{"id":"https://openalex.org/W1963803089","doi":"https://doi.org/10.1002/jhet.5570070318","title":"A new synthesis of substituted pyrazoles from 1,4\u2010dianions of phenylhydrazones having an \u03b1\u2010hydrogen","display_name":"A new synthesis of substituted pyrazoles from 1,4\u2010dianions of phenylhydrazones having an \u03b1\u2010hydrogen","publication_year":1970,"publication_date":"1970-06-01","ids":{"openalex":"https://openalex.org/W1963803089","doi":"https://doi.org/10.1002/jhet.5570070318","mag":"1963803089"},"language":"en","primary_location":{"id":"doi:10.1002/jhet.5570070318","doi":"https://doi.org/10.1002/jhet.5570070318","is_oa":false,"landing_page_url":"https://doi.org/10.1002/jhet.5570070318","pdf_url":null,"source":{"id":"https://openalex.org/S46134040","display_name":"Journal of Heterocyclic Chemistry","issn_l":"0022-152X","issn":["0022-152X","1943-5193"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-40","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Heterocyclic Chemistry","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/A5110921629","display_name":"Robert S. Foote","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I170897317","display_name":"Duke University","ror":"https://ror.org/00py81415","country_code":"US","type":"education","lineage":["https://openalex.org/I170897317"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Robert S. Foote","raw_affiliation_strings":["Paul M. Gross Chemical Laboratory, Duke University, Durham, N.C. 27706"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Paul M. Gross Chemical Laboratory, Duke University, Durham, N.C. 27706","institution_ids":["https://openalex.org/I170897317"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085807296","display_name":"Charles F. Beam","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I170897317","display_name":"Duke University","ror":"https://ror.org/00py81415","country_code":"US","type":"education","lineage":["https://openalex.org/I170897317"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Charles F. Beam","raw_affiliation_strings":["Paul M. Gross Chemical Laboratory, Duke University, Durham, N.C. 27706"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Paul M. Gross Chemical Laboratory, Duke University, Durham, N.C. 27706","institution_ids":["https://openalex.org/I170897317"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5011483028","display_name":"Charles R. Hauser","orcid":"https://orcid.org/0000-0003-2125-087X","observed_orcids":["https://orcid.org/0000-0003-2125-087X"]},"institutions":[{"id":"https://openalex.org/I170897317","display_name":"Duke University","ror":"https://ror.org/00py81415","country_code":"US","type":"education","lineage":["https://openalex.org/I170897317"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Charles R. Hauser","raw_affiliation_strings":["Deceased January 6, 1970","Paul M. Gross Chemical Laboratory, Duke University, Durham, N.C. 27706"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Deceased January 6, 1970","institution_ids":[]},{"raw_affiliation_string":"Paul M. Gross Chemical Laboratory, Duke University, Durham, N.C. 27706","institution_ids":["https://openalex.org/I170897317"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I170897317"],"apc_list":{"value":3400,"currency":"USD","value_usd":3400},"apc_paid":null,"fwci":2.1614,"has_fulltext":false,"cited_by_count":33,"citation_normalized_percentile":{"value":0.81391056,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":96},"biblio":{"volume":"7","issue":"3","first_page":"589","last_page":"592"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T12228","display_name":"Coordination Chemistry and Organometallics","score":0.5609999895095825,"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/T12228","display_name":"Coordination Chemistry and Organometallics","score":0.5609999895095825,"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/T13208","display_name":"Synthesis of heterocyclic compounds","score":0.18729999661445618,"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":0.12780000269412994,"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/substituted-pyrazoles","display_name":"substituted pyrazoles","score":0.9909999966621399},{"id":"https://openalex.org/keywords/phenylhydrazones","display_name":"phenylhydrazones","score":0.9940000176429749},{"id":"https://openalex.org/keywords/n-butyllithium","display_name":"n-butyllithium","score":0.8309999704360962},{"id":"https://openalex.org/keywords/condensation-cyclization","display_name":"condensation-cyclization","score":0.7390000224113464},{"id":"https://openalex.org/keywords/aromatic-esters","display_name":"aromatic esters","score":0.8029999732971191},{"id":"https://openalex.org/keywords/acid-catalyzed-cyclization","display_name":"acid-catalyzed