Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1997272228', 'doi': 'https://doi.org/10.1021/np960558d', 'title': 'Halishigamides A−D, New Cytotoxic Oxazole-Containing Metabolites from Okinawan Sponge <i>Halichondria</i> sp.', 'display_name': 'Halishigamides A−D, New Cytotoxic Oxazole-Containing Metabolites from Okinawan Sponge <i>Halichondria</i> sp.', 'publication_year': 1997, 'publication_date': '1997-02-01', 'ids': {'openalex': 'https://openalex.org/W1997272228', 'doi': 'https://doi.org/10.1021/np960558d', 'mag': '1997272228'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1021/np960558d', 'pdf_url': None, '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, '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': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5103221906', 'display_name': 'Jun’ichi Kobayashi', 'orcid': 'https://orcid.org/0000-0003-1778-6962'}, 'institutions': [{'id': 'https://openalex.org/I10091056', 'display_name': 'Kanazawa University', 'ror': 'https://ror.org/02hwp6a56', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I10091056']}, {'id': 'https://openalex.org/I159385669', 'display_name': 'Chiba University', 'ror': 'https://ror.org/01hjzeq58', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I159385669']}, {'id': 'https://openalex.org/I205349734', 'display_name': 'Hokkaido University', 'ror': 'https://ror.org/02e16g702', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I205349734']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': "Jun'ichi Kobayashi", 'raw_affiliation_strings': ['Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060, Japan, Cancer Research Institute, Kanazawa University, Kanazawa 920, Japan, and Research Center for Pathogenic Fungi and Microbial Toxicoses, Chiba University, Chiba 280, Japan'], 'affiliations': [{'raw_affiliation_string': 'Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060, Japan, Cancer Research Institute, Kanazawa University, Kanazawa 920, Japan, and Research Center for Pathogenic Fungi and Microbial Toxicoses, Chiba University, Chiba 280, Japan', 'institution_ids': ['https://openalex.org/I10091056', 'https://openalex.org/I159385669', 'https://openalex.org/I205349734']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5102099514', 'display_name': 'Masashi Tsuda', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I10091056', 'display_name': 'Kanazawa University', 'ror': 'https://ror.org/02hwp6a56', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I10091056']}, {'id': 'https://openalex.org/I159385669', 'display_name': 'Chiba University', 'ror': 'https://ror.org/01hjzeq58', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I159385669']}, {'id': 'https://openalex.org/I205349734', 'display_name': 'Hokkaido University', 'ror': 'https://ror.org/02e16g702', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I205349734']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Masashi Tsuda', 'raw_affiliation_strings': ['Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060, Japan, Cancer Research Institute, Kanazawa University, Kanazawa 920, Japan, and Research Center for Pathogenic Fungi and Microbial Toxicoses, Chiba University, Chiba 280, Japan'], 'affiliations': [{'raw_affiliation_string': 'Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060, Japan, Cancer Research Institute, Kanazawa University, Kanazawa 920, Japan, and Research Center for Pathogenic Fungi and Microbial Toxicoses, Chiba University, Chiba 280, Japan', 'institution_ids': ['https://openalex.org/I10091056', 'https://openalex.org/I159385669', 'https://openalex.org/I205349734']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5090582700', 'display_name': 'Hitomi Fuse', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I159385669', 'display_name': 'Chiba University', 'ror': 'https://ror.org/01hjzeq58', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I159385669']}, {'id': 'https://openalex.org/I10091056', 'display_name': 'Kanazawa University', 'ror': 'https://ror.org/02hwp6a56', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I10091056']}, {'id': 'https://openalex.org/I205349734', 'display_name': 'Hokkaido University', 'ror': 