Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2081332060', 'doi': 'https://doi.org/10.1002/anie.200503062', 'title': 'A Powerful Brønsted Acid Catalyst for the Organocatalytic Asymmetric Transfer Hydrogenation of Imines', 'display_name': 'A Powerful Brønsted Acid Catalyst for the Organocatalytic Asymmetric Transfer Hydrogenation of Imines', 'publication_year': 2005, 'publication_date': '2005-10-21', 'ids': {'openalex': 'https://openalex.org/W2081332060', 'doi': 'https://doi.org/10.1002/anie.200503062', 'mag': '2081332060', 'pmid': 'https://pubmed.ncbi.nlm.nih.gov/16245265'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/anie.200503062', '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': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5111205553', 'display_name': 'S.D. Hoffmann', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210090782', 'display_name': 'Max-Planck-Institut für Kohlenforschung', 'ror': 'https://ror.org/00a7vgh58', 'country_code': 'DE', 'type': 'facility', 'lineage': ['https://openalex.org/I149899117', 'https://openalex.org/I4210090782']}, {'id': 'https://openalex.org/I149899117', 'display_name': 'Max Planck Society', 'ror': 'https://ror.org/01hhn8329', 'country_code': 'DE', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I149899117']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Sebastian Hoffmann', 'raw_affiliation_strings': ['Research Department List, Max-Planck-Institut für Kohlenforschung, Max Planck Society'], 'affiliations': [{'raw_affiliation_string': 'Research Department List, Max-Planck-Institut für Kohlenforschung, Max Planck Society', 'institution_ids': ['https://openalex.org/I4210090782', 'https://openalex.org/I149899117']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5020047852', 'display_name': 'Abdul Majeed Seayad', 'orcid': 'https://orcid.org/0000-0002-4696-0846'}, 'institutions': [{'id': 'https://openalex.org/I4210090782', 'display_name': 'Max-Planck-Institut für Kohlenforschung', 'ror': 'https://ror.org/00a7vgh58', 'country_code': 'DE', 'type': 'facility', 'lineage': ['https://openalex.org/I149899117', 'https://openalex.org/I4210090782']}, {'id': 'https://openalex.org/I149899117', 'display_name': 'Max Planck Society', 'ror': 'https://ror.org/01hhn8329', 'country_code': 'DE', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I149899117']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Abdul Majeed Seayad', 'raw_affiliation_strings': ['Research Department List, Max-Planck-Institut für Kohlenforschung, Max Planck Society'], 'affiliations': [{'raw_affiliation_string': 'Research Department List, Max-Planck-Institut für Kohlenforschung, Max Planck Society', 'institution_ids': ['https://openalex.org/I4210090782', 'https://openalex.org/I149899117']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5040055598', 'display_name': 'Benjamin List', 'orcid': 'https://orcid.org/0000-0002-9804-599X'}, 'institutions': [{'id': 'https://openalex.org/I4210090782', 'display_name': 'Max-Planck-Institut für Kohlenforschung', 'ror': 'https://ror.org/00a7vgh58', 'country_code': 'DE', 'type': 'facility', 'lineage': ['https://openalex.org/I149899117', 'https://openalex.org/I4210090782']}, {'id': 'https://openalex.org/I149899117', 'display_name': 'Max Planck Society', 'ror': 'https://ror.org/01hhn8329', 'country_code': 'DE', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I149899117']}], 'countries': ['DE'], 'is_corresponding': False, 'raw_author_name': 'Benjamin List', 'raw_affiliation_strings': ['Research Department List, Max-Planck-Institut für Kohlenforschung, Max Planck Society'], 'affiliations': [{'raw_affiliation_string': 'Research Department List, Max-Planck-Institut für Kohlenforschung, Max Planck Society', 'institution_ids': ['https://openalex.org/I4210090782', 'https://openalex.org/I149899117']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 2, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 5250, 'currency': 'USD', 'value_usd': 5250, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 25.3, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 633, 'citation_normalized_percentile': {'value': 0.955172, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 99, 'max': 100}, 'biblio': {'volume': '44', 'issue': '45', 'first_page': '7424', 'last_page': '7427'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11281', 'display_name': 'Asymmetric Hydrogenation and Catalysis', 'score': 1.0, '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': 'Asymmetric Hydrogenation and Catalysis', 'score': 1.0, '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/T10013', 'display_name': 'Asymmetric Synthesis and Catalysis', 'score': 0.9955, '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/T10911', 'display_name': 'Chemical Synthesis and Analysis', 'score': 0.9954, 'subfield': {'id': 'https://openalex.org/subfields/1312', 'display_name': 'Molecular Biology'}, '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'}}], 'keywords': [{'id': 'https://openalex.org/keywords/brønsted–lowry-acid–base-theory', 'display_name': 'Brønsted–Lowry acid–base theory', 'score': 0.8548435}, {'id': 'https://openalex.org/keywords/phosphoric-acid', 'display_name': 'Phosphoric acid', 'score': 0.7901844}, {'id': 'https://openalex.org/keywords/transfer-hydrogenation', 'display_name': 'Transfer hydrogenation', 'score': 0.7369713}], 'concepts': [{'id': 'https://openalex.org/C79878483', 'wikidata': 'https://www.wikidata.org/wiki/Q556036', 'display_name': 'Brønsted–Lowry acid–base theory', 'level': 3, 'score': 0.8548435}, {'id': 'https://openalex.org/C161790260', 'wikidata': 'https://www.wikidata.org/wiki/Q82264', 'display_name': 'Catalysis', 'level': 2, 'score': 0.81543165}, {'id': 'https://openalex.org/C2776622989', 'wikidata': 'https://www.wikidata.org/wiki/Q184782', 'display_name': 'Phosphoric acid', 'level': 2, 'score': 0.7901844}, {'id': 'https://openalex.org/C2776715866', 'wikidata': 'https://www.wikidata.org/wiki/Q3143742', 'display_name': 'Transfer hydrogenation', 'level': 4, 'score': 0.7369713}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.70687616}, {'id': 'https://openalex.org/C66972969', 'wikidata': 'https://www.wikidata.org/wiki/Q898995', 'display_name': 'Organocatalysis', 'level': 4, 'score': 0.5830318}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.5379546}, {'id': 'https://openalex.org/C2781212610', 'wikidata': 'https://www.wikidata.org/wiki/Q39094', 'display_name': 'Dihydropyridine', 'level': 3, 'score': 0.48345694}, {'id': 'https://openalex.org/C21951064', 'wikidata': 'https://www.wikidata.org/wiki/Q899212', 'display_name': 'Combinatorial chemistry', 'level': 1, 'score': 0.33126804}, {'id': 'https://openalex.org/C146686406', 'wikidata': 'https://www.wikidata.org/wiki/Q898628', 'display_name': 'Enantioselective synthesis', 'level': 3, 'score': 0.2767552}, {'id': 'https://openalex.org/C555196967', 'wikidata': 'https://www.wikidata.org/wiki/Q1086', 'display_name': 'Ruthenium', 'level': 3, 'score': 0.0}, {'id': 'https://openalex.org/C519063684', 'wikidata': 'https://www.wikidata.org/wiki/Q706', 'display_name': 'Calcium', 'level': 2, 'score': 0.0}], 'mesh': [], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1002/anie.200503062', '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': False, 'landing_page_url': 'https://pubmed.ncbi.nlm.nih.gov/16245265', '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': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 60, 'referenced_works': ['https://openalex.org/W1023400948', 'https://openalex.org/W1506938930', 'https://openalex.org/W1963887262', 'https://openalex.org/W1969410254', 'https://openalex.org/W1983208597', 'https://openalex.org/W1984134526', 