{"id":"https://openalex.org/W2952094159","doi":"https://doi.org/10.1002/chin.200244230","title":"Three New Naphthoquinone Derivatives from Diospyros maritima Blume.","display_name":"Three New Naphthoquinone Derivatives from Diospyros maritima Blume.","publication_year":2002,"publication_date":"2002-11-05","ids":{"openalex":"https://openalex.org/W2952094159","doi":"https://doi.org/10.1002/chin.200244230","mag":"2952094159"},"language":"en","primary_location":{"id":"doi:10.1002/chin.200244230","doi":"https://doi.org/10.1002/chin.200244230","is_oa":false,"landing_page_url":"https://doi.org/10.1002/chin.200244230","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":"ChemInform","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/A5110464369","display_name":"Matsutake Higa","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I32915989","display_name":"University of the Ryukyus","ror":"https://ror.org/02z1n9q24","country_code":"JP","type":"education","lineage":["https://openalex.org/I32915989"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Matsutake Higa","raw_affiliation_strings":["Coll. Sci., Univ. Ryukyus, Nishihara, Okinawa 903-02, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Coll. Sci., Univ. Ryukyus, Nishihara, Okinawa 903-02, Japan","institution_ids":["https://openalex.org/I32915989"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5057908049","display_name":"Nobue Noha","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I32915989","display_name":"University of the Ryukyus","ror":"https://ror.org/02z1n9q24","country_code":"JP","type":"education","lineage":["https://openalex.org/I32915989"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Nobue Noha","raw_affiliation_strings":["Coll. Sci., Univ. Ryukyus, Nishihara, Okinawa 903-02, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Coll. Sci., Univ. Ryukyus, Nishihara, Okinawa 903-02, Japan","institution_ids":["https://openalex.org/I32915989"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086794126","display_name":"Hiroto Yokaryo","orcid":"https://orcid.org/0000-0001-5082-1657","observed_orcids":["https://orcid.org/0000-0001-5082-1657"]},"institutions":[{"id":"https://openalex.org/I32915989","display_name":"University of the Ryukyus","ror":"https://ror.org/02z1n9q24","country_code":"JP","type":"education","lineage":["https://openalex.org/I32915989"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Hiroto Yokaryo","raw_affiliation_strings":["Coll. Sci., Univ. Ryukyus, Nishihara, Okinawa 903-02, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Coll. Sci., Univ. Ryukyus, Nishihara, Okinawa 903-02, Japan","institution_ids":["https://openalex.org/I32915989"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5113962921","display_name":"Kazuhito Ogihara","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I32915989","display_name":"University of the Ryukyus","ror":"https://ror.org/02z1n9q24","country_code":"JP","type":"education","lineage":["https://openalex.org/I32915989"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Kazuhito Ogihara","raw_affiliation_strings":["Coll. Sci., Univ. Ryukyus, Nishihara, Okinawa 903-02, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Coll. Sci., Univ. Ryukyus, Nishihara, Okinawa 903-02, Japan","institution_ids":["https://openalex.org/I32915989"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5113632485","display_name":"Seiichi Yogi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I32915989","display_name":"University of the Ryukyus","ror":"https://ror.org/02z1n9q24","country_code":"JP","type":"education","lineage":["https://openalex.org/I32915989"]}],"countries":["JP"],"is_corresponding":false,"raw_author_name":"Seiichi Yogi","raw_affiliation_strings":["Coll. Sci., Univ. Ryukyus, Nishihara, Okinawa 903-02, Japan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Coll. Sci., Univ. Ryukyus, Nishihara, Okinawa 903-02, Japan","institution_ids":["https://openalex.org/I32915989"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I32915989"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":false,"cited_by_count":1,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"33","issue":"44","first_page":"230","last_page":"230"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12356","display_name":"Bioactive Compounds and Antitumor Agents","score":0.7089999914169312,"subfield":{"id":"https://openalex.org/subfields/3005","display_name":"Toxicology"},"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/T12356","display_name":"Bioactive Compounds and Antitumor Agents","score":0.7089999914169312,"subfield":{"id":"https://openalex.org/subfields/3005","display_name":"Toxicology"},"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/T12087","display_name":"Natural Compound Pharmacology Studies","score":0.06889999657869339,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T11613","display_name":"Phytochemistry and Biological Activities","score":0.05820000171661377,"subfield":{"id":"https://openalex.org/subfields/1110","display_name":"Plant Science"},"field":{"id":"https://openalex.org/fields/11","display_name":"Agricultural and Biological Sciences"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/naphthoquinones","display_name":"naphthoquinones","score":0.9419999718666077},{"id":"https://openalex.org/keywords/natural-product-isolation","display_name":"natural product isolation","score":0.6930000185966492},{"id":"https://openalex.org/keywords/phytochemistry","display_name":"phytochemistry","score":0.8180000185966492},{"id":"https://openalex.org/keywords/quinones","display_name":"quinones","score":0.45500001311302185}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.9716817736625671},{"id":"https://openalex.org/C2779859075","wikidata":"https://www.wikidata.org/wiki/Q165258","display_name":"Diospyros","level":2,"score":0.7978076934814453},{"id":"https://openalex.org/C2776183150","wikidata":"https://www.wikidata.org/wiki/Q10862682","display_name":"Naphthoquinone","level":2,"score":0.6389591693878174},{"id":"https://openalex.org/C556039675","wikidata":"https://www.wikidata.org/wiki/Q771035","display_name":"Traditional medicine","level":1,"score":0.43059951066970825},{"id":"https://openalex.org/C71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","level":1,"score":0.3349403142929077},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.24230119585990906},{"id":"https://openalex.org/C59822182","wikidata":"https://www.wikidata.org/wiki/Q441","display_name":"Botany","level":1,"score":0.2237567901611328},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.0},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/chin.200244230","doi":"https://doi.org/10.1002/chin.200244230","is_oa":false,"landing_page_url":"https://doi.org/10.1002/chin.200244230","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":"ChemInform","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/W2159261763"],"related_works":["https://openalex.org/W1996184549","https://openalex.org/W3161828359","https://openalex.org/W1974971620","https://openalex.org/W4250187390","https://openalex.org/W1930323677","https://openalex.org/W1980494592","https://openalex.org/W2949665556","https://openalex.org/W2739532901","https://openalex.org/W2324052969","https://openalex.org/W2011367128"],"abstract_inverted_index":null,"counts_by_year":[{"year":2018,"cited_by_count":1}],"updated_date":"2026-11-08T12:12:28.789561","created_date":"2019-06-27T00:00:00"}
