Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2105692571', 'doi': 'https://doi.org/10.1002/anie.200351469', 'title': 'Highly Enantioselective Construction of Quaternary Stereocenters on β‐Keto Esters by Phase‐Transfer Catalytic Asymmetric Alkylation and Michael Reaction', 'display_name': 'Highly Enantioselective Construction of Quaternary Stereocenters on β‐Keto Esters by Phase‐Transfer Catalytic Asymmetric Alkylation and Michael Reaction', 'publication_year': 2003, 'publication_date': '2003-08-13', 'ids': {'openalex': 'https://openalex.org/W2105692571', 'doi': 'https://doi.org/10.1002/anie.200351469', 'mag': '2105692571', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/12923847'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/anie.200351469', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S67393510', 'display_name': 'Angewandte Chemie International Edition', 'issn_l': '1433-7851', 'issn': ['1433-7851', '1521-3773'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, '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': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'pubmed'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': 'http://www.wiley-vch.de/contents/jc_2001/2003/z51469_s.pdf', 'any_repository_has_fulltext': True}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5025501167', 'display_name': 'Takashi Ooi', 'orcid': 'https://orcid.org/0000-0003-2332-0472'}, 'institutions': [{'id': 'https://openalex.org/I22299242', 'display_name': 'Kyoto University', 'ror': 'https://ror.org/02kpeqv85', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I22299242']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Takashi Ooi', 'raw_affiliation_strings': ['Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto, 606‐8502 (Japan), Fax: (+81)\u200975‐753‐4041'], 'affiliations': [{'raw_affiliation_string': 'Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto, 606‐8502 (Japan), Fax: (+81)\u200975‐753‐4041', 'institution_ids': ['https://openalex.org/I22299242']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5058319582', 'display_name': 'Takashi Miki', 'orcid': 'https://orcid.org/0000-0003-3715-7039'}, 'institutions': [{'id': 'https://openalex.org/I22299242', 'display_name': 'Kyoto University', 'ror': 'https://ror.org/02kpeqv85', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I22299242']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Takashi Miki', 'raw_affiliation_strings': ['Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto, 606‐8502 (Japan), Fax: (+81)\u200975‐753‐4041'], 'affiliations': [{'raw_affiliation_string': 'Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto, 606‐8502 (Japan), Fax: (+81)\u200975‐753‐4041', 'institution_ids': ['https://openalex.org/I22299242']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5019873943', 'display_name': 'Mika Taniguchi', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I22299242', 'display_name': 'Kyoto University', 'ror': 'https://ror.org/02kpeqv85', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I22299242']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Mika Taniguchi', 'raw_affiliation_strings': ['Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto, 606‐8502 (Japan), Fax: (+81)\u200975‐753‐4041'], 'affiliations': [{'raw_affiliation_string': 'Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto, 606‐8502 (Japan), Fax: (+81)\u200975‐753‐4041', 'institution_ids': ['https://openalex.org/I22299242']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5087945055', 'display_name': 'Misato Shiraishi', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I22299242', 'display_name': 'Kyoto University', 'ror': 'https://ror.org/02kpeqv85', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I22299242']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Misato Shiraishi', 'raw_affiliation_strings': ['Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto, 606‐8502 (Japan), Fax: (+81)\u200975‐753‐4041'], 