'https://ror.org/02e16g702', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I205349734']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Hitomi Fuse', 'raw_affiliation_strings': ['Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060, Japan, Cancer Research Institute, Kanazawa University, Kanazawa 920, Japan, and Research Center for Pathogenic Fungi and Microbial Toxicoses, Chiba University, Chiba 280, Japan'], 'affiliations': [{'raw_affiliation_string': 'Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060, Japan, Cancer Research Institute, Kanazawa University, Kanazawa 920, Japan, and Research Center for Pathogenic Fungi and Microbial Toxicoses, Chiba University, Chiba 280, Japan', 'institution_ids': ['https://openalex.org/I159385669', 'https://openalex.org/I10091056', 'https://openalex.org/I205349734']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5100850941', 'display_name': 'Takuma Sasaki', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I159385669', 'display_name': 'Chiba University', 'ror': 'https://ror.org/01hjzeq58', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I159385669']}, {'id': 'https://openalex.org/I205349734', 'display_name': 'Hokkaido University', 'ror': 'https://ror.org/02e16g702', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I205349734']}, {'id': 'https://openalex.org/I10091056', 'display_name': 'Kanazawa University', 'ror': 'https://ror.org/02hwp6a56', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I10091056']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Takuma Sasaki', 'raw_affiliation_strings': ['Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060, Japan, Cancer Research Institute, Kanazawa University, Kanazawa 920, Japan, and Research Center for Pathogenic Fungi and Microbial Toxicoses, Chiba University, Chiba 280, Japan'], 'affiliations': [{'raw_affiliation_string': 'Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060, Japan, Cancer Research Institute, Kanazawa University, Kanazawa 920, Japan, and Research Center for Pathogenic Fungi and Microbial Toxicoses, Chiba University, Chiba 280, Japan', 'institution_ids': ['https://openalex.org/I159385669', 'https://openalex.org/I205349734', 'https://openalex.org/I10091056']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5046667079', 'display_name': 'Yuzuru Mikami', 'orcid': 'https://orcid.org/0000-0002-4335-4170'}, 'institutions': [{'id': 'https://openalex.org/I205349734', 'display_name': 'Hokkaido University', 'ror': 'https://ror.org/02e16g702', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I205349734']}, {'id': 'https://openalex.org/I10091056', 'display_name': 'Kanazawa University', 'ror': 'https://ror.org/02hwp6a56', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I10091056']}, {'id': 'https://openalex.org/I159385669', 'display_name': 'Chiba University', 'ror': 'https://ror.org/01hjzeq58', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I159385669']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Yuzuru Mikami', 'raw_affiliation_strings': ['Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060, Japan, Cancer Research Institute, Kanazawa University, Kanazawa 920, Japan, and Research Center for Pathogenic Fungi and Microbial Toxicoses, Chiba University, Chiba 280, Japan'], 'affiliations': [{'raw_affiliation_string': 'Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060, Japan, Cancer Research Institute, Kanazawa University, Kanazawa 920, Japan, and Research Center for Pathogenic Fungi and Microbial Toxicoses, Chiba University, Chiba 280, Japan', 'institution_ids': ['https://openalex.org/I205349734', 'https://openalex.org/I10091056', 'https://openalex.org/I159385669']}]}], 'countries_distinct_count': 1, 'institutions_distinct_count': 3, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 2.481, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 51, 'citation_normalized_percentile': {'value': 0.916033, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 92, 'max': 93}, 'biblio': {'volume': '60', 'issue': '2', 'first_page': '150', 'last_page': '154'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11340', 'display_name': 'Sponge-Associated Microorganisms and Biotechnological Potential', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/1305', 