{"id":"https://openalex.org/W2071918123","doi":"https://doi.org/10.1002/jlac.197519751208","title":"Synthese von C\u20103\u2010verzweigten Steroiden der Cardenolidreihe","display_name":"Synthese von C\u20103\u2010verzweigten Steroiden der Cardenolidreihe","publication_year":1975,"publication_date":"1975-01-01","ids":{"openalex":"https://openalex.org/W2071918123","doi":"https://doi.org/10.1002/jlac.197519751208","mag":"2071918123"},"language":"de","primary_location":{"id":"doi:10.1002/jlac.197519751208","doi":"https://doi.org/10.1002/jlac.197519751208","is_oa":false,"landing_page_url":"https://doi.org/10.1002/jlac.197519751208","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","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/A5110275403","display_name":"Hans Peter Albrecht","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Hans P. Albrecht","raw_affiliation_strings":["Forschungsinstitut der Knoll AG. Naturstoffchemie, 6700 Ludwigshafen"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Forschungsinstitut der Knoll AG. Naturstoffchemie, 6700 Ludwigshafen","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5008762081","display_name":"Bernhard Kunz","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Bernhard Kunz","raw_affiliation_strings":["Forschungsinstitut der Knoll AG. Naturstoffchemie, 6700 Ludwigshafen"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Forschungsinstitut der Knoll AG. Naturstoffchemie, 6700 Ludwigshafen","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5110275403"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.5562,"has_fulltext":false,"cited_by_count":6,"citation_normalized_percentile":{"value":0.60896258,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"1975","issue":"12","first_page":"2216","last_page":"2226"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13736","display_name":"Steroid Chemistry and Biochemistry","score":0.9707000255584717,"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"}},"topics":[{"id":"https://openalex.org/T13736","display_name":"Steroid Chemistry and Biochemistry","score":0.9707000255584717,"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/T13185","display_name":"Phytochemistry and Bioactive Compounds","score":0.008100000210106373,"subfield":{"id":"https://openalex.org/subfields/2502","display_name":"Biomaterials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12215","display_name":"Phytochemical Studies and Bioactivities","score":0.006899999920278788,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/cardenolides","display_name":"cardenolides","score":0.8790000081062317},{"id":"https://openalex.org/keywords/dimethylsulfoxonium-methylide","display_name":"dimethylsulfoxonium methylide","score":0.8190000057220459},{"id":"https://openalex.org/keywords/dimethylsulfonium-methylide","display_name":"dimethylsulfonium methylide","score":0.9710000157356262},{"id":"https://openalex.org/keywords/epoxidation","display_name":"epoxidation","score":0.6520000100135803},{"id":"https://openalex.org/keywords/epoxides","display_name":"epoxides","score":0.5870000123977661},{"id":"https://openalex.org/keywords/wittig-reaction","display_name":"Wittig reaction","score":0.7099999785423279},{"id":"https://openalex.org/keywords/alkenes","display_name":"alkenes","score":0.48500001430511475},{"id":"https://openalex.org/keywords/total-synthesis","display_name":"total synthesis","score":0.550000011920929}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.6810499429702759}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/jlac.197519751208","doi":"https://doi.org/10.1002/jlac.197519751208","is_oa":false,"landing_page_url":"https://doi.org/10.1002/jlac.197519751208","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":26,"referenced_works":["https://openalex.org/W1544076616","https://openalex.org/W1966969233","https://openalex.org/W1968770273","https://openalex.org/W1968773140","https://openalex.org/W1982769508","https://openalex.org/W1997000712","https://openalex.org/W2010827874","https://openalex.org/W2021377634","https://openalex.org/W2023897519","https://openalex.org/W2028180582","https://openalex.org/W2031606004","https://openalex.org/W2050309419","https://openalex.org/W2052899026","https://openalex.org/W2062120705","https://openalex.org/W2072686675","https://openalex.org/W2073711056","https://openalex.org/W2103056780","https://openalex.org/W2115686732","https://openalex.org/W2146504334","https://openalex.org/W2162416438","https://openalex.org/W2312227080","https://openalex.org/W2316511368","https://openalex.org/W2326830177","https://openalex.org/W2333982792","https://openalex.org/W2504704619","https://openalex.org/W4249732069"],"related_works":["https://openalex.org/W2319208287","https://openalex.org/W2015951971","https://openalex.org/W2030370848","https://openalex.org/W1983302481","https://openalex.org/W2399545746","https://openalex.org/W2048489293","https://openalex.org/W2065424111","https://openalex.org/W2086293608","https://openalex.org/W2048384899","https://openalex.org/W2157799754"],"abstract_inverted_index":{"Abstract":[0],"Durch":[1],"Addition":[2],"von":[3,27,45],"LiR":[4],"(R":[5],"=":[6],"CH3,":[7],"C2H5,":[8],"CH\uf8feCH2,":[9],"C6H5)":[10],"and":[11,23],"NaC\uf8feCH":[12],"an":[13,18],"Digitoxigenon":[14],"(2)":[15],"werden":[16,63],"die":[17],"C\u20103":[19],"verzweigten":[20],"Cardenolide":[21],"4a\u2010e":[22],"5a\u2010e":[24],"erhalten.":[25],"Reaktion":[26],"2":[28,46],"mit":[29,39,47,56],"Dimethylsulfoxoniummethylid":[30],"gibt":[31],"das":[32,50,53],"Oxiran":[33],"8,":[34],"w\u00e4hrend":[35],"bei":[36],"der":[37],"Umsetzung":[38],"Dimethylsulfoniummethylid":[40],"9":[41,61],"gebildet":[42],"wird.":[43],"Wittig\u2010Reaktion":[44],"Methylentriphenylphosphoran":[48],"liefert":[49],"Olefin":[51],"10,":[52],"durch":[54],"Epoxidierung":[55],"H2O2":[57],"in":[58,60],"Acetonitril":[59],"\u00fcbergef\u00fchrt":[62],"kann.":[64]},"counts_by_year":[],"updated_date":"2026-09-22T06:50:58.402377","created_date":"2016-06-24T00:00:00"}
