{"id":"https://openalex.org/W4205238586","doi":"https://doi.org/10.1002/chin.198314135","title":"ChemInform Abstract: INTRAMOLECULAR (4+2) CYCLOADDITIONS AS A GENERAL STRATEGY FOR ALKALOID SYNTHESIS. A NOVEL FORMAL SYNTHESIS OF LYCORINE","display_name":"ChemInform Abstract: INTRAMOLECULAR (4+2) CYCLOADDITIONS AS A GENERAL STRATEGY FOR ALKALOID SYNTHESIS. A NOVEL FORMAL SYNTHESIS OF LYCORINE","publication_year":1983,"publication_date":"1983-04-05","ids":{"openalex":"https://openalex.org/W4205238586","doi":"https://doi.org/10.1002/chin.198314135"},"language":"de","primary_location":{"id":"doi:10.1002/chin.198314135","doi":"https://doi.org/10.1002/chin.198314135","is_oa":false,"landing_page_url":"https://doi.org/10.1002/chin.198314135","pdf_url":null,"source":{"id":"https://openalex.org/S41354064","display_name":"ChemInform","issn_l":"0009-2975","issn":["0009-2975","0931-7597","1431-5890","1522-2667","2199-2924"],"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":"Chemischer Informationsdienst","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/A5055989647","display_name":"Stephen F. Martin","orcid":"https://orcid.org/0000-0002-4639-0695","observed_orcids":["https://orcid.org/0000-0002-4639-0695"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S. F. MARTIN","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5109205539","display_name":"C. TU","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"C. TU","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"middle","author":{"id":"https://openalex.org/A5035212958","display_name":"Michio Kimura","orcid":"https://orcid.org/0000-0002-9967-5336","observed_orcids":["https://orcid.org/0000-0002-9967-5336"]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"M. KIMURA","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]},{"author_position":"last","author":{"id":"https://openalex.org/A5109203618","display_name":"S. H. Simonsen","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"S. H. SIMONSEN","raw_affiliation_strings":[],"raw_orcid":null,"affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.35817846,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"14","issue":"14","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13124","display_name":"Chemical synthesis and alkaloids","score":0.8047000169754028,"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/T13124","display_name":"Chemical synthesis and alkaloids","score":0.8047000169754028,"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/T13649","display_name":"Advanced Synthetic Organic Chemistry","score":0.17739999294281006,"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":0.005100000184029341,"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/intramolecular-4-2-cycloaddition","display_name":"intramolecular [4+2] cycloaddition","score":0.9490000009536743},{"id":"https://openalex.org/keywords/alkaloid-synthesis","display_name":"alkaloid synthesis","score":0.9259999990463257},{"id":"https://openalex.org/keywords/lycorine","display_name":"lycorine","score":0.9290000200271606},{"id":"https://openalex.org/keywords/formal-synthesis","display_name":"formal synthesis","score":0.7089999914169312},{"id":"https://openalex.org/keywords/phenylacetaldehyde","display_name":"phenylacetaldehyde","score":0.8930000066757202},{"id":"https://openalex.org/keywords/benzylamine","display_name":"benzylamine","score":0.9779999852180481},{"id":"https://openalex.org/keywords/imines","display_name":"imines","score":0.7170000076293945},{"id":"https://openalex.org/keywords/acylation","display_name":"acylation","score":0.6200000047683716},{"id":"https://openalex.org/keywords/total-synthesis","display_name":"total synthesis","score":0.3319999873638153}],"concepts":[{"id":"https://openalex.org/C2781465977","wikidata":"https://www.wikidata.org/wiki/Q420314","display_name":"Lycorine","level":3,"score":0.9807049036026001},{"id":"https://openalex.org/C75079739","wikidata":"https://www.wikidata.org/wiki/Q1571801","display_name":"Intramolecular force","level":2,"score":0.7865110635757446},{"id":"https://openalex.org/C2777667214","wikidata":"https://www.wikidata.org/wiki/Q70702","display_name":"Alkaloid","level":2,"score":0.6002231240272522},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.5665813684463501},{"id":"https://openalex.org/C2985598853","wikidata":"https://www.wikidata.org/wiki/Q644785","display_name":"Formal synthesis","level":2,"score":0.5123851895332336},{"id":"https://openalex.org/C71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","level":1,"score":0.4581950604915619},{"id":"https://openalex.org/C21951064","wikidata":"https://www.wikidata.org/wiki/Q899212","display_name":"Combinatorial chemistry","level":1,"score":0.35019737482070923}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/chin.198314135","doi":"https://doi.org/10.1002/chin.198314135","is_oa":false,"landing_page_url":"https://doi.org/10.1002/chin.198314135","pdf_url":null,"source":{"id":"https://openalex.org/S41354064","display_name":"ChemInform","issn_l":"0009-2975","issn":["0009-2975","0931-7597","1431-5890","1522-2667","2199-2924"],"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":"Chemischer Informationsdienst","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":1,"referenced_works":["https://openalex.org/W2949868954"],"related_works":["https://openalex.org/W4252514607","https://openalex.org/W2949868954","https://openalex.org/W2606632115","https://openalex.org/W3153340772","https://openalex.org/W2328614479","https://openalex.org/W2344618190","https://openalex.org/W2344258026","https://openalex.org/W4234196474","https://openalex.org/W4242272321","https://openalex.org/W4242946364"],"abstract_inverted_index":{"Abstract":[0],"Phenylacetaldehyd":[1],"(I)":[2],"und":[3],"Benzylamin":[4],"(II)":[5],"reagieren":[6],"zum":[7],"Imin":[8],"(III),":[9],"das":[10],"mit":[11],"dem":[12],"S\u00e4urechlorid":[13],"(IV)":[14],"zu":[15],"einem":[16],"Acylderivat":[17],"(V)":[18],"substituiert":[19],"wird.":[20]},"counts_by_year":[],"updated_date":"2026-09-25T08:18:29.962427","created_date":"2022-01-25T00:00:00"}