{"id":"https://openalex.org/W1973166166","doi":"https://doi.org/10.1080/00387010701301949","title":"Synthesis and Spectroscopic Structural Elucidation of New Quinoxaline Derivatives","display_name":"Synthesis and Spectroscopic Structural Elucidation of New Quinoxaline Derivatives","publication_year":2007,"publication_date":"2007-09-01","ids":{"openalex":"https://openalex.org/W1973166166","doi":"https://doi.org/10.1080/00387010701301949","mag":"1973166166"},"language":"en","primary_location":{"id":"doi:10.1080/00387010701301949","doi":"https://doi.org/10.1080/00387010701301949","is_oa":false,"landing_page_url":"https://doi.org/10.1080/00387010701301949","pdf_url":null,"source":{"id":"https://openalex.org/S37186612","display_name":"Spectroscopy Letters","issn_l":"0038-7010","issn":["0038-7010","1532-2289"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","jufo-1","norway-1","poland-20","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Spectroscopy Letters","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"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/A5067753735","display_name":"Nathan Tene Ghomsi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I126477371","display_name":"Mohammed V University","ror":"https://ror.org/00r8w8f84","country_code":"MA","type":"education","lineage":["https://openalex.org/I126477371"]}],"countries":["MA"],"is_corresponding":false,"raw_author_name":"Nathan Tene Ghomsi","raw_affiliation_strings":["Laboratoire de Chimie Organique H\u00e9t\u00e9rocyclique, P\u00f4le de Comp\u00e9tences Pharmacochimie, Universit\u00e9 Mohammed V, Facult\u00e9 des Sciences, Rabat, Morocco"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire de Chimie Organique H\u00e9t\u00e9rocyclique, P\u00f4le de Comp\u00e9tences Pharmacochimie, Universit\u00e9 Mohammed V, Facult\u00e9 des Sciences, Rabat, Morocco","institution_ids":["https://openalex.org/I126477371"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111735891","display_name":"N. H. Ahabchane","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I126477371","display_name":"Mohammed V University","ror":"https://ror.org/00r8w8f84","country_code":"MA","type":"education","lineage":["https://openalex.org/I126477371"]}],"countries":["MA"],"is_corresponding":false,"raw_author_name":"Nour\u2010Eddine Hammou Ahabchane","raw_affiliation_strings":["Laboratoire de Chimie Organique H\u00e9t\u00e9rocyclique, P\u00f4le de Comp\u00e9tences Pharmacochimie, Universit\u00e9 Mohammed V, Facult\u00e9 des Sciences, Rabat, Morocco"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire de Chimie Organique H\u00e9t\u00e9rocyclique, P\u00f4le de Comp\u00e9tences Pharmacochimie, Universit\u00e9 Mohammed V, Facult\u00e9 des Sciences, Rabat, Morocco","institution_ids":["https://openalex.org/I126477371"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5082850140","display_name":"Nour\u2010Eddine Es\u2010Safi","orcid":"https://orcid.org/0000-0001-9903-8129","observed_orcids":["https://orcid.org/0000-0001-9903-8129"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Nour\u2010Eddine Es\u2010Safi","raw_affiliation_strings":["Laboratoire de Chimie Organique et d'Etudes Physico\u2010Chimiques, P\u00f4le de Comp\u00e9tences Pharmacochimie, Ecole Normale Sup\u00e9rieure, Rabat, Morocco"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire de Chimie Organique et d'Etudes Physico\u2010Chimiques, P\u00f4le de Comp\u00e9tences Pharmacochimie, Ecole Normale Sup\u00e9rieure, Rabat, Morocco","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5046166858","display_name":"Bernard Garrigues","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I134560555","display_name":"Universit\u00e9 Toulouse III - Paul Sabatier","ror":"https://ror.org/02v6kpv12","country_code":"FR","type":"education","lineage":["https://openalex.org/I134560555","https://openalex.org/I4405258862"]},{"id":"https://openalex.org/I4210135875","display_name":"Laboratoire