'affiliations': [{'raw_affiliation_string': 'Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto, 606‐8502 (Japan), Fax: (+81)\u200975‐753‐4041', 'institution_ids': ['https://openalex.org/I22299242']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5019091709', 'display_name': 'Mifune Takeuchi', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I22299242', 'display_name': 'Kyoto University', 'ror': 'https://ror.org/02kpeqv85', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I22299242']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Mifune Takeuchi', 'raw_affiliation_strings': ['Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto, 606‐8502 (Japan), Fax: (+81)\u200975‐753‐4041'], 'affiliations': [{'raw_affiliation_string': 'Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto, 606‐8502 (Japan), Fax: (+81)\u200975‐753‐4041', 'institution_ids': ['https://openalex.org/I22299242']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5072986688', 'display_name': 'Keiji Maruoka', 'orcid': 'https://orcid.org/0000-0002-0044-6411'}, 'institutions': [{'id': 'https://openalex.org/I22299242', 'display_name': 'Kyoto University', 'ror': 'https://ror.org/02kpeqv85', 'country_code': 'JP', 'type': 'education', 'lineage': ['https://openalex.org/I22299242']}], 'countries': ['JP'], 'is_corresponding': False, 'raw_author_name': 'Keiji Maruoka', 'raw_affiliation_strings': ['Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto, 606‐8502 (Japan), Fax: (+81)\u200975‐753‐4041'], 'affiliations': [{'raw_affiliation_string': 'Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto, 606‐8502 (Japan), Fax: (+81)\u200975‐753‐4041', 'institution_ids': ['https://openalex.org/I22299242']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 5250, 'currency': 'USD', 'value_usd': 5250, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 6.388, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 142, 'citation_normalized_percentile': {'value': 0.968812, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 97, 'max': 98}, 'biblio': {'volume': '42', 'issue': '32', 'first_page': '3796', 'last_page': '3798'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10013', 'display_name': 'Asymmetric Synthesis and Catalysis', 'score': 0.9999, '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/T10013', 'display_name': 'Asymmetric Synthesis and Catalysis', 'score': 0.9999, '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/T11281', 'display_name': 'Asymmetric Hydrogenation and Catalysis', 'score': 0.9992, '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/T13649', 'display_name': 'Advanced Synthetic Organic Chemistry', 'score': 0.9982, '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/stereocenter', 'display_name': 'Stereocenter', 'score': 0.9214994}, {'id': 'https://openalex.org/keywords/michael-reaction', 'display_name': 'Michael reaction', 'score': 0.7000937}, {'id': 'https://openalex.org/keywords/quaternary-carbon', 'display_name': 'Quaternary carbon', 'score': 0.6038189}, {'id': 'https://openalex.org/keywords/phase-transfer-catalyst', 'display_name': 'Phase-transfer catalyst', 'score': 0.48696455}, {'id': 'https://openalex.org/keywords/carbon-fibers', 'display_name': 'Carbon fibers', 'score': 0.42337096}], 'concepts': [{'id': 'https://openalex.org/C146686406', 'wikidata': 'https://www.wikidata.org/wiki/Q898628', 'display_name': 'Enantioselective synthesis', 'level': 3, 'score': 0.94520825}, {'id': 'https://openalex.org/C134195300', 'wikidata': 'https://www.wikidata.org/wiki/Q902071', 'display_name': 'Stereocenter', 'level': 4, 'score': 0.9214994}, {'id': 'https://openalex.org/C164361826', 'wikidata': 'https://www.wikidata.org/wiki/Q177604', 'display_name': 'Alkylation', 'level': 3, 'score': 0.8541365}, {'id': 'https://openalex.org/C112423150', 'wikidata': 'https://www.wikidata.org/wiki/Q642233', 'display_name': 'Michael reaction', 'level': 3, 'score': 0.7000937}, {'id': 'https://openalex.org/C2779870022', 'wikidata': 