cyclization","score":0.6859999895095825},{"id":"https://openalex.org/keywords/acetophenone","display_name":"acetophenone","score":0.7699999809265137},{"id":"https://openalex.org/keywords/deoxybenzoin","display_name":"deoxybenzoin","score":0.9169999957084656}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.9735182523727417},{"id":"https://openalex.org/C2775888733","wikidata":"https://www.wikidata.org/wiki/Q375112","display_name":"Acetophenone","level":3,"score":0.9096590280532837},{"id":"https://openalex.org/C2777682936","wikidata":"https://www.wikidata.org/wiki/Q408908","display_name":"Pyrazole","level":2,"score":0.8670355081558228},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.7759244441986084},{"id":"https://openalex.org/C2776701986","wikidata":"https://www.wikidata.org/wiki/Q278332","display_name":"Tetrahydrofuran","level":3,"score":0.710422158241272},{"id":"https://openalex.org/C2777738585","wikidata":"https://www.wikidata.org/wiki/Q170744","display_name":"Ketone","level":2,"score":0.6889570951461792},{"id":"https://openalex.org/C2778651986","wikidata":"https://www.wikidata.org/wiki/Q2515180","display_name":"Butyllithium","level":2,"score":0.5727486610412598},{"id":"https://openalex.org/C200093464","wikidata":"https://www.wikidata.org/wiki/Q166583","display_name":"Condensation","level":2,"score":0.5396011471748352},{"id":"https://openalex.org/C155647269","wikidata":"https://www.wikidata.org/wiki/Q243455","display_name":"Medicinal chemistry","level":1,"score":0.49534812569618225},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.49118778109550476},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.07768097519874573},{"id":"https://openalex.org/C2780471494","wikidata":"https://www.wikidata.org/wiki/Q146505","display_name":"Solvent","level":2,"score":0.07407242059707642},{"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/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"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":"doi:10.1002/jhet.5570070318","doi":"https://doi.org/10.1002/jhet.5570070318","is_oa":false,"landing_page_url":"https://doi.org/10.1002/jhet.5570070318","pdf_url":null,"source":{"id":"https://openalex.org/S46134040","display_name":"Journal of Heterocyclic Chemistry","issn_l":"0022-152X","issn":["0022-152X","1943-5193"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-c","jufo-1","norway-1","poland-40","russia-white-list-2","vabb-shw"],"host_organization":"https://openalex.org/P4310320595","host_organization_name":"Wiley","host_organization_lineage":["https://openalex.org/P4310320595"],"host_organization_lineage_names":["Wiley"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Journal of Heterocyclic Chemistry","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320337351","display_name":"National Cancer Institute","ror":"https://ror.org/040gcmg81"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":5,"referenced_works":["https://openalex.org/W2013192126","https://openalex.org/W2150896972","https://openalex.org/W2313835316","https://openalex.org/W2332253067","https://openalex.org/W2333354412"],"related_works":["https://openalex.org/W2016788776","https://openalex.org/W2088692434","https://openalex.org/W2157786090","https://openalex.org/W2015567626","https://openalex.org/W1997024227","https://openalex.org/W2144917690","https://openalex.org/W2605841845","https://openalex.org/W1989429130","https://openalex.org/W2014131822","https://openalex.org/W2952654680"],"abstract_inverted_index":{"Abstract":[0],"The":[1,50,71],"1,4\u2010dianions":[2],"of":[3,16,24,35,73],"acetophenone,":[4],"para\u2010substituted":[5],"acetophenones,":[6],"deoxybenzoin":[7],"and":[8,30,58,78],"dibenzyl":[9],"ketone":[10],"phenylhydrazone":[11,19],"were":[12],"prepared":[13],"by":[14,39],"treatment":[15],"the":[17,44,79,82],"respective":[18],"with":[20,32],"two":[21],"molecular":[22],"equivalents":[23],"n\u2010butyllithium":[25],"in":[26,47,84],"tetrahydrofuran\u2010hexane":[27],"at":[28],"0\u00b0":[29],"condensed":[31],"a":[33,56,63],"variety":[34],"aromatic":[36],"esters,":[37],"followed":[38],"acid":[40],"cyclization":[41],"to":[42,54],"give":[43],"substituted":[45],"pyrazole":[46,65,83],"good":[48],"yield.":[49,87],"synthesis":[51],"procedure":[52],"appears":[53],"be":[55],"convenient":[57],"unequivocal":[59],"method":[60],"for":[61],"preparing":[62],"particular":[64],"isomer":[66],"without":[67],"interfering":[68],"side":[69],"reactions.":[70],"1,4\u2010dianion":[72],"N,N\u2010diphenylsemicarbazone":[74],"was":[75],"also":[76],"prepared,":[77],"condensation\u2010cyclization":[80],"gave":[81],"somewhat":[85],"lower":[86]},"counts_by_year":[{"year":2015,"cited_by_count":2},{"year":2013,"cited_by_count":1}],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2016-06-24T00:00:00"}
