Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2042929771', 'doi': 'https://doi.org/10.1016/s0022-328x(98)01051-1', 'title': 'Heterocycles via cyclization of alkynes promoted by organopalladium complexes', 'display_name': 'Heterocycles via cyclization of alkynes promoted by organopalladium complexes', 'publication_year': 1999, 'publication_date': '1999-03-01', 'ids': {'openalex': 'https://openalex.org/W2042929771', 'doi': 'https://doi.org/10.1016/s0022-328x(98)01051-1', 'mag': '2042929771'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/s0022-328x(98)01051-1', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S108008259', 'display_name': 'Journal of Organometallic Chemistry', 'issn_l': '0022-328X', 'issn': ['0022-328X', '1872-8561'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], '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/A5054903963', 'display_name': 'Sandro Cacchi', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I861853513', 'display_name': 'Sapienza University of Rome', 'ror': 'https://ror.org/02be6w209', 'country_code': 'IT', 'type': 'education', 'lineage': ['https://openalex.org/I861853513']}], 'countries': ['IT'], 'is_corresponding': True, 'raw_author_name': 'Sandro Cacchi', 'raw_affiliation_strings': ['Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive, Università La Sapienza, P.le A. Moro 5, I-00185 Roma, Italy'], 'affiliations': [{'raw_affiliation_string': 'Dipartimento di Studi di Chimica e Tecnologia delle Sostanze Biologicamente Attive, Università La Sapienza, P.le A. Moro 5, I-00185 Roma, Italy', 'institution_ids': ['https://openalex.org/I861853513']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': ['https://openalex.org/A5054903963'], 'corresponding_institution_ids': ['https://openalex.org/I861853513'], 'apc_list': {'value': 3600, 'currency': 'USD', 'value_usd': 3600, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 4.14, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 222, 'citation_normalized_percentile': {'value': 0.999942, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 98, 'max': 99}, 'biblio': {'volume': '576', 'issue': '1-2', 'first_page': '42', 'last_page': '64'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10871', 'display_name': 'Catalytic Alkyne Reactions', '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/T10871', 'display_name': 'Catalytic Alkyne Reactions', '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/T10354', 'display_name': 'Catalytic C–H Functionalization Methods', '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/T11611', 'display_name': 'Cyclopropane Reaction Mechanisms', 'score': 0.9992, '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/organopalladium', 'display_name': 'Organopalladium', 'score': 0.9904269}, {'id': 'https://openalex.org/keywords/reductive-elimination', 'display_name': 'Reductive elimination', 'score': 0.78438795}, {'id': 'https://openalex.org/keywords/nucleophilic-addition', 'display_name': 'Nucleophilic Addition', 'score': 0.5163073}, {'id': 'https://openalex.org/keywords/dabco', 'display_name': 'DABCO', 'score': 0.47263476}, {'id': 'https://openalex.org/keywords/triple-bond', 'display_name': 'Triple bond', 'score': 0.45826346}], 'concepts': [{'id': 'https://openalex.org/C2779348916', 'wikidata': 'https://www.wikidata.org/wiki/Q5492718', 'display_name': 'Organopalladium', 'level': 4, 'score': 0.9904269}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.9559232}, {'id': 'https://openalex.org/C178907741', 'wikidata': 'https://www.wikidata.org/wiki/Q745930', 'display_name': 'Nucleophile', 'level': 3, 'score': 0.864649}, {'id': 'https://openalex.org/C50027330', 'wikidata': 'https://www.wikidata.org/wiki/Q908086', 'display_name': 'Electrophile', 'level': 3, 'score': 0.8328593}, {'id': 'https://openalex.org/C2778815869', 'wikidata': 'https://www.wikidata.org/wiki/Q25325213', 'display_name': 'Reductive elimination', 'level': 3, 'score': 0.78438795}, {'id': 'https://openalex.org/C502130503', 'wikidata': 'https://www.wikidata.org/wiki/Q1089', 'display_name': 'Palladium', 'level': 3, 'score': 0.6250806}, {'id': 'https://openalex.org/C155647269', 'wikidata': 'https://www.wikidata.org/wiki/Q243455', 'display_name': 'Medicinal chemistry', 'level': 1, 'score': 0.5411652}, {'id': 'https://openalex.org/C20774148', 'wikidata': 'https://www.wikidata.org/wiki/Q901669', 'display_name': 'Nucleophilic addition', 'level': 3, 'score': 0.5163073}, {'id': 'https://openalex.org/C2781076698', 'wikidata': 'https://www.wikidata.org/wiki/Q718074', 'display_name': 'Aryl', 'level': 3, 'score': 0.51111966}, {'id': 'https://openalex.org/C161790260', 