{"id":"https://openalex.org/W1995414684","doi":"https://doi.org/10.1021/ja0263893","title":"Regiospecific Synthesis of Bicyclo- and Heterobicyclo-gem-difluorocyclobutenes Using Functionalized Fluoroallenes and a Novel Mo-Catalyzed Intramolecular [2 + 2] Cycloaddition Reaction","display_name":"Regiospecific Synthesis of Bicyclo- and Heterobicyclo-gem-difluorocyclobutenes Using Functionalized Fluoroallenes and a Novel Mo-Catalyzed Intramolecular [2 + 2] Cycloaddition Reaction","publication_year":2002,"publication_date":"2002-05-17","ids":{"openalex":"https://openalex.org/W1995414684","doi":"https://doi.org/10.1021/ja0263893","mag":"1995414684","pmid":"https://pubmed.ncbi.nlm.nih.gov/12047164"},"language":"en","primary_location":{"id":"doi:10.1021/ja0263893","doi":"https://doi.org/10.1021/ja0263893","is_oa":false,"landing_page_url":"https://doi.org/10.1021/ja0263893","pdf_url":null,"source":{"id":"https://openalex.org/S111155417","display_name":"Journal of the American Chemical Society","issn_l":"0002-7863","issn":["0002-7863","1520-5126","1943-2984"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American Chemical Society","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5109293087","display_name":"Qilong Shen","orcid":"https://orcid.org/0000-0001-5622-153X","observed_orcids":["https://orcid.org/0000-0001-5622-153X"]},"institutions":[{"id":"https://openalex.org/I100633361","display_name":"University of Massachusetts Dartmouth","ror":"https://ror.org/00fzmm222","country_code":"US","type":"education","lineage":["https://openalex.org/I100633361"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Qilong Shen","raw_affiliation_strings":["Department of Chemistry and Biochemistry, University of Massachusetts Dartmouth, North Dartmouth, Massachusetts 02747","Department of Chemistry and Biochemistry, University of Massachusetts-Dartmouth, North Dartmouth, Massachusetts 02747, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry and Biochemistry, University of Massachusetts Dartmouth, North Dartmouth, Massachusetts 02747","institution_ids":["https://openalex.org/I100633361"]},{"raw_affiliation_string":"Department of Chemistry and Biochemistry, University of Massachusetts-Dartmouth, North Dartmouth, Massachusetts 02747, USA","institution_ids":["https://openalex.org/I100633361"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5061002470","display_name":"Gerald B. Hammond","orcid":"https://orcid.org/0000-0002-9814-5536","observed_orcids":["https://orcid.org/0000-0002-9814-5536"]},"institutions":[{"id":"https://openalex.org/I100633361","display_name":"University of Massachusetts Dartmouth","ror":"https://ror.org/00fzmm222","country_code":"US","type":"education","lineage":["https://openalex.org/I100633361"]}],"countries":["US"],"is_corresponding":true,"raw_author_name":"Gerald B. Hammond","raw_affiliation_strings":["Department of Chemistry and Biochemistry, University of Massachusetts Dartmouth, North Dartmouth, Massachusetts 02747"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry and Biochemistry, University of Massachusetts Dartmouth, North Dartmouth, Massachusetts 02747","institution_ids":["https://openalex.org/I100633361"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5061002470"],"corresponding_institution_ids":["https://openalex.org/I100633361"],"apc_list":{"value":4500,"currency":"USD","value_usd":4500},"apc_paid":null,"fwci":7.2723,"has_fulltext":false,"cited_by_count":121,"citation_normalized_percentile":{"value":0.98774967,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":93,"max":99},"biblio":{"volume":"124","issue":"23","first_page":"6534","last_page":"6535"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10947","display_name":"Fluorine in Organic Chemistry","score":0.8812999725341797,"subfield":{"id":"https://openalex.org/subfields/3003","display_name":"Pharmaceutical Science"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},"topics":[{"id":"https://openalex.org/T10947","display_name":"Fluorine in Organic Chemistry","score":0.8812999725341797,"subfield":{"id":"https://openalex.org/subfields/3003","display_name":"Pharmaceutical Science"},"field":{"id":"https://openalex.org/fields/30","display_name":"Pharmacology, Toxicology and Pharmaceutics"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10871","display_name":"Catalytic Alkyne Reactions","score":0.055399999022483826,"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/T12893","display_name":"Organic Chemistry Cycloaddition Reactions","score":0.011900000274181366,"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/gem-difluorocyclopropanes","display_name":"gem-difluorocyclopropanes","score":0.781000018119812},{"id":"https://openalex.org/keywords/molybdenum-catalysis","display_name":"molybdenum catalysis","score":0.8220000267028809},{"id":"https://openalex.org/keywords/intramolecular-2-2-cycloaddition","display_name":"intramolecular [2+2] cycloaddition","score":0.9639999866485596},{"id":"https://openalex.org/keywords/regiospecific-synthesis","display_name":"regiospecific synthesis","score":0.8379999995231628},{"id":"https://openalex.org/keywords/organofluorine-synthesis","display_name":"organofluorine