'https://openalex.org/W1986265658', 'https://openalex.org/W1993367766', 'https://openalex.org/W1995396482', 'https://openalex.org/W2000390625', 'https://openalex.org/W2001083791', 'https://openalex.org/W2010469538', 'https://openalex.org/W2013972640', 'https://openalex.org/W2016075951', 'https://openalex.org/W2017734238', 'https://openalex.org/W2025861611', 'https://openalex.org/W2032698433', 'https://openalex.org/W2043350468', 'https://openalex.org/W2049442413', 'https://openalex.org/W2054873467', 'https://openalex.org/W2057249623', 'https://openalex.org/W2067423032', 'https://openalex.org/W2068868641', 'https://openalex.org/W2080598523', 'https://openalex.org/W2089162638', 'https://openalex.org/W2093471879', 'https://openalex.org/W2093915175', 'https://openalex.org/W2094745278', 'https://openalex.org/W2113553327', 'https://openalex.org/W2115132894', 'https://openalex.org/W2123557766', 'https://openalex.org/W2132032759', 'https://openalex.org/W2133585946', 'https://openalex.org/W2149588400', 'https://openalex.org/W2160244611', 'https://openalex.org/W2169174125', 'https://openalex.org/W2174182506', 'https://openalex.org/W2326006968', 'https://openalex.org/W2521585712', 'https://openalex.org/W2826868156', 'https://openalex.org/W2903473005', 'https://openalex.org/W2949589061', 'https://openalex.org/W2950142963', 'https://openalex.org/W2950200216', 'https://openalex.org/W2950645094', 'https://openalex.org/W2950766549', 'https://openalex.org/W2950836625', 'https://openalex.org/W2950957317', 'https://openalex.org/W2951058084', 'https://openalex.org/W2952717778', 'https://openalex.org/W3118750103', 'https://openalex.org/W4231306806', 'https://openalex.org/W4231704367', 'https://openalex.org/W4232409240', 'https://openalex.org/W4235627433', 'https://openalex.org/W4245388086', 'https://openalex.org/W4250361888', 'https://openalex.org/W4293281588', 'https://openalex.org/W4294555139', 'https://openalex.org/W4297405635'], 'related_works': ['https://openalex.org/W4281772259', 'https://openalex.org/W3214807871', 'https://openalex.org/W2951855530', 'https://openalex.org/W2950280221', 'https://openalex.org/W2354238209', 'https://openalex.org/W2325342531', 'https://openalex.org/W2115908349', 'https://openalex.org/W2087807642', 'https://openalex.org/W1786155781', 'https://openalex.org/W1592083807'], 'abstract_inverted_index': {'Angewandte': [0], 'Chemie': [1], 'International': [2], 'EditionVolume': [3], '44,': [4], 'Issue': [5], '45': [6], 'p.': [7], '7424-7427': [8, 391], 'Communication': [9], 'A': [10, 289, 295], 'Powerful': [11], 'Brønsted': [12], 'Acid': [13], 'Catalyst': [14], 'for': [15, 43, 70, 98, 124, 151, 179, 212, 337, 358, 384], 'the': [16, 196, 216, 254, 264, 301, 316, 343, 349, 359, 369, 381, 385], 'Organocatalytic': [17], 'Asymmetric': [18], 'Transfer': [19], 'Hydrogenation': [20], 'of': [21, 238, 248, 261, 272, 300, 363], 'Imines†': [22], 'Sebastian': [23, 26, 104, 107], 'Hoffmann': [24, 27, 105, 108], 'Dipl.-Chem.,': [25, 106], 'Dipl.-Chem.': [28, 109], 'Max-Planck-Institut': [29, 56, 84, 110, 137, 165], 'für': [30, 57, 85, 111, 138, 166], 'Kohlenforschung,': [31, 58, 86, 112, 139, 167], 'Kaiser-Wilhelm-Platz': [32, 59, 87, 113, 140, 168], '1,': [33, 60, 88, 114, 141, 169], '45470': [34, 61, 89, 115, 142, 170], 'Mülheim': [35, 62, 90, 116, 143, 171], 'an': [36, 63, 91, 117, 144, 172], 'der': [37, 64, 92, 118, 145, 173], 'Ruhr,': [38, 65, 93, 119, 146, 174], 'Germany,': [39, 66, 94, 120, 147, 175], 'Fax:': [40, 67, 95, 121, 148, 176], '(+49)': [41, 68, 96, 122, 149, 177], '208-306-2999Search': [42, 69, 97, 123, 150, 178], 'more': [44, 71, 99, 125, 152, 180], 'papers': [45, 72, 100, 126, 153, 181], 'by': [46, 73, 101, 127, 154, 182, 195, 368], 'this': [47, 74, 102, 128, 155, 183, 273, 338], 'authorAbdul': [48, 129], 'Majeed': [49, 53, 130, 134], 'Seayad': [50, 54, 131, 135, 208], 'Dr.,': [51, 