'wikidata': 'https://www.wikidata.org/wiki/Q82264', 'display_name': 'Catalysis', 'level': 2, 'score': 0.48913768}, {'id': 'https://openalex.org/C2775995839', 'wikidata': 'https://www.wikidata.org/wiki/Q423673', 'display_name': 'DABCO', 'level': 3, 'score': 0.47263476}, {'id': 'https://openalex.org/C196099240', 'wikidata': 'https://www.wikidata.org/wiki/Q177033', 'display_name': 'Triple bond', 'level': 3, 'score': 0.45826346}, {'id': 'https://openalex.org/C68381374', 'wikidata': 'https://www.wikidata.org/wiki/Q258652', 'display_name': 'Double bond', 'level': 2, 'score': 0.39677373}, {'id': 'https://openalex.org/C21951064', 'wikidata': 'https://www.wikidata.org/wiki/Q899212', 'display_name': 'Combinatorial chemistry', 'level': 1, 'score': 0.34689233}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.32643563}, {'id': 'https://openalex.org/C2780263894', 'wikidata': 'https://www.wikidata.org/wiki/Q335268', 'display_name': 'Alkyl', 'level': 2, 'score': 0.084212035}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/s0022-328x(98)01051-1', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S108008259', 'display_name': 'Journal of Organometallic Chemistry', 'issn_l': '0022-328X', 'issn': ['0022-328X', '1872-8561'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'score': 0.56, 'display_name': 'Clean water and sanitation', 'id': 'https://metadata.un.org/sdg/6'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 60, 'referenced_works': ['https://openalex.org/W1964792825', 'https://openalex.org/W1972921291', 'https://openalex.org/W1974358165', 'https://openalex.org/W1974578215', 'https://openalex.org/W1976121409', 'https://openalex.org/W1978502117', 'https://openalex.org/W1984286117', 'https://openalex.org/W1990454352', 'https://openalex.org/W1990762394', 'https://openalex.org/W1992735624', 'https://openalex.org/W2001614462', 'https://openalex.org/W2002384463', 'https://openalex.org/W2004935673', 'https://openalex.org/W2005395371', 'https://openalex.org/W2009448882', 'https://openalex.org/W2012141016', 'https://openalex.org/W2021226595', 'https://openalex.org/W2023213250', 'https://openalex.org/W2024524578', 'https://openalex.org/W2026834540', 'https://openalex.org/W2032395306', 'https://openalex.org/W2037335026', 'https://openalex.org/W2039545614', 'https://openalex.org/W2060124847', 'https://openalex.org/W2062767043', 'https://openalex.org/W2076289240', 'https://openalex.org/W2079769968', 'https://openalex.org/W2080499041', 'https://openalex.org/W2083884439', 'https://openalex.org/W2085003451', 'https://openalex.org/W2093194364', 'https://openalex.org/W2149523516', 'https://openalex.org/W2344528362', 'https://openalex.org/W2786556215', 'https://openalex.org/W289540297', 'https://openalex.org/W2949341431', 'https://openalex.org/W2949506095', 'https://openalex.org/W2949552769', 'https://openalex.org/W2949936785', 'https://openalex.org/W2950025171', 'https://openalex.org/W2950121888', 'https://openalex.org/W2950242998', 'https://openalex.org/W2950259522', 'https://openalex.org/W2950763667', 'https://openalex.org/W2950849042', 'https://openalex.org/W2950957627', 'https://openalex.org/W2951018336', 'https://openalex.org/W2951338315', 'https://openalex.org/W2951803313', 'https://openalex.org/W2952111351', 'https://openalex.org/W2952232250', 'https://openalex.org/W2952423659', 'https://openalex.org/W2952426398', 'https://openalex.org/W2952560556', 'https://openalex.org/W2953170672', 'https://openalex.org/W2953187429', 'https://openalex.org/W2953216727', 'https://openalex.org/W2953381971', 'https://openalex.org/W3004427708', 'https://openalex.org/W4241415519'], 'related_works': ['https://openalex.org/W2953294708', 'https://openalex.org/W2951503889', 'https://openalex.org/W2586130713', 'https://openalex.org/W2318349220', 'https://openalex.org/W2087376453', 'https://openalex.org/W2063838874', 'https://openalex.org/W2042929771', 'https://openalex.org/W2029003885', 'https://openalex.org/W2017422969', 'https://openalex.org/W1510032572'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2042929771', 'counts_by_year': [{'year': 2024, 'cited_by_count': 3}, {'year': 2023, 'cited_by_count': 2}, {'year': 2022, 'cited_by_count': 1}, {'year': 2021, 'cited_by_count': 1}, {'year': 2020, 'cited_by_count': 6}, {'year': 2019, 'cited_by_count': 4}, {'year': 2018, 'cited_by_count': 6}, {'year': 2017, 'cited_by_count': 4}, {'year': 2016, 'cited_by_count': 4}, {'year': 2015, 'cited_by_count': 8}, {'year': 2014, 'cited_by_count': 8}, {'year': 2013, 'cited_by_count': 12}, {'year': 2012, 'cited_by_count': 18}], 'updated_date': '2024-12-16T13:57:47.682328', 'created_date': '2016-06-24'}