{"id":"https://openalex.org/W2033959321","doi":"https://doi.org/10.1246/cl.1987.223","title":"Two-Step Synthesis of Furans by Mn(III)-Promoted Annulation of Enol Ethers","display_name":"Two-Step Synthesis of Furans by Mn(III)-Promoted Annulation of Enol Ethers","publication_year":1987,"publication_date":"1987-01-01","ids":{"openalex":"https://openalex.org/W2033959321","doi":"https://doi.org/10.1246/cl.1987.223","mag":"2033959321","pmid":"https://pubmed.ncbi.nlm.nih.gov/31595102","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/6781872"},"language":"en","primary_location":{"id":"doi:10.1246/cl.1987.223","doi":"https://doi.org/10.1246/cl.1987.223","is_oa":false,"landing_page_url":"https://doi.org/10.1246/cl.1987.223","pdf_url":null,"source":{"id":"https://openalex.org/S90825563","display_name":"Chemistry Letters","issn_l":"0366-7022","issn":["0366-7022","1348-0715"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","ki-jl-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Chemistry Letters","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/6781872","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5062182194","display_name":"Elias James Corey","orcid":"https://orcid.org/0000-0002-1196-7896","observed_orcids":["https://orcid.org/0000-0002-1196-7896"]},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"E J Corey","raw_affiliation_strings":["Department of Chemistry, Harvard University","Department of Chemistry Harvard University 12 Oxford Street Cambridge, MA 02138, U.S.A"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry, Harvard University","institution_ids":["https://openalex.org/I136199984"]},{"raw_affiliation_string":"Department of Chemistry Harvard University 12 Oxford Street Cambridge, MA 02138, U.S.A","institution_ids":["https://openalex.org/I136199984"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5041773055","display_name":"Arun Kumar Ghosh","orcid":"https://orcid.org/0000-0003-2472-1841","observed_orcids":["https://orcid.org/0000-0003-2472-1841"]},"institutions":[{"id":"https://openalex.org/I136199984","display_name":"Harvard University","ror":"https://ror.org/03vek6s52","country_code":"US","type":"education","lineage":["https://openalex.org/I136199984"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Arun K Ghosh","raw_affiliation_strings":["Department of Chemistry, Harvard University","Department of Chemistry Harvard University 12 Oxford Street Cambridge, MA 02138, U.S.A"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry, Harvard University","institution_ids":["https://openalex.org/I136199984"]},{"raw_affiliation_string":"Department of Chemistry Harvard University 12 Oxford Street Cambridge, MA 02138, U.S.A","institution_ids":["https://openalex.org/I136199984"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I136199984"],"apc_list":{"value":150000,"currency":"JPY","value_usd":1003},"apc_paid":null,"fwci":2.1633,"has_fulltext":false,"cited_by_count":47,"citation_normalized_percentile":{"value":0.83768385,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":"16","issue":"1","first_page":"223","last_page":"226"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13859","display_name":"Organic Chemistry Synthesis Methods","score":0.9419000148773193,"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/T13859","display_name":"Organic Chemistry Synthesis Methods","score":0.9419000148773193,"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/T10871","display_name":"Catalytic Alkyne Reactions","score":0.04089999943971634,"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/T10013","display_name":"Asymmetric Synthesis and Catalysis","score":0.004900000058114529,"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/furan-synthesis","display_name":"furan synthesis","score":0.9599999785423279},{"id":"https://openalex.org/keywords/enol-ethers","display_name":"enol ethers","score":0.7179999947547913},{"id":"https://openalex.org/keywords/1-3-dicarbonyl-compounds","display_name":"1,3-dicarbonyl compounds","score":0.8610000014305115},{"id":"https://openalex.org/keywords/annulation","display_name":"annulation","score":0.8769999742507935},{"id":"https://openalex.org/keywords/two-step-synthesis","display_name":"two-step