Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2271475580', 'doi': None, 'title': 'P-chiral phosphine oxide ligands for asymmetric catalysis', 'display_name': 'P-chiral phosphine oxide ligands for asymmetric catalysis', 'publication_year': 1997, 'publication_date': '1997-01-01', 'ids': {'openalex': 'https://openalex.org/W2271475580', 'mag': '2271475580'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://repository.ust.hk/ir/bitstream/1783.1-1117/1/cwcyc01.pdf', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': [], '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/A5089044251', 'display_name': 'Richard K. Haynes', 'orcid': 'https://orcid.org/0000-0001-8554-1823'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Richard K. Haynes', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5015612051', 'display_name': 'Terry T.‐L. Au‐Yeung', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Terry Tin-Lok Au-Yeung', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5071957541', 'display_name': 'Wai‐Kuen Chan', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Wai-Kuen Chan', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5103612711', 'display_name': 'Wai‐Lun Lam', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Wai-Lun Lam', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5100779408', 'display_name': 'Zhiyi Li', 'orcid': 'https://orcid.org/0000-0002-8664-088X'}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Zhi-Yi Li', 'raw_affiliation_strings': [], 'affiliations': []}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5037609498', 'display_name': 'Lam‐Lung Yeung', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': False, 'raw_author_name': 'Lam-Lung Yeung', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, 'cited_by_count': 0, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 0, 'max': 55}, 'biblio': {'volume': None, 'issue': None, 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11281', 'display_name': 'Homogeneous Catalysis with Transition Metals', 'score': 0.9984, 'subfield': {'id': 'https://openalex.org/subfields/1604', 'display_name': 'Inorganic 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/T11281', 'display_name': 'Homogeneous Catalysis with Transition Metals', 'score': 0.9984, 'subfield': {'id': 'https://openalex.org/subfields/1604', 'display_name': 'Inorganic 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/T12285', 'display_name': 'Engineering of Surface Nanostructures', 'score': 0.9957, 'subfield': {'id': 'https://openalex.org/subfields/2204', 'display_name': 'Biomedical Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10013', 'display_name': 'Asymmetric Catalysis', 'score': 0.9798, '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/asymmetric-catalysis', 'display_name': 'Asymmetric Catalysis', 'score': 0.673672}, {'id': 'https://openalex.org/keywords/asymmetric-synthesis', 'display_name': 'Asymmetric Synthesis', 'score': 0.622203}, {'id': 'https://openalex.org/keywords/chiral-catalysts', 'display_name': 'Chiral Catalysts', 'score': 0.604124}, {'id': 'https://openalex.org/keywords/chiral-ligands', 'display_name': 'Chiral Ligands', 'score': 0.563468}, {'id': 'https://openalex.org/keywords/catalysis', 'display_name': 'Catalysis', 'score': 0.503669}, {'id': 'https://openalex.org/keywords/phosphine-oxide', 'display_name': 'Phosphine oxide', 'score': 0.49062982}], 'concepts': [{'id': 'https://openalex.org/C161790260', 'wikidata': 'https://www.wikidata.org/wiki/Q82264', 'display_name': 'Catalysis', 'level': 2, 'score': 0.6415498}, {'id': 'https://openalex.org/C2777716191', 'wikidata': 'https://www.wikidata.org/wiki/Q207877', 'display_name': 'Phosphine', 'level': 3, 'score': 0.58073753}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.5622302}, {'id': 'https://openalex.org/C2781082197', 'wikidata': 'https://www.wikidata.org/wiki/Q3270838', 'display_name': 'Phosphine oxide', 'level': 4, 'score': 0.49062982}, {'id': 'https://openalex.org/C2779851234', 'wikidata': 'https://www.wikidata.org/wiki/Q50690', 'display_name': 'Oxide', 'level': 2, 'score': 0.4710322}, {'id': 'https://openalex.org/C146686406', 'wikidata': 'https://www.wikidata.org/wiki/Q898628', 'display_name': 'Enantioselective synthesis', 'level': 3, 'score': 0.43579295}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.22071707}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://repository.ust.hk/ir/bitstream/1783.1-1117/1/cwcyc01.pdf', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W611442575', 'https://openalex.org/W3212057026', 'https://openalex.org/W2952813559', 'https://openalex.org/W2952745733', 'https://openalex.org/W2949663364', 'https://openalex.org/W2949107901', 'https://openalex.org/W2738168121', 'https://openalex.org/W2591365788', 'https://openalex.org/W2591312709', 'https://openalex.org/W2586361577', 'https://openalex.org/W2585507507', 'https://openalex.org/W2501500139', 'https://openalex.org/W2460192894', 'https://openalex.org/W2390955809', 'https://openalex.org/W2324471919', 'https://openalex.org/W2317607566', 'https://openalex.org/W2313706833', 'https://openalex.org/W2275564443', 'https://openalex.org/W1986646906', 'https://openalex.org/W1981086884'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2271475580', 'counts_by_year': [], 'updated_date': '2024-09-19T01:24:09.228329', 'created_date': '2016-06-24'}