H\u00e9t\u00e9rochimie Fondamentale et Appliqu\u00e9e","ror":"https://ror.org/02v2svk17","country_code":"FR","type":"facility","lineage":["https://openalex.org/I1294671590","https://openalex.org/I4210128300","https://openalex.org/I4210135875","https://openalex.org/I4405258862"]}],"countries":["FR"],"is_corresponding":false,"raw_author_name":"Bernard Garrigues","raw_affiliation_strings":["Laboratoire H\u00e9t\u00e9rochimie Fondamentale et Appliqu\u00e9e, Universit\u00e9 Paul Sabatier, Toulouse, France"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire H\u00e9t\u00e9rochimie Fondamentale et Appliqu\u00e9e, Universit\u00e9 Paul Sabatier, Toulouse, France","institution_ids":["https://openalex.org/I134560555","https://openalex.org/I4210135875"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5037253405","display_name":"El Mokhtar Essassi","orcid":"https://orcid.org/0000-0002-1490-7522","observed_orcids":["https://orcid.org/0000-0002-1490-7522"]},"institutions":[{"id":"https://openalex.org/I126477371","display_name":"Mohammed V University","ror":"https://ror.org/00r8w8f84","country_code":"MA","type":"education","lineage":["https://openalex.org/I126477371"]},{"id":"https://openalex.org/I4210135377","display_name":"Hassan II Academy of Science and Technology","ror":"https://ror.org/03ymhqy66","country_code":"MA","type":"government","lineage":["https://openalex.org/I4210135377"]}],"countries":["MA"],"is_corresponding":false,"raw_author_name":"El Mokhtar Essassi","raw_affiliation_strings":["Laboratoire de Chimie Organique H\u00e9t\u00e9rocyclique, P\u00f4le de Comp\u00e9tences Pharmacochimie, Universit\u00e9 Mohammed V, Facult\u00e9 des Sciences, Rabat, Morocco ; Acad\u00e9mie Hassan II des Sciences et Techniques, Rabat, Morocco","Acad\u00e9mie Hassan II des Sciences et Techniques , Rabat, Morocco","Laboratoire de Chimie Organique H\u00e9t\u00e9rocyclique, P\u00f4le de Comp\u00e9tences Pharmacochimie , Universit\u00e9 Mohammed V, Facult\u00e9 des Sciences , Rabat, Morocco"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Laboratoire de Chimie Organique H\u00e9t\u00e9rocyclique, P\u00f4le de Comp\u00e9tences Pharmacochimie, Universit\u00e9 Mohammed V, Facult\u00e9 des Sciences, Rabat, Morocco ; Acad\u00e9mie Hassan II des Sciences et Techniques, Rabat, Morocco","institution_ids":["https://openalex.org/I126477371","https://openalex.org/I4210135377"]},{"raw_affiliation_string":"Acad\u00e9mie Hassan II des Sciences et Techniques , Rabat, Morocco","institution_ids":["https://openalex.org/I4210135377"]},{"raw_affiliation_string":"Laboratoire de Chimie Organique H\u00e9t\u00e9rocyclique, P\u00f4le de Comp\u00e9tences Pharmacochimie , Universit\u00e9 Mohammed V, Facult\u00e9 des Sciences , Rabat, Morocco","institution_ids":["https://openalex.org/I126477371"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":4,"corresponding_author_ids":["https://openalex.org/A5082850140"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":0.3409,"has_fulltext":false,"cited_by_count":10,"citation_normalized_percentile":{"value":0.52916583,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":96},"biblio":{"volume":"40","issue":"5","first_page":"741","last_page":"751"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13160","display_name":"Synthesis and Biological Evaluation","score":0.9976000189781189,"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/T13160","display_name":"Synthesis and Biological Evaluation","score":0.9976000189781189,"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/T12410","display_name":"Structural and Chemical Analysis of Organic and Inorganic Compounds","score":0.0010000000474974513,"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/T11746","display_name":"Inorganic and Organometallic Chemistry","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/1604","display_name":"Inorganic 