{"doi":"10.1002/jlac.1995199510266","title":"Synthesis of 5,8‐dimethoxy‐2(1<i>H</i>)‐quinolinones by intramolecular Wittig reaction","abstract":"<jats:title>Abstract</jats:title><jats:p>The title compounds <jats:bold>12</jats:bold>, which are key intermediates for antitumoral diazaquinomycin A analogues, are obtained by intramolecular Wittig reaction of 1‐[3′,6′‐dimethoxy‐2′‐(α‐oxoacylamino)phenyl]alkyltriphenylphosphonium salts <jats:bold>11</jats:bold>, which are prepared via lithiation of 2′,5′‐dimethoxy‐<jats:italic>N</jats:italic>‐pivaloylaniline <jats:bold>6.</jats:bold> The applicability of this route to polysubstituted 2(1<jats:italic>H</jats:italic>)‐quinolinones <jats:bold>12</jats:bold> and <jats:bold>17</jats:bold> is examined.</jats:p>","journal":"Liebigs Annalen","year":1995,"id":679821,"datarank":0.5955437870328184,"base_score":3.970291913552122,"endowment":3.970291913552122,"self_citation_contribution":0.5955437870328184,"citation_network_contribution":0.0,"self_endowment_contribution":0.5955437870328184,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":52,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":null,"is_data_producer":false,"deposit_databanks":null,"is_oa":false,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":null,"fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1776252,"name":"Carmen Avendaño","orcid":null,"position":1,"is_corresponding":false},{"id":1776254,"name":"Mónica Söllhuber","orcid":null,"position":2,"is_corresponding":false},{"id":1526123,"name":"Pedro Ferrer","orcid":null,"position":0,"is_corresponding":false}],"reference_count":0,"raw_metadata":{"has_enrichment":true,"resolved":true,"title":"Synthesis of 5,8‐dimethoxy‐2(1<i>H</i>)‐quinolinones by intramolecular Wittig reaction","abstract":"<jats:title>Abstract</jats:title><jats:p>The title compounds <jats:bold>12</jats:bold>, which are key intermediates for antitumoral diazaquinomycin A analogues, are obtained by intramolecular Wittig reaction of 1‐[3′,6′‐dimethoxy‐2′‐(α‐oxoacylamino)phenyl]alkyltriphenylphosphonium salts <jats:bold>11</jats:bold>, which are prepared via lithiation of 2′,5′‐dimethoxy‐<jats:italic>N</jats:italic>‐pivaloylaniline <jats:bold>6.</jats:bold> The applicability of this route to polysubstituted 2(1<jats:italic>H</jats:italic>)‐quinolinones <jats:bold>12</jats:bold> and <jats:bold>17</jats:bold> is examined.</jats:p>","is_dataset_classified":null,"base_score":3.970291913552122,"endowment":3.970291913552122,"datacite_reuse_total":0,"file_count":0,"downloads":0,"views":0,"has_version_chain":false,"is_dataset":false,"is_oa":false,"pmid":"26207759","pmcid":null,"openalex_id":"https://openalex.org/W2019732522","authors":[],"funders":[],"total_grants":0,"fwci":0.9807,"citation_percentile":0.70330027,"influential_citations":0,"citation_trend":[{"year":2012,"count":1},{"year":2013,"count":1},{"year":2014,"count":2},{"year":2016,"count":2},{"year":2017,"count":1},{"year":2020,"count":2}],"oa_status":"closed","license":"http://onlinelibrary.wiley.com/termsAndConditions#vor","oa_locations":[{"url":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Fjlac.1995199510266","host_type":"publisher"},{"url":"https://chemistry-europe.onlinelibrary.wiley.com/doi/pdf/10.1002/jlac.1995199510266","host_type":"publisher"},{"url":"https://doi.org/10.1002/jlac.1995199510266","host_type":"journal"}],"fields_of_study":["Synthetic Organic Chemistry Methods","Phosphorus compounds and reactions","Advanced Synthetic Organic Chemistry"],"mesh_terms":[],"keywords":["Wittig reaction","Intramolecular force","Chemistry","Combinatorial chemistry","Stereochemistry","Organic chemistry"],"sdg_mappings":[],"linked_datasets":[],"clinical_trials":[],"software_tools":[],"database_accessions":[],"source":"live","citation_network_status":"fetched"},"created_at":"2026-08-17T13:52:11.456001Z","pmid":null,"pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}