{"id":"https://openalex.org/W2953322894","doi":"https://doi.org/10.1016/0040-4039(90)80221-7","title":"Annulation of imidazolines: A 1,3-dipolar cycloaddition route to pyrroloimidazoles, pyrrolidines and pyrroles","display_name":"Annulation of imidazolines: A 1,3-dipolar cycloaddition route to pyrroloimidazoles, pyrrolidines and pyrroles","publication_year":1990,"publication_date":"1990-01-01","ids":{"openalex":"https://openalex.org/W2953322894","doi":"https://doi.org/10.1016/0040-4039(90)80221-7","mag":"2953322894"},"language":"en","primary_location":{"id":"doi:10.1016/0040-4039(90)80221-7","doi":"https://doi.org/10.1016/0040-4039(90)80221-7","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0040-4039(90)80221-7","pdf_url":null,"source":{"id":"https://openalex.org/S133942674","display_name":"Tetrahedron Letters","issn_l":"0040-4039","issn":["0040-4039","1873-3581"],"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","vabb-shw"],"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Tetrahedron Letters","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"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/A5103101837","display_name":"Raymond C. F. Jones","orcid":"https://orcid.org/0000-0001-9241-2309","observed_orcids":["https://orcid.org/0000-0001-9241-2309"]},"institutions":[{"id":"https://openalex.org/I142263535","display_name":"University of Nottingham","ror":"https://ror.org/01ee9ar58","country_code":"GB","type":"education","lineage":["https://openalex.org/I142263535"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Raymond C.F. Jones","raw_affiliation_strings":["(Chemistry Department, Nottingham University, Nottingham NG7 2RD, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"(Chemistry Department, Nottingham University, Nottingham NG7 2RD, U.K","institution_ids":["https://openalex.org/I142263535"]}]},{"author_position":"middle","author":{"id":null,"display_name":"John R. Nichols","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I142263535","display_name":"University of Nottingham","ror":"https://ror.org/01ee9ar58","country_code":"GB","type":"education","lineage":["https://openalex.org/I142263535"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"John R. Nichols","raw_affiliation_strings":["(Chemistry Department, Nottingham University, Nottingham NG7 2RD, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"(Chemistry Department, Nottingham University, Nottingham NG7 2RD, U.K","institution_ids":["https://openalex.org/I142263535"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5083269407","display_name":"Michael T. Cox","orcid":null,"observed_orcids":[]},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Michael T. Cox","raw_affiliation_strings":["(ICI Pharmaceuticals, Mereside, Alderley Park, Macclesfield, Cheshire SK10 4TG, U.K"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"(ICI Pharmaceuticals, Mereside, Alderley Park, Macclesfield, Cheshire SK10 4TG, U.K","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":{"value":3610,"currency":"USD","value_usd":3610},"apc_paid":null,"fwci":1.37,"has_fulltext":false,"cited_by_count":34,"citation_normalized_percentile":{"value":0.7924079,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":94},"biblio":{"volume":"31","issue":"16","first_page":"2333","last_page":"2336"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12562","display_name":"Synthesis and Characterization of Pyrroles","score":0.6820999979972839,"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/T12562","display_name":"Synthesis and Characterization of Pyrroles","score":0.6820999979972839,"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/T14459","display_name":"Synthesis and Reactions of Organic Compounds","score":0.08820000290870667,"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/T13230","display_name":"Synthesis and Reactivity of Heterocycles","score":0.05909999832510948,"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/imidazoline","display_name":"imidazoline","score":0.8659999966621399},{"id":"https://openalex.org/keywords/azomethine-ylides","display_name":"azomethine ylides","score":0.9279999732971191},{"id":"https://openalex.org/keywords/1-3-dipolar-cycloaddition","display_name":"1,3-dipolar cycloaddition","score":0.9639999866485596},{"id":"https://openalex.org/keywords/pyrrolidine","display_name":"pyrrolidine","score":0.9350000023841858},{"id":"https://openalex.org/keywords/pyrrole","display_name":"pyrrole","score":0.9990000128746033},{"id":"https://openalex.org/keywords/imidazolinium-salts","display_name":"imidazolinium salts","score":0.9589999914169312},{"id":"https://openalex.org/keywords/dipolarophiles","display_name":"dipolarophiles","score":0.8970000147819519},{"id":"https://openalex.org/keywords/2-chloroacrylonitrile","display_name":"2-chloroacrylonitrile","score":0.9789999723434448},{"id":"https://openalex.org/keywords/ring-annulation","display_name":"ring annulation","score":0.5350000262260437}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.9492400884628296},{"id":"https://openalex.org/C2779664164","wikidata":"https://www.wikidata.org/wiki/Q898648","display_name":"Cycloaddition","level":3,"score":0.8900172710418701},{"id":"https://openalex.org/C7512685","wikidata":"https://www.wikidata.org/wiki/Q529093","display_name":"Annulation","level":3,"score":0.8492906093597412},{"id":"https://openalex.org/C2777419590","wikidata":"https://www.wikidata.org/wiki/Q902907","display_name":"1,3-Dipolar cycloaddition","level":4,"score":0.6632094383239746},{"id":"https://openalex.org/C88264902","wikidata":"https://www.wikidata.org/wiki/Q17014682","display_name":"Azomethine ylide","level":5,"score":0.5272138118743896},{"id":"https://openalex.org/C21951064","wikidata":"https://www.wikidata.org/wiki/Q899212","display_name":"Combinatorial chemistry","level":1,"score":0.5106609463691711},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.4333556294441223},{"id":"https://openalex.org/C155647269","wikidata":"https://www.wikidata.org/wiki/Q243455","display_name":"Medicinal chemistry","level":1,"score":0.35325759649276733},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.2460399568080902}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1016/0040-4039(90)80221-7","doi":"https://doi.org/10.1016/0040-4039(90)80221-7","is_oa":false,"landing_page_url":"https://doi.org/10.1016/0040-4039(90)80221-7","pdf_url":null,"source":{"id":"https://openalex.org/S133942674","display_name":"Tetrahedron Letters","issn_l":"0040-4039","issn":["0040-4039","1873-3581"],"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","vabb-shw"],"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":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Tetrahedron Letters","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":14,"referenced_works":["https://openalex.org/W1969310081","https://openalex.org/W1981509718","https://openalex.org/W1986839542","https://openalex.org/W2005835349","https://openalex.org/W2007059993","https://openalex.org/W2008293152","https://openalex.org/W2016545858","https://openalex.org/W2019535067","https://openalex.org/W2026963424","https://openalex.org/W2038798507","https://openalex.org/W2045385069","https://openalex.org/W2057406078","https://openalex.org/W2082403881","https://openalex.org/W2953350143"],"related_works":["https://openalex.org/W2024486370","https://openalex.org/W2152474958","https://openalex.org/W2952603210","https://openalex.org/W2138640125","https://openalex.org/W2024515115","https://openalex.org/W2949651705","https://openalex.org/W2084978091","https://openalex.org/W6926246095","https://openalex.org/W2058600965","https://openalex.org/W2893763696"],"abstract_inverted_index":null,"counts_by_year":[{"year":2021,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-09-29T14:09:16.559479","created_date":"2019-06-27T00:00:00"}