{"id":"https://openalex.org/W2376424166","doi":null,"title":"Microwave-assisted synthesis of 4-methyl-coumarin derivatives","display_name":"Microwave-assisted synthesis of 4-methyl-coumarin derivatives","publication_year":2010,"publication_date":"2010-01-01","ids":{"openalex":"https://openalex.org/W2376424166","mag":"2376424166"},"language":"en","primary_location":{"id":"mag:2376424166","doi":null,"is_oa":false,"landing_page_url":"https://en.cnki.com.cn/Article_en/CJFDTOTAL-HXSJ201009007.htm","pdf_url":null,"source":{"id":"https://openalex.org/S2765036365","display_name":"Chemical Reagents","issn_l":"0258-3283","issn":["0258-3283"],"is_oa":false,"is_in_doaj":true,"is_core":false,"listed_in":["doaj"],"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":null,"is_accepted":false,"is_published":false,"raw_source_name":"Chemical Reagents","raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"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/A5005611577","display_name":"Kai Wang","orcid":"https://orcid.org/0000-0002-0873-6421","observed_orcids":["https://orcid.org/0000-0002-0873-6421"]},"institutions":[{"id":"https://openalex.org/I29739308","display_name":"Guangxi Normal University","ror":"https://ror.org/02frt9q65","country_code":"CN","type":"education","lineage":["https://openalex.org/I29739308"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Kai Wang","raw_affiliation_strings":["College of Chemistry and Chemical Engineering , Guangxi Normal University , Guilin 541004, China"],"raw_orcid":"https://orcid.org/0000-0002-0873-6421","affiliations":[{"raw_affiliation_string":"College of Chemistry and Chemical Engineering , Guangxi Normal University , Guilin 541004, China","institution_ids":["https://openalex.org/I29739308"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":["https://openalex.org/A5005611577"],"corresponding_institution_ids":["https://openalex.org/I29739308"],"apc_list":null,"apc_paid":null,"fwci":0.1491,"has_fulltext":false,"cited_by_count":5,"citation_normalized_percentile":{"value":0.50136814,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":95},"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12270","display_name":"Microwave-Assisted Synthesis and Applications","score":0.9071999788284302,"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/T12270","display_name":"Microwave-Assisted Synthesis and Applications","score":0.9071999788284302,"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/T13023","display_name":"Synthesis of Organic Compounds","score":0.06769999861717224,"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/T10274","display_name":"Heterocyclic Compound Synthesis and Bioactivity","score":0.016499999910593033,"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/microwave-assisted-synthesis","display_name":"microwave-assisted synthesis","score":0.9490000009536743},{"id":"https://openalex.org/keywords/pechmann-condensation","display_name":"Pechmann condensation","score":0.9789999723434448},{"id":"https://openalex.org/keywords/ethyl-acetoacetate","display_name":"ethyl acetoacetate","score":0.8270000219345093},{"id":"https://openalex.org/keywords/substituted-phenols","display_name":"substituted phenols","score":0.8820000290870667},{"id":"https://openalex.org/keywords/solvent-free-synthesis","display_name":"solvent-free synthesis","score":0.7929999828338623},{"id":"https://openalex.org/keywords/green-chemistry","display_name":"green chemistry","score":0.9279999732971191}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.9394574165344238},{"id":"https://openalex.org/C2781338262","wikidata":"https://www.wikidata.org/wiki/Q111812","display_name":"Coumarin","level":2,"score":0.9264774918556213},{"id":"https://openalex.org/C2776308844","wikidata":"https://www.wikidata.org/wiki/Q47192","display_name":"Ethyl acetoacetate","level":3,"score":0.8081960082054138},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.773492693901062},{"id":"https://openalex.org/C2777728882","wikidata":"https://www.wikidata.org/wiki/Q407142","display_name":"Phenols","level":2,"score":0.6642751693725586},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.6017626523971558},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.5913292169570923},{"id":"https://openalex.org/C44838205","wikidata":"https://www.wikidata.org/wiki/Q127995","display_name":"Microwave","level":2,"score":0.5431721210479736},{"id":"https://openalex.org/C2994067411","wikidata":"https://www.wikidata.org/wiki/Q125264","display_name":"Molar ratio","level":3,"score":0.5017013549804688},{"id":"https://openalex.org/C200093464","wikidata":"https://www.wikidata.org/wiki/Q166583","display_name":"Condensation","level":2,"score":0.49685242772102356},{"id":"https://openalex.org/C2780471494","wikidata":"https://www.wikidata.org/wiki/Q146505","display_name":"Solvent","level":2,"score":0.4277419447898865},{"id":"https://openalex.org/C13965031","wikidata":"https://www.wikidata.org/wiki/Q243545","display_name":"Nuclear chemistry","level":1,"score":0.4107975959777832},{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.0},{"id":"https://openalex.org/C191897082","wikidata":"https://www.wikidata.org/wiki/Q11467","display_name":"Metallurgy","level":1,"score":0.0},{"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/C97355855","wikidata":"https://www.wikidata.org/wiki/Q11473","display_name":"Thermodynamics","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2376424166","doi":null,"is_oa":false,"landing_page_url":"https://en.cnki.com.cn/Article_en/CJFDTOTAL-HXSJ201009007.htm","pdf_url":null,"source":{"id":"https://openalex.org/S2765036365","display_name":"Chemical Reagents","issn_l":"0258-3283","issn":["0258-3283"],"is_oa":false,"is_in_doaj":true,"is_core":false,"listed_in":["doaj"],"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":null,"is_accepted":false,"is_published":false,"raw_source_name":"Chemical Reagents","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2151849250","https://openalex.org/W1990959978","https://openalex.org/W2769149583","https://openalex.org/W3082434339","https://openalex.org/W1964715017","https://openalex.org/W2977656761","https://openalex.org/W2041240105","https://openalex.org/W2029886500","https://openalex.org/W2951589975","https://openalex.org/W2377708156"],"abstract_inverted_index":{"Four":[0],"4-methyl-coumarin":[1],"derivatives":[2],"were":[3],"synthesized":[4],"from":[5,51],"substituted":[6],"phenols":[7],"and":[8,30,36],"ethyl":[9],"acetoacetate":[10],"at":[11],"a":[12],"molar":[13],"ratio":[14],"of":[15],"1\u22361.5":[16],"via":[17],"the":[18,25,38,47],"Pechmann":[19],"condensation":[20],"reaction":[21,39],"using":[22],"NH4HSO4(12":[23],"mol%)as":[24],"catalyst":[26],"under":[27],"microwave":[28],"radiation":[29],"solvent-free":[31],"conditions.The":[32],"method":[33],"was":[34,41],"simple,green":[35],"efficient,and":[37],"time":[40],"shortened":[42],"to":[43,53],"10":[44],"min":[45],"with":[46],"product":[48],"yield":[49],"ranging":[50],"45%":[52],"88.4%.":[54]},"counts_by_year":[{"year":2023,"cited_by_count":1},{"year":2021,"cited_by_count":2},{"year":2015,"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"}
