayacucho 491, S. M. de Tucum\u00e1n 4000, Argentina, and Departamento de Qu\u00edmica, Centro de Investigaci\u00f3n y de Estudios Avanzados, Instituto Polit\u00e9cnico Nacional, Apartado 14-740, M\u00e9xico, D. F. 07000, M\u00e9xico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto de Qu\u00edmica Org\u00e1nica, Facultad de Bioqu\u00edmica, Qu\u00edmica y Farmacia, Universidad Nacional de Tucum\u00e1n, Ayacucho 491, S. M. de Tucum\u00e1n 4000, Argentina, and Departamento de Qu\u00edmica, Centro de Investigaci\u00f3n y de Estudios Avanzados, Instituto Polit\u00e9cnico Nacional, Apartado 14-740, M\u00e9xico, D. F. 07000, M\u00e9xico","institution_ids":["https://openalex.org/I127019355","https://openalex.org/I59361560","https://openalex.org/I68368234"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5067490486","display_name":"Pedro Joseph\u2010Nathan","orcid":"https://orcid.org/0000-0003-3347-3990","observed_orcids":["https://orcid.org/0000-0003-3347-3990"]},"institutions":[{"id":"https://openalex.org/I127019355","display_name":"National University of Tucum\u00e1n","ror":"https://ror.org/04chzd762","country_code":"AR","type":"education","lineage":["https://openalex.org/I127019355"]},{"id":"https://openalex.org/I59361560","display_name":"Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/059sp8j34","country_code":"MX","type":"education","lineage":["https://openalex.org/I59361560"]},{"id":"https://openalex.org/I68368234","display_name":"Centro de Investigaci\u00f3n y de Estudios Avanzados del Instituto Polit\u00e9cnico Nacional","ror":"https://ror.org/009eqmr18","country_code":"MX","type":"facility","lineage":["https://openalex.org/I59361560","https://openalex.org/I68368234"]}],"countries":["AR","MX"],"is_corresponding":false,"raw_author_name":"Pedro Joseph-Nathan","raw_affiliation_strings":["Instituto de Qu\u00edmica Org\u00e1nica, Facultad de Bioqu\u00edmica, Qu\u00edmica y Farmacia, Universidad Nacional de Tucum\u00e1n, Ayacucho 491, S. M. de Tucum\u00e1n 4000, Argentina, and Departamento de Qu\u00edmica, Centro de Investigaci\u00f3n y de Estudios Avanzados, Instituto Polit\u00e9cnico Nacional, Apartado 14-740, M\u00e9xico, D. F. 07000, M\u00e9xico"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Instituto de Qu\u00edmica Org\u00e1nica, Facultad de Bioqu\u00edmica, Qu\u00edmica y Farmacia, Universidad Nacional de Tucum\u00e1n, Ayacucho 491, S. M. de Tucum\u00e1n 4000, Argentina, and Departamento de Qu\u00edmica, Centro de Investigaci\u00f3n y de Estudios Avanzados, Instituto Polit\u00e9cnico Nacional, Apartado 14-740, M\u00e9xico, D. F. 07000, M\u00e9xico","institution_ids":["https://openalex.org/I127019355","https://openalex.org/I59361560","https://openalex.org/I68368234"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":4500,"currency":"USD","value_usd":4500},"apc_paid":null,"fwci":0.8352,"has_fulltext":false,"cited_by_count":29,"citation_normalized_percentile":{"value":0.63859816,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":87,"max":97},"biblio":{"volume":"63","issue":"10","first_page":"1323","last_page":"1328"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11547","display_name":"Sesquiterpenes and Asteraceae Studies","score":1.0,"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/T11547","display_name":"Sesquiterpenes and Asteraceae Studies","score":1.0,"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/T12530","display_name":"Bioactive Natural Diterpenoids Research","score":0.0,"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/T12685","display_name":"Phytochemical compounds biological activities","score":0.0,"subfield":{"id":"https://openalex.org/subfields/3002","display_name":"Drug Discovery"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/acanthospermum-hispidum","display_name":"Acanthospermum hispidum","score":0.9959999918937683},{"id":"https://openalex.org/keywords/sesquiterpene-lactones","display_name":"sesquiterpene lactones","score":0.9589999914169312},{"id":"https://openalex.org/keywords/guaianolides","display_name":"guaianolides","score":0.9010000228881836},{"id":"https://openalex.org/keywords/germacranolides","display_name":"germacranolides","score":0.9729999899864197},{"id":"https://openalex.org/keywords/melampolides","display_name":"melampolides","score":0.9869999885559082},{"id":"https://openalex.org/keywords/new-natural-products","display_name":"new natural products","score":0.6570000052452087},{"id":"https://openalex.org/keywords/oxygen-bridge","display_name":"oxygen bridge","score":0.656000018119812},{"id":"https://openalex.org/keywords/biosynthesis","display_name":"biosynthesis","score":0.5590000152587891},{"id":"https://openalex.org/keywords/conformational-analysis","display_name":"conformational analysis","score":0.6629999876022339},{"id":"https://openalex.org/keywords/structure-elucidation","display_name":"structure elucidation","score":0.9559999704360962}],"concepts":[{"id":"https://openalex.org/C2776211264","wikidata":"https://www.wikidata.org/wiki/Q80218","display_name":"Sesquiterpene","level":2,"score":0.715947151184082},{"id":"https://openalex.org/C71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","level":1,"score":0.6006903648376465},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.5925560593605042},{"id":"https://openalex.org/C2778073338","wikidata":"https://www.wikidata.org/wiki/Q5550966","display_name":"Germacranolide","level":3,"score":0.5143688917160034}],"mesh":[{"descriptor_ui":"D001118","descriptor_name":"Argentina","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D004952","descriptor_name":"Esters","qualifier_ui":"Q000302","qualifier_name":"isolation & purification","is_major_topic":true},{"descriptor_ui":"D004952","descriptor_name":"Esters","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D005663","descriptor_name":"Furans","qualifier_ui":"Q000302","qualifier_name":"isolation & purification","is_major_topic":true},{"descriptor_ui":"D005663","descriptor_name":"Furans","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D007783","descriptor_name":"Lactones","qualifier_ui":"Q000302","qualifier_name":"isolation & purification","is_major_topic":true},{"descriptor_ui":"D007783","descriptor_name":"Lactones","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D009682","descriptor_name":"Magnetic Resonance Spectroscopy","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019684","descriptor_name":"Magnoliopsida","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":true}],"locations_count":3,"locations":[{"id":"doi:10.1021/np9905057","doi":"https://doi.org/10.1021/np9905057","is_oa":false,"landing_page_url":"https://doi.org/10.1021/np9905057","pdf_url":null,"source":{"id":"https://openalex.org/S166799026","display_name":"Journal of Natural Products","issn_l":"0163-3864","issn":["0163-3864","1520-6025"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","doyens","jufo-1","ki-jl-1","medline","norway-2","poland-100","russia-white-list-1"],"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":"Journal of Natural Products","raw_type":"journal-article"},{"id":"pmid:11076545","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/11076545","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of natural products","raw_type":"Journal Article"},{"id":"pmh:oai:ri.conicet.gov.ar:11336/53406","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/11336/53406","pdf_url":null,"source":{"id":"https://openalex.org/S4306402455","display_name":"CONICET Digital (CONICET)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210148385","host_organization_name":"Biomedicine Research Institute of Buenos Aires - CONICET - Partner Institute of the Max Planck Society","host_organization_lineage":["https://openalex.org/I4210148385"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"}],"best_oa_location":{"id":"pmh:oai:ri.conicet.gov.ar:11336/53406","doi":null,"is_oa":true,"landing_page_url":"http://hdl.handle.net/11336/53406","pdf_url":null,"source":{"id":"https://openalex.org/S4306402455","display_name":"CONICET Digital (CONICET)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4210148385","host_organization_name":"Biomedicine Research Institute of Buenos Aires - CONICET - Partner Institute of the Max Planck Society","host_organization_lineage":["https://openalex.org/I4210148385"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-nc-sa","license_id":"https://openalex.org/licenses/cc-by-nc-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"","raw_type":"info:eu-repo/semantics/article"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G7378882120","display_name":null,"funder_award_id":"CONICET","funder_id":"https://openalex.org/F4320334832","funder_display_name":"Agencia Nacional de Promoci\u00f3n Cient\u00edfica y Tecnol\u00f3gica"}],"funders":[{"id":"https://openalex.org/F4320321594","display_name":"Consejo Nacional de Investigaciones Cient\u00edficas y T\u00e9cnicas","ror":"https://ror.org/03cqe8w59"},{"id":"https://openalex.org/F4320325124","display_name":"CYTED Ciencia y Tecnolog\u00eda para el Desarrollo","ror":"https://ror.org/03myqtf56"},{"id":"https://openalex.org/F4320334832","display_name":"Agencia Nacional de Promoci\u00f3n Cient\u00edfica y Tecnol\u00f3gica","ror":"https://ror.org/03stxzb56"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1519056577","https://openalex.org/W1526242994","https://openalex.org/W1969822970","https://openalex.org/W2008499614","https://openalex.org/W2065226966","https://openalex.org/W2099942059","https://openalex.org/W2122654894","https://openalex.org/W2242788071","https://openalex.org/W2474362922"],"related_works":["https://openalex.org/W1981241893","https://openalex.org/W2008944350","https://openalex.org/W1526082785","https://openalex.org/W2031710942","https://openalex.org/W2950304020","https://openalex.org/W1982545899","https://openalex.org/W2095401388","https://openalex.org/W2019677959","https://openalex.org/W2087256169","https://openalex.org/W2041642104"],"abstract_inverted_index":{"The":[0,61],"aerial":[1],"parts":[2],"of":[3,7],"an":[4],"Argentinian":[5],"collection":[6],"Acanthospermum":[8],"hispidum":[9],"afforded":[10],"26":[11],"sesquiterpene":[12],"lactones,":[13],"including":[14],"the":[15,53,57],"two":[16,38],"guaianolides":[17],"(1":[18],"and":[19,28,35,37,42,46],"2)":[20],"having":[21,56],"a":[22],"novel":[23],"oxygen":[24],"bridge":[25],"between":[26],"C-4":[27],"C-14,":[29],"three":[30],"new":[31,39],"cis,cis-germacranolides":[32],"(4,":[33],"7,":[34],"8),":[36],"melampolides":[40],"(25":[41],"26).":[43],"Guaianolides":[44],"1":[45],"2":[47],"seem":[48],"to":[49],"derive":[50],"biosynthetically":[51],"from":[52],"germacranolide":[54],"27":[55],"(1)D(14,":[58],"15)D(5)":[59],"conformation.":[60],"structures":[62],"were":[63],"elucidated":[64],"using":[65],"extensive":[66],"spectroscopic":[67],"analysis.":[68]},"counts_by_year":[{"year":2024,"cited_by_count":3},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2019,"cited_by_count":2},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":3},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-03T10:50:19.383937","created_date":"2016-06-24T00:00:00"}