'https://www.wikidata.org/wiki/Q190901', 'display_name': 'Ammonium', 'level': 2, 'score': 0.6815039}, {'id': 'https://openalex.org/C2994484720', 'wikidata': 'https://www.wikidata.org/wiki/Q911288', 'display_name': 'Quaternary carbon', 'level': 4, 'score': 0.6038189}, {'id': 'https://openalex.org/C161790260', 'wikidata': 'https://www.wikidata.org/wiki/Q82264', 'display_name': 'Catalysis', 'level': 2, 'score': 0.575184}, {'id': 'https://openalex.org/C2776371256', 'wikidata': 'https://www.wikidata.org/wiki/Q12370', 'display_name': 'Salt (chemistry)', 'level': 2, 'score': 0.54666656}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.5318237}, {'id': 'https://openalex.org/C2778930939', 'wikidata': 'https://www.wikidata.org/wiki/Q900822', 'display_name': 'Phase-transfer catalyst', 'level': 3, 'score': 0.48696455}, {'id': 'https://openalex.org/C160464908', 'wikidata': 'https://www.wikidata.org/wiki/Q26185', 'display_name': 'Quaternary', 'level': 2, 'score': 0.43959674}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.43779463}, {'id': 'https://openalex.org/C140205800', 'wikidata': 'https://www.wikidata.org/wiki/Q5860', 'display_name': 'Carbon fibers', 'level': 3, 'score': 0.42337096}, {'id': 'https://openalex.org/C44280652', 'wikidata': 'https://www.wikidata.org/wiki/Q104837', 'display_name': 'Phase (matter)', 'level': 2, 'score': 0.41185638}, {'id': 'https://openalex.org/C21951064', 'wikidata': 'https://www.wikidata.org/wiki/Q899212', 'display_name': 'Combinatorial chemistry', 'level': 1, 'score': 0.39738584}, {'id': 'https://openalex.org/C71240020', 'wikidata': 'https://www.wikidata.org/wiki/Q186011', 'display_name': 'Stereochemistry', 'level': 1, 'score': 0.3413569}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.19325542}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.07106209}, {'id': 'https://openalex.org/C11413529', 'wikidata': 'https://www.wikidata.org/wiki/Q8366', 'display_name': 'Algorithm', 'level': 1, 'score': 0.054813296}, {'id': 'https://openalex.org/C104779481', 'wikidata': 'https://www.wikidata.org/wiki/Q50707', 'display_name': 'Composite number', 'level': 2, 'score': 0.0}, {'id': 'https://openalex.org/C151730666', 'wikidata': 'https://www.wikidata.org/wiki/Q7205', 'display_name': 'Paleontology', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 3, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/anie.200351469', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S67393510', 'display_name': 'Angewandte Chemie International Edition', 'issn_l': '1433-7851', 'issn': ['1433-7851', '1521-3773'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, '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': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': True, 'landing_page_url': 'http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.612.8637', 'pdf_url': 'http://www.wiley-vch.de/contents/jc_2001/2003/z51469_s.pdf', 'source': {'id': 'https://openalex.org/S4306400349', 'display_name': 'CiteSeer X (The Pennsylvania State University)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I130769515', 'host_organization_name': 'Pennsylvania State University', 'host_organization_lineage': ['https://openalex.org/I130769515'], 'host_organization_lineage_names': ['Pennsylvania State University'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/12923847', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306525036', 'display_name': 'PubMed', 'issn_l': None, 'issn': None, 'is_oa': False, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I1299303238', 'host_organization_name': 'National Institutes of Health', 'host_organization_lineage': ['https://openalex.org/I1299303238'], 'host_organization_lineage_names': ['National Institutes of Health'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.612.8637', 'pdf_url': 'http://www.wiley-vch.de/contents/jc_2001/2003/z51469_s.pdf', 'source': {'id': 'https://openalex.org/S4306400349', 'display_name': 'CiteSeer X (The Pennsylvania State