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/quinoxaline-2-3-dione","display_name":"quinoxaline-2,3-dione","score":0.9440000057220459},{"id":"https://openalex.org/keywords/quinoxaline-derivatives","display_name":"quinoxaline derivatives","score":0.9789999723434448},{"id":"https://openalex.org/keywords/alkylation","display_name":"alkylation","score":0.8130000233650208},{"id":"https://openalex.org/keywords/phase-transfer-catalysis","display_name":"phase-transfer catalysis","score":0.9700000286102295},{"id":"https://openalex.org/keywords/regioselectivity","display_name":"regioselectivity","score":0.9760000109672546},{"id":"https://openalex.org/keywords/nitrogen-alkylation","display_name":"nitrogen alkylation","score":0.6830000281333923},{"id":"https://openalex.org/keywords/pyrazoles","display_name":"pyrazole derivatives","score":0.48500001430511475},{"id":"https://openalex.org/keywords/structure-elucidation","display_name":"structure elucidation","score":0.6579999923706055},{"id":"https://openalex.org/keywords/nmr-spectroscopy","display_name":"NMR spectroscopy","score":0.6359999775886536}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.9507964849472046},{"id":"https://openalex.org/C2780362310","wikidata":"https://www.wikidata.org/wiki/Q419930","display_name":"Quinoxaline","level":2,"score":0.8732472658157349},{"id":"https://openalex.org/C164361826","wikidata":"https://www.wikidata.org/wiki/Q177604","display_name":"Alkylation","level":3,"score":0.7126153111457825},{"id":"https://openalex.org/C59759590","wikidata":"https://www.wikidata.org/wiki/Q2275927","display_name":"Regioselectivity","level":3,"score":0.5646825432777405},{"id":"https://openalex.org/C108204754","wikidata":"https://www.wikidata.org/wiki/Q353392","display_name":"Adduct","level":2,"score":0.5417239665985107},{"id":"https://openalex.org/C66974803","wikidata":"https://www.wikidata.org/wiki/Q10359898","display_name":"Nuclear magnetic resonance spectroscopy","level":2,"score":0.5224843621253967},{"id":"https://openalex.org/C103319777","wikidata":"https://www.wikidata.org/wiki/Q1979695","display_name":"Proton NMR","level":2,"score":0.45554983615875244},{"id":"https://openalex.org/C163111631","wikidata":"https://www.wikidata.org/wiki/Q1952454","display_name":"Carbon-13 NMR","level":2,"score":0.45465800166130066},{"id":"https://openalex.org/C32891209","wikidata":"https://www.wikidata.org/wiki/Q483666","display_name":"Spectroscopy","level":2,"score":0.44314876198768616},{"id":"https://openalex.org/C54516573","wikidata":"https://www.wikidata.org/wiki/Q2294","display_name":"Proton","level":2,"score":0.43969494104385376},{"id":"https://openalex.org/C67787023","wikidata":"https://www.wikidata.org/wiki/Q6954755","display_name":"NMR spectra database","level":3,"score":0.4241962730884552},{"id":"https://openalex.org/C111771559","wikidata":"https://www.wikidata.org/wiki/Q66295","display_name":"Derivative (finance)","level":2,"score":0.4202851951122284},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.4163411855697632},{"id":"https://openalex.org/C111429119","wikidata":"https://www.wikidata.org/wiki/Q899127","display_name":"Chemical shift","level":2,"score":0.41072767972946167},{"id":"https://openalex.org/C147597530","wikidata":"https://www.wikidata.org/wiki/Q369472","display_name":"Computational chemistry","level":1,"score":0.35885515809059143},{"id":"https://openalex.org/C4839761","wikidata":"https://www.wikidata.org/wiki/Q212111","display_name":"Spectral line","level":2,"score":0.353525847196579},{"id":"https://openalex.org/C71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","level":1,"score":0.3501301407814026},{"id":"https://openalex.org/C147789679","wikidata":"https://www.wikidata.org/wiki/Q11372","display_name":"Physical chemistry","level":1,"score":0.2648804187774658},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.2274535596370697},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C1276947","wikidata":"https://www.wikidata.org/wiki/Q333","display_name":"Astronomy","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C106159729","wikidata":"https://www.wikidata.org/wiki/Q2294553","display_name":"Financial