{"id":"https://openalex.org/W1496727853","doi":"https://doi.org/10.1016/0040-4020(61)80073-2","title":"Alkaloid studies\u2014XXX","display_name":"Alkaloid studies\u2014XXX","publication_year":1961,"publication_date":"1961-01-01","ids":{"openalex":"https://openalex.org/W1496727853","doi":"https://doi.org/10.1016/0040-4020(61)80073-2","mag":"1496727853"},"language":"en","primary_location":{"id":"doi:10.1016/0040-4020(61)80073-2","doi":"https://doi.org/10.1016/0040-4020(61)80073-2","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0040-4020(61)80073-2","pdf_url":null,"source":{"id":"https://openalex.org/S205754296","display_name":"Tetrahedron","issn_l":"0040-4020","issn":["0040-4020","1464-5416"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Tetrahedron","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/A5070576867","display_name":"Carl Djerassi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210107052","display_name":"Instituto Nacional de Tecnologia","ror":"https://ror.org/012ang229","country_code":"BR","type":"government","lineage":["https://openalex.org/I4210107052","https://openalex.org/I4210151455"]},{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["BR","US"],"is_corresponding":false,"raw_author_name":"Carl Djerassi","raw_affiliation_strings":["[Department of Chemistry, Stanford University, Stanford, California, USA]","Instituto Nacional de Tecnologia, Rio de Janeiro, Brazil","Instituto de Quimica Agricola, Rio de Janeiro, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"[Department of Chemistry, Stanford University, Stanford, California, USA]","institution_ids":["https://openalex.org/I97018004"]},{"raw_affiliation_string":"Instituto Nacional de Tecnologia, Rio de Janeiro, Brazil","institution_ids":["https://openalex.org/I4210107052"]},{"raw_affiliation_string":"Instituto de Quimica Agricola, Rio de Janeiro, Brazil","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5009141621","display_name":"A. A. P. G. Archer","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210107052","display_name":"Instituto Nacional de Tecnologia","ror":"https://ror.org/012ang229","country_code":"BR","type":"government","lineage":["https://openalex.org/I4210107052","https://openalex.org/I4210151455"]},{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["BR","US"],"is_corresponding":false,"raw_author_name":"A.A.P.G. Archer","raw_affiliation_strings":["[Department of Chemistry, Stanford University, Stanford, California, USA]","Instituto Nacional de Tecnologia, Rio de Janeiro, Brazil","Instituto de Quimica Agricola, Rio de Janeiro, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"[Department of Chemistry, Stanford University, Stanford, California, USA]","institution_ids":["https://openalex.org/I97018004"]},{"raw_affiliation_string":"Instituto Nacional de Tecnologia, Rio de Janeiro, Brazil","institution_ids":["https://openalex.org/I4210107052"]},{"raw_affiliation_string":"Instituto de Quimica Agricola, Rio de Janeiro, Brazil","institution_ids":[]}]},{"author_position":"middle","author":{"id":null,"display_name":"T. George","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210107052","display_name":"Instituto Nacional de Tecnologia","ror":"https://ror.org/012ang229","country_code":"BR","type":"government","lineage":["https://openalex.org/I4210107052","https://openalex.org/I4210151455"]},{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["BR","US"],"is_corresponding":false,"raw_author_name":"T. George","raw_affiliation_strings":["[Department of Chemistry, Stanford University, Stanford, California, USA]","Instituto Nacional de Tecnologia, Rio de Janeiro, Brazil","Instituto de Quimica Agricola, Rio de Janeiro, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"[Department of Chemistry, Stanford University, Stanford, California, USA]","institution_ids":["https://openalex.org/I97018004"]},{"raw_affiliation_string":"Instituto Nacional de Tecnologia, Rio de Janeiro, Brazil","institution_ids":["https://openalex.org/I4210107052"]},{"raw_affiliation_string":"Instituto de Quimica Agricola, Rio de Janeiro, Brazil","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5088063784","display_name":"B. Gilbert","orcid":"https://orcid.org/0000-0002-4947-6822","observed_orcids":["https://orcid.org/0000-0002-4947-6822"]},"institutions":[{"id":"https://openalex.org/I4210107052","display_name":"Instituto Nacional de Tecnologia","ror":"https://ror.org/012ang229","country_code":"BR","type":"government","lineage":["https://openalex.org/I4210107052","https://openalex.org/I4210151455"]},{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["BR","US"],"is_corresponding":false,"raw_author_name":"B. Gilbert","raw_affiliation_strings":["Department of Chemistry, Stanford University, Stanford, California USA","Instituto Nacional de Tecnologia, Rio de Janeiro, Brazil","Instituto de Quimica Agricola, Rio de Janeiro, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry, Stanford University, Stanford, California USA","institution_ids":["https://openalex.org/I97018004"]},{"raw_affiliation_string":"Instituto Nacional de Tecnologia, Rio de Janeiro, Brazil","institution_ids":["https://openalex.org/I4210107052"]},{"raw_affiliation_string":"Instituto de Quimica Agricola, Rio de Janeiro, Brazil","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008992238","display_name":"L. D. Antonaccio","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210107052","display_name":"Instituto Nacional de Tecnologia","ror":"https://ror.org/012ang229","country_code":"BR","type":"government","lineage":["https://openalex.org/I4210107052","https://openalex.org/I4210151455"]},{"id":"https://openalex.org/I97018004","display_name":"Stanford University","ror":"https://ror.org/00f54p054","country_code":"US","type":"education","lineage":["https://openalex.org/I97018004"]}],"countries":["BR","US"],"is_corresponding":false,"raw_author_name":"L.D. Antonaccio","raw_affiliation_strings":["Department of Chemistry, Stanford University, Stanford, California