synthesis","score":0.6320000290870667}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.9324447512626648},{"id":"https://openalex.org/C2779664164","wikidata":"https://www.wikidata.org/wiki/Q898648","display_name":"Cycloaddition","level":3,"score":0.9303880929946899},{"id":"https://openalex.org/C24961977","wikidata":"https://www.wikidata.org/wiki/Q225972","display_name":"Bicyclic molecule","level":2,"score":0.928318440914154},{"id":"https://openalex.org/C75079739","wikidata":"https://www.wikidata.org/wiki/Q1571801","display_name":"Intramolecular force","level":2,"score":0.860236644744873},{"id":"https://openalex.org/C2778652500","wikidata":"https://www.wikidata.org/wiki/Q411369","display_name":"Allene","level":3,"score":0.7518976926803589},{"id":"https://openalex.org/C2779012754","wikidata":"https://www.wikidata.org/wiki/Q159226","display_name":"Alkyne","level":3,"score":0.6781096458435059},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.6518355011940002},{"id":"https://openalex.org/C172456720","wikidata":"https://www.wikidata.org/wiki/Q2945392","display_name":"Intramolecular reaction","level":3,"score":0.47823232412338257},{"id":"https://openalex.org/C71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","level":1,"score":0.4613281786441803},{"id":"https://openalex.org/C549387045","wikidata":"https://www.wikidata.org/wiki/Q1053","display_name":"Molybdenum","level":2,"score":0.42384225130081177},{"id":"https://openalex.org/C155647269","wikidata":"https://www.wikidata.org/wiki/Q243455","display_name":"Medicinal chemistry","level":1,"score":0.39514604210853577},{"id":"https://openalex.org/C21951064","wikidata":"https://www.wikidata.org/wiki/Q899212","display_name":"Combinatorial chemistry","level":1,"score":0.3476971387863159},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.15047553181648254}],"mesh":[{"descriptor_ui":"D000466","descriptor_name":"Alkadienes","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":true},{"descriptor_ui":"D003503","descriptor_name":"Cyclobutanes","qualifier_ui":"Q000138","qualifier_name":"chemical synthesis","is_major_topic":true},{"descriptor_ui":"D003503","descriptor_name":"Cyclobutanes","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D006845","descriptor_name":"Hydrocarbons, Fluorinated","qualifier_ui":"Q000138","qualifier_name":"chemical synthesis","is_major_topic":true},{"descriptor_ui":"D006845","descriptor_name":"Hydrocarbons, Fluorinated","qualifier_ui":"Q000737","qualifier_name":"chemistry","is_major_topic":false},{"descriptor_ui":"D007536","descriptor_name":"Isomerism","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D013379","descriptor_name":"Substrate Specificity","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D019086","descriptor_name":"Bridged Bicyclo Compounds, Heterocyclic","qualifier_ui":"Q000138","qualifier_name":"chemical synthesis","is_major_topic":true}],"locations_count":2,"locations":[{"id":"doi:10.1021/ja0263893","doi":"https://doi.org/10.1021/ja0263893","is_oa":false,"landing_page_url":"https://doi.org/10.1021/ja0263893","pdf_url":null,"source":{"id":"https://openalex.org/S111155417","display_name":"Journal of the American Chemical Society","issn_l":"0002-7863","issn":["0002-7863","1520-5126","1943-2984"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-a","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American Chemical Society","raw_type":"journal-article"},{"id":"pmid:12047164","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/12047164","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of the American Chemical Society","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1986762765","https://openalex.org/W1987450306","https://openalex.org/W2022460463","https://openalex.org/W2051961966","https://openalex.org/W2072685283","https://openalex.org/W2146862979","https://openalex.org/W2949647828","https://openalex.org/W2951499923","https://openalex.org/W4256561790"],"related_works":["https://openalex.org/W7125917948","https://openalex.org/W4390812245","https://openalex.org/W2950271723","https://openalex.org/W2139524175","https://openalex.org/W7122599193","https://openalex.org/W4381245407","https://openalex.org/W2949795476","https://openalex.org/W4220659614","https://openalex.org/W4407861145","https://openalex.org/W4404588908"],"abstract_inverted_index":{"The":[0],"first":[1],"synthesis":[2],"of":[3,26],"functionalized":[4],"gem-difluoroallenes":[5],"4":[6],"served":[7],"as":[8],"platform":[9],"for":[10],"an":[11],"unprecedented":[12],"molybdenum-catalyzed":[13],"intramolecular":[14],"allene-alkyne":[15],"[2":[16],"+":[17],"2]-cycloaddition":[18],"that":[19],"produced":[20],"6,":[21],"a":[22],"hitherto":[23],"unknown":[24],"class":[25],"bicyclo-":[27],"and":[28],"heterobicyclo-CF2-containing":[29],"cyclobutenes.":[30]},"counts_by_year":[{"year":2025,"cited_by_count":4},{"year":2024,"cited_by_count":5},{"year":2023,"cited_by_count":3},{"year":2022,"cited_by_count":3},{"year":2021,"cited_by_count":3},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":7},{"year":2018,"cited_by_count":2},{"year":2017,"cited_by_count":4},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":5},{"year":2013,"cited_by_count":6},{"year":2012,"cited_by_count":4}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