economics","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1080/00387010701301949","doi":"https://doi.org/10.1080/00387010701301949","is_oa":false,"landing_page_url":"https://doi.org/10.1080/00387010701301949","pdf_url":null,"source":{"id":"https://openalex.org/S37186612","display_name":"Spectroscopy Letters","issn_l":"0038-7010","issn":["0038-7010","1532-2289"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-d","jufo-1","norway-1","poland-20","russia-white-list-2"],"host_organization":"https://openalex.org/P4310320547","host_organization_name":"Taylor & Francis","host_organization_lineage":["https://openalex.org/P4310320547","https://openalex.org/P4310320449"],"host_organization_lineage_names":["Taylor & Francis","Informa"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Spectroscopy Letters","raw_type":"journal-article"},{"id":"pmh:oai:HAL:hal-00266303v1","doi":null,"is_oa":false,"landing_page_url":"https://hal.science/hal-00266303","pdf_url":null,"source":{"id":"https://openalex.org/S4306402512","display_name":"HAL","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I4405252976","host_organization_name":"Centre pour la Communication Scientifique Directe","host_organization_lineage":["https://openalex.org/I4405252976"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Spectroscopy Letters : An International Journal for Rapid Communication, 2007, 40, pp.741-751","raw_type":"info:eu-repo/semantics/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":13,"referenced_works":["https://openalex.org/W1716070931","https://openalex.org/W1856605954","https://openalex.org/W1970040267","https://openalex.org/W1992124741","https://openalex.org/W1993269726","https://openalex.org/W2033420264","https://openalex.org/W2038992349","https://openalex.org/W2047795221","https://openalex.org/W2061803830","https://openalex.org/W2088974386","https://openalex.org/W2117784959","https://openalex.org/W2334418554","https://openalex.org/W2951084559"],"related_works":["https://openalex.org/W7166827410","https://openalex.org/W6966732341","https://openalex.org/W2064244721","https://openalex.org/W2949318726","https://openalex.org/W2324545505","https://openalex.org/W2014856244","https://openalex.org/W2021753745","https://openalex.org/W2098968291","https://openalex.org/W2008084401","https://openalex.org/W2121094673"],"abstract_inverted_index":{"A":[0],"quinoxaline\u20102,3\u2010dione":[1],"derivative":[2],"was":[3,9,32,56,97],"synthesized,":[4],"and":[5,26,63,69,80,87],"its":[6,46],"chemical":[7],"structure":[8],"determined":[10],"through":[11,74,99],"spectral":[12],"analysis.":[13],"Alkylation":[14],"of":[15,52,61,67,76,93],"this":[16],"compound":[17],"under":[18],"phase":[19],"transfer":[20],"catalysis":[21],"(PTC)":[22],"conditions":[23],"yielded":[24],"monoalkylated":[25],"diakylated":[27],"adducts.":[28],"The":[29,49],"monolalkylation":[30],"process":[31],"shown":[33],"to":[34],"be":[35],"regioselective":[36],"occurring":[37],"on":[38,45],"the":[39,53,77,94],"quinoxalic":[40],"nitrogen":[41],"atom":[42],"rather":[43],"than":[44],"pyrazolic":[47],"analogue.":[48],"full":[50],"characterization":[51],"synthesized":[54],"compounds":[55],"studied":[57],"by":[58],"concerted":[59],"use":[60],"NMR":[62,82,90],"MS":[64],"techniques.":[65],"Assignments":[66],"proton":[68],"carbon":[70],"atoms":[71],"were":[72],"achieved":[73,98],"analysis":[75],"1D":[78],"1H":[79],"13C":[81],"spectra":[83],"combined":[84],"with":[85],"homo\u2010":[86],"hetero-nuclear":[88],"2D":[89],"experiments.":[91],"Determination":[92],"alkylation":[95],"site":[96],"long\u2010range":[100],"proton\u2013carbon":[101],"coupling":[102],"correlations":[103],"spectroscopy.":[104]},"counts_by_year":[{"year":2026,"cited_by_count":2},{"year":2017,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