78, 132, 159], 'Abdul': [52, 133], 'Dr.': [55, 82, 136, 163], 'authorBenjamin': [75, 156], 'List': [76, 80, 157, 161], 'Prof.': [77, 81, 158, 162], 'Benjamin': [79, 160], '[email protected]': [83, 164], 'author': [103, 184, 383], 'First': [185], 'published:': [186], '16': [187], 'November': [188], '2005': [189], 'https://doi.org/10.1002/anie.200503062Citations:': [190], '576': [191], '†': [192], 'Generous': [193], 'support': [194], 'DFG': [197], '(Priority': [198], 'Program': [199], '1179,': [200], 'Organocatalysis)': [201], 'is': [202, 340, 355], 'gratefully': [203], 'acknowledged.': [204], 'We': [205], 'thank': [206], 'Jayasree': [207], 'and': [209, 236, 240, 252, 259, 278, 309, 323], 'Sonja': [210], 'Mayer': [211], 'catalyst': [213, 305], 'preparations.': [214], 'Read': [215], 'full': [217, 228], 'textAboutPDF': [218], 'ToolsRequest': [219], 'permissionExport': [220], 'citationAdd': [221], 'to': [222, 244, 267, 380], 'favoritesTrack': [223], 'citation': [224], 'ShareShare': [225], 'Give': [226], 'accessShare': [227, 230], 'text': [229], 'full-text': [231, 246, 270], 'accessPlease': [232], 'review': [233], 'our': [234], 'Terms': [235, 258], 'Conditions': [237, 260], 'Use': [239], 'check': [241], 'box': [242], 'below': [243, 266], 'share': [245, 268], 'version': [247, 271], 'article.I': [249], 'have': [250], 'read': [251], 'accept': [253], 'Wiley': [255], 'Online': [256], 'Library': [257], 'UseShareable': [262], 'LinkUse': [263], 'link': [265], 'a': [269, 284, 292], 'article': [274, 339, 393], 'with': [275, 327], 'your': [276], 'friends': [277], 'colleagues.': [279], 'Learn': [280], 'more.Copy': [281], 'URL': [282], 'Share': [283], 'linkShare': [285], 'onFacebookTwitterLinked': [286], 'InRedditWechat': [287], 'Abstract': [288], 'little': [290], 'goes': [291], 'long': [293], 'way:': [294], '1': [296, 314], 'mol': [297], '%': [298], 'loading': [299], 'chiral': [302], 'phosphoric': [303], 'acid': [304], '2': [306], 'converts': [307], 'aromatic': [308], 'aliphatic': [310], 'imines': [311], 'such': [312], 'as': [313], 'into': [315], 'corresponding': [317, 382], 'amines': [318], '(4)': [319], 'in': [320, 398], 'high': [321], 'yields': [322], 'enantioselectivities': [324], 'if': [325], 'treated': [326], 'Hantzsch': [328], 'dihydropyridine': [329], '3.': [330], 'Citing': [331], 'Literature': [332], 'Supporting': [333, 335], 'Information': [334], 'information': [336, 366], 'available': [341], 'on': [342], 'WWW': [344], 'under': [345], 'http://www.wiley-vch.de/contents/jc_2002/2005/z503062_s.pdf': [346], 'or': [347, 361], 'from': [348], 'author.': [350], 'Please': [351], 'note:': [352], 'The': [353], 'publisher': [354], 'not': [356], 'responsible': [357], 'content': [360], 'functionality': [362], 'any': [364], 'supporting': [365], 'supplied': [367], 'authors.': [370], 'Any': [371], 'queries': [372], '(other': [373], 'than': [374], 'missing': [375], 'content)': [376], 'should': [377], 'be': [378], 'directed': [379], 'article.': [386], 'Volume44,': [387], 'Issue45November': [388], '18,': [389], '2005Pages': [390], 'This': [392], 'also': [394], 'appears': [395], 'in:Nobel': [396], 'Prize': [397], 'Chemistry': [399], '2021': [400], 'RelatedInformation': [401]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2081332060', 'counts_by_year': [{'year': 2024, 'cited_by_count': 12}, {'year': 2023, 'cited_by_count': 24}, {'year': 2022, 'cited_by_count': 15}, {'year': 2021, 'cited_by_count': 14}, {'year': 2020, 'cited_by_count': 23}, {'year': 2019, 'cited_by_count': 28}, {'year': 2018, 'cited_by_count': 18}, {'year': 2017, 'cited_by_count': 30}, {'year': 2016, 'cited_by_count': 35}, {'year': 2015, 'cited_by_count': 32}, {'year': 2014, 'cited_by_count': 35}, {'year': 2013, 'cited_by_count': 43}, {'year': 2012, 'cited_by_count': 35}], 'updated_date': '2024-12-20T21:39:20.706633', 'created_date': '2016-06-24'}