'display_name': 'Biotechnology'}, '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/T11340', 'display_name': 'Sponge-Associated Microorganisms and Biotechnological Potential', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/1305', 'display_name': 'Biotechnology'}, '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/T11549', 'display_name': 'Olefin Metathesis Chemistry', 'score': 0.9997, '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/T10252', 'display_name': 'Natural Products as Sources of New Drugs', 'score': 0.9995, 'subfield': {'id': 'https://openalex.org/subfields/2736', 'display_name': 'Pharmacology'}, 'field': {'id': 'https://openalex.org/fields/27', 'display_name': 'Medicine'}, 'domain': {'id': 'https://openalex.org/domains/4', 'display_name': 'Health Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/sponge', 'display_name': 'Sponge', 'score': 0.9335762}, {'id': 'https://openalex.org/keywords/oxazole', 'display_name': 'Oxazole', 'score': 0.9294523}, {'id': 'https://openalex.org/keywords/sponge-associated-microorganisms', 'display_name': 'Sponge-Associated Microorganisms', 'score': 0.504554}], 'concepts': [{'id': 'https://openalex.org/C2778849931', 'wikidata': 'https://www.wikidata.org/wiki/Q18960', 'display_name': 'Sponge', 'level': 2, 'score': 0.9335762}, {'id': 'https://openalex.org/C2778203186', 'wikidata': 'https://www.wikidata.org/wiki/Q413437', 'display_name': 'Oxazole', 'level': 2, 'score': 0.9294523}, {'id': 'https://openalex.org/C71240020', 'wikidata': 'https://www.wikidata.org/wiki/Q186011', 'display_name': 'Stereochemistry', 'level': 1, 'score': 0.78091323}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.40715408}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.35801673}, {'id': 'https://openalex.org/C59822182', 'wikidata': 'https://www.wikidata.org/wiki/Q441', 'display_name': 'Botany', 'level': 1, 'score': 0.12065777}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1021/np960558d', 'pdf_url': None, '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, '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': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'display_name': 'Life below water', 'score': 0.9, 'id': 'https://metadata.un.org/sdg/14'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 9, 'referenced_works': ['https://openalex.org/W1966342030', 'https://openalex.org/W1974564868', 'https://openalex.org/W1983349203', 'https://openalex.org/W2001589379', 'https://openalex.org/W2055594491', 'https://openalex.org/W2094364332', 'https://openalex.org/W2355536389', 'https://openalex.org/W2409771707', 'https://openalex.org/W4285719527'], 'related_works': ['https://openalex.org/W4391375266', 'https://openalex.org/W4387497383', 'https://openalex.org/W2950738239', 'https://openalex.org/W2948807893', 'https://openalex.org/W2778153218', 'https://openalex.org/W2748952813', 'https://openalex.org/W2078814861', 'https://openalex.org/W2077943756', 'https://openalex.org/W1997272228', 'https://openalex.org/W1531601525'], 'abstract_inverted_index': {'Four': [0], 'new': [1], 'oxazole-containing': [2], 'compounds,': [3], 'halishigamides': [4], 'A−D': [5], '(1−4),': [6], 'have': [7], 'been': [8], 'isolated': [9], 'from': [10], 'an': [11], 'Okinawan': [12], 'marine': [13], 'sponge': [14], 'Halichondria': [15], 'sp.': [16], 'and': [17], 'the': [18, 22, 32, 42], 'structures': [19], 'elucidated': [20], 'on': [21], 'basis': [23], 'of': [24], '2D': [25], 'NMR': [26], 'data.': [27], 'Halishigamide': [28], 'A': [29], '(1)': [30], 'is': [31], 'first': [33], 'trisoxazole-containing': [34], 'macrolide': [35], 'possessing': [36], 'a': [37], 'primary': [38], 'amino': [39], 'group': [40], 'in': [41], 'macrolactone': [43], 'ring.': [44]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1997272228', 'counts_by_year': [{'year': 2024, 'cited_by_count': 1}, {'year': 2022, 'cited_by_count': 2}, {'year': 2021, 'cited_by_count': 3}, {'year': 2019, 'cited_by_count': 2}, {'year': 2018, 'cited_by_count': 2}, {'year': 2017, 'cited_by_count': 1}, {'year': 2016, 'cited_by_count': 2}, {'year': 2015, 'cited_by_count': 1}, {'year': 2012, 'cited_by_count': 3}], 'updated_date': '2024-09-10T14:26:44.382149', 'created_date': '2016-06-24'}