University)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I130769515', 'host_organization_name': 'Pennsylvania State University', 'host_organization_lineage': ['https://openalex.org/I130769515'], 'host_organization_lineage_names': ['Pennsylvania State University'], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': 'submittedVersion', 'is_accepted': False, 'is_published': False}, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 34, 'referenced_works': ['https://openalex.org/W1559492924', 'https://openalex.org/W1766978504', 'https://openalex.org/W1976851699', 'https://openalex.org/W1978551546', 'https://openalex.org/W1980061356', 'https://openalex.org/W1981806792', 'https://openalex.org/W2010871897', 'https://openalex.org/W2017700838', 'https://openalex.org/W2018512976', 'https://openalex.org/W2024859447', 'https://openalex.org/W2038153412', 'https://openalex.org/W2040514612', 'https://openalex.org/W2043071447', 'https://openalex.org/W2045578271', 'https://openalex.org/W2053786866', 'https://openalex.org/W2055977024', 'https://openalex.org/W2085923381', 'https://openalex.org/W2123469077', 'https://openalex.org/W2134659588', 'https://openalex.org/W2141863606', 'https://openalex.org/W2145478160', 'https://openalex.org/W2150128049', 'https://openalex.org/W2331771292', 'https://openalex.org/W2949357325', 'https://openalex.org/W2949544744', 'https://openalex.org/W2949598877', 'https://openalex.org/W2951727602', 'https://openalex.org/W2951778651', 'https://openalex.org/W2951829671', 'https://openalex.org/W2952971450', 'https://openalex.org/W3140803784', 'https://openalex.org/W4243316809', 'https://openalex.org/W4244194112', 'https://openalex.org/W4255439637'], 'related_works': ['https://openalex.org/W2953212658', 'https://openalex.org/W2547526479', 'https://openalex.org/W2524806418', 'https://openalex.org/W2407111632', 'https://openalex.org/W2325544077', 'https://openalex.org/W2131676582', 'https://openalex.org/W2076246038', 'https://openalex.org/W2041541678', 'https://openalex.org/W2022044291', 'https://openalex.org/W2006194059'], 'abstract_inverted_index': {'The': [0, 52], 'designer': [1], 'ammonium': [2], 'salt': [3], '(S,S)-1': [4], 'catalyzes': [5], 'highly': [6], 'enantioselective': [7], 'phase-transfer': [8], 'alkylation': [9], 'and': [10], 'Michael': [11], 'reaction': [12], 'of': [13, 26, 62], 'β-keto': [14], 'esters.': [15], 'This': [16], 'approach': [17], 'provides': [18], 'a': [19], 'reliable': [20], 'route': [21], 'for': [22, 36, 57, 83], 'the': [23, 42, 48, 58, 68, 80, 84], 'asymmetric': [24], 'synthesis': [25], 'polyfunctionalized': [27], 'compounds': [28], 'having': [29], 'chiral': [30], 'quaternary': [31], 'carbon': [32], 'atoms.': [33], 'Supporting': [34], 'information': [35, 65], 'this': [37], 'article': [38], 'is': [39, 54], 'available': [40], 'on': [41], 'WWW': [43], 'under': [44], 'http://www.wiley-vch.de/contents/jc_2002/2003/z51469_s.pdf': [45], 'or': [46, 60], 'from': [47], 'author.': [49], 'Please': [50], 'note:': [51], 'publisher': [53], 'not': [55], 'responsible': [56], 'content': [59], 'functionality': [61], 'any': [63], 'supporting': [64], 'supplied': [66], 'by': [67], 'authors.': [69], 'Any': [70], 'queries': [71], '(other': [72], 'than': [73], 'missing': [74], 'content)': [75], 'should': [76], 'be': [77], 'directed': [78], 'to': [79], 'corresponding': [81], 'author': [82], 'article.': [85]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2105692571', 'counts_by_year': [{'year': 2023, 'cited_by_count': 3}, {'year': 2022, 'cited_by_count': 6}, {'year': 2021, 'cited_by_count': 6}, {'year': 2020, 'cited_by_count': 1}, {'year': 2019, 'cited_by_count': 5}, {'year': 2018, 'cited_by_count': 2}, {'year': 2017, 'cited_by_count': 3}, {'year': 2016, 'cited_by_count': 6}, {'year': 2015, 'cited_by_count': 4}, {'year': 2014, 'cited_by_count': 6}, {'year': 2013, 'cited_by_count': 10}, {'year': 2012, 'cited_by_count': 9}], 'updated_date': '2024-12-12T23:06:50.421062', 'created_date': '2016-06-24'}