USA","Instituto Nacional de Tecnologia, Rio de Janeiro, Brazil","Instituto de Quimica Agricola, Rio de Janeiro, Brazil"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry, Stanford University, Stanford, California USA","institution_ids":["https://openalex.org/I97018004"]},{"raw_affiliation_string":"Instituto Nacional de Tecnologia, Rio de Janeiro, Brazil","institution_ids":["https://openalex.org/I4210107052"]},{"raw_affiliation_string":"Instituto de Quimica Agricola, Rio de Janeiro, Brazil","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":2,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3680,"currency":"USD","value_usd":3680},"apc_paid":null,"fwci":3.4831,"has_fulltext":false,"cited_by_count":23,"citation_normalized_percentile":{"value":0.89760479,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"16","issue":"1-4","first_page":"212","last_page":"223"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12649","display_name":"Alkaloids: synthesis and pharmacology","score":0.8734999895095825,"subfield":{"id":"https://openalex.org/subfields/3004","display_name":"Pharmacology"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T12649","display_name":"Alkaloids: synthesis and pharmacology","score":0.8734999895095825,"subfield":{"id":"https://openalex.org/subfields/3004","display_name":"Pharmacology"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T13188","display_name":"Synthesis and bioactivity of alkaloids","score":0.051600001752376556,"subfield":{"id":"https://openalex.org/subfields/1312","display_name":"Molecular Biology"},"field":{"id":"https://openalex.org/fields/13","display_name":"Biochemistry, Genetics and Molecular Biology"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T13649","display_name":"Advanced Synthetic Organic Chemistry","score":0.026100000366568565,"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/aspidosperma-alkaloids","display_name":"Aspidosperma alkaloids","score":0.9900000095367432},{"id":"https://openalex.org/keywords/aspidospermine","display_name":"aspidospermine","score":0.8629999756813049},{"id":"https://openalex.org/keywords/alkaloid-isolation","display_name":"alkaloid isolation","score":0.6179999709129333},{"id":"https://openalex.org/keywords/structure-elucidation","display_name":"structure elucidation","score":0.9670000076293945},{"id":"https://openalex.org/keywords/alkaloid-biosynthesis","display_name":"alkaloid biosynthesis","score":0.875}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.9639509320259094},{"id":"https://openalex.org/C486523","wikidata":"https://www.wikidata.org/wiki/Q494483","display_name":"Enantiomer","level":2,"score":0.7522356510162354},{"id":"https://openalex.org/C71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","level":1,"score":0.6940311789512634},{"id":"https://openalex.org/C2781338088","wikidata":"https://www.wikidata.org/wiki/Q903495","display_name":"Residue (chemistry)","level":2,"score":0.6599112749099731},{"id":"https://openalex.org/C2777667214","wikidata":"https://www.wikidata.org/wiki/Q70702","display_name":"Alkaloid","level":2,"score":0.6478195190429688},{"id":"https://openalex.org/C2776055020","wikidata":"https://www.wikidata.org/wiki/Q2593057","display_name":"Aspidosperma","level":3,"score":0.5677165985107422},{"id":"https://openalex.org/C2776673659","wikidata":"https://www.wikidata.org/wiki/Q47512","display_name":"Acetic acid","level":2,"score":0.5325542688369751},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.29256194829940796},{"id":"https://openalex.org/C192527728","wikidata":"https://www.wikidata.org/wiki/Q1465700","display_name":"Indole test","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0040-4020(61)80073-2","doi":"https://doi.org/10.1016/0040-4020(61)80073-2","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0040-4020(61)80073-2","pdf_url":null,"source":{"id":"https://openalex.org/S205754296","display_name":"Tetrahedron","issn_l":"0040-4020","issn":["0040-4020","1464-5416"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-70","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320990","host_organization_name":"Elsevier BV","host_organization_lineage":["https://openalex.org/P4310320990"],"host_organization_lineage_names":["Elsevier BV"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Tetrahedron","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":31,"referenced_works":["https://openalex.org/W1559044004","https://openalex.org/W1591945860","https://openalex.org/W1964681976","https://openalex.org/W1976187151","https://openalex.org/W1987126722","https://openalex.org/W1988754096","https://openalex.org/W1994110568","https://openalex.org/W1995857611","https://openalex.org/W2002963561","https://openalex.org/W2006624370","https://openalex.org/W2007071989","https://openalex.org/W2013589192","https://openalex.org/W2022966512","https://openalex.org/W2033538452","https://openalex.org/W2036600419","https://openalex.org/W2039372275","https://openalex.org/W2040775538","https://openalex.org/W2043076076","https://openalex.org/W2053321520","https://openalex.org/W2063472145","https://openalex.org/W2072541536","https://openalex.org/W2074476877","https://openalex.org/W2087533887","https://openalex.org/W2103223522","https://openalex.org/W2316022516","https://openalex.org/W2319090361","https://openalex.org/W2324011075","https://openalex.org/W2332348088","https://openalex.org/W2401037902","https://openalex.org/W2418608980","https://openalex.org/W4235268081"],"related_works":["https://openalex.org/W2013480803","https://openalex.org/W1994110568","https://openalex.org/W2006624370","https://openalex.org/W2013589192","https://openalex.org/W1973670159","https://openalex.org/W2104954649","https://openalex.org/W2169713234","https://openalex.org/W2002963561","https://openalex.org/W1978175799","https://openalex.org/W2129840434"],"abstract_inverted_index":null,"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2014,"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"}