synthesis","score":0.5709999799728394}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.9802678823471069},{"id":"https://openalex.org/C7512685","wikidata":"https://www.wikidata.org/wiki/Q529093","display_name":"Annulation","level":3,"score":0.9232565760612488},{"id":"https://openalex.org/C2777495281","wikidata":"https://www.wikidata.org/wiki/Q408053","display_name":"Enol","level":3,"score":0.891476035118103},{"id":"https://openalex.org/C40875361","wikidata":"https://www.wikidata.org/wiki/Q2356542","display_name":"Reagent","level":2,"score":0.8465160131454468},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.5650732517242432},{"id":"https://openalex.org/C90150868","wikidata":"https://www.wikidata.org/wiki/Q39513","display_name":"Alkoxy group","level":3,"score":0.5631304383277893},{"id":"https://openalex.org/C2781200603","wikidata":"https://www.wikidata.org/wiki/Q420217","display_name":"Enol ether","level":3,"score":0.5490010380744934},{"id":"https://openalex.org/C155647269","wikidata":"https://www.wikidata.org/wiki/Q243455","display_name":"Medicinal chemistry","level":1,"score":0.4705893099308014},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.4132747948169708},{"id":"https://openalex.org/C2780263894","wikidata":"https://www.wikidata.org/wiki/Q335268","display_name":"Alkyl","level":2,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1246/cl.1987.223","doi":"https://doi.org/10.1246/cl.1987.223","is_oa":false,"landing_page_url":"https://doi.org/10.1246/cl.1987.223","pdf_url":null,"source":{"id":"https://openalex.org/S90825563","display_name":"Chemistry Letters","issn_l":"0366-7022","issn":["0366-7022","1348-0715"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","jufo-1","ki-jl-1","norway-1","poland-70","russia-white-list-2"],"host_organization":"https://openalex.org/P4310311648","host_organization_name":"Oxford University Press","host_organization_lineage":["https://openalex.org/P4310311648","https://openalex.org/P4310311647"],"host_organization_lineage_names":["Oxford University Press","University of Oxford"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Chemistry Letters","raw_type":"journal-article"},{"id":"pmid:31595102","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/31595102","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":"Chemistry letters","raw_type":"Journal Article"},{"id":"pmh:oai:pubmedcentral.nih.gov:6781872","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/6781872","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"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":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"Chem Lett","raw_type":"Text"}],"best_oa_location":{"id":"pmh:oai:pubmedcentral.nih.gov:6781872","doi":null,"is_oa":true,"landing_page_url":"https://www.ncbi.nlm.nih.gov/pmc/articles/6781872","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"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":"acceptedVersion","is_accepted":true,"is_published":false,"raw_source_name":"Chem Lett","raw_type":"Text"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G5450191559","display_name":"DESIGN AND SYNTHESIS OF NONPEPTIDE PROTEASE INHIBITORS","funder_award_id":"R01GM053386","funder_id":"https://openalex.org/F4320337354","funder_display_name":"National Institute of General Medical Sciences"}],"funders":[{"id":"https://openalex.org/F4320337354","display_name":"National Institute of General Medical Sciences","ror":"https://ror.org/04q48ey07"}],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W1988304287","https://openalex.org/W2037725533","https://openalex.org/W2056430410","https://openalex.org/W2072310058","https://openalex.org/W2072415204"],"related_works":["https://openalex.org/W2952534402","https://openalex.org/W1975357049","https://openalex.org/W2952136093","https://openalex.org/W2117662966","https://openalex.org/W1992482914","https://openalex.org/W4239895294","https://openalex.org/W2949162222","https://openalex.org/W6958195370","https://openalex.org/W2026116086","https://openalex.org/W2950646472"],"abstract_inverted_index":{"Abstract":[0],"Enol":[1],"ethers,":[2],"\u03b2-dicarbonyl":[3],"compounds":[4],"and":[5],"the":[6],"Mn(III)":[7],"reagent":[8],"Mn3O(OAc)7":[9],"react":[10],"under":[11],"mild":[12],"conditions":[13],"to":[14,26],"form":[15],"1-alkoxy-1.2-dihydrofurans":[16],"in":[17],"good":[18],"(70\u201398%)":[19],"yields.":[20],"The":[21],"latter":[22],"are":[23],"readily":[24],"converted":[25],"furans":[27],"by":[28],"acid-catalyzed":[29],"elimination":[30],"of":[31],"ROH.":[32]},"counts_by_year":[{"year":2025,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2019,"cited_by_count":1},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":4},{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":2}],"updated_date":"2026-10-28T10:33:24.094632","created_date":"2016-06-24T00:00:00"}