{"id":"https://openalex.org/W2117906985","doi":"https://doi.org/10.1002/jccs.201100383","title":"Pyrazinium Di(hydrogen sulfate) as a Novel, Highly Efficient and Homogeneous Catalyst for the Condensation of Enolizable Ketones with Aldehydes, Acetonitrile and Acetyl Chloride","display_name":"Pyrazinium Di(hydrogen sulfate) as a Novel, Highly Efficient and Homogeneous Catalyst for the Condensation of Enolizable Ketones with Aldehydes, Acetonitrile and Acetyl Chloride","publication_year":2012,"publication_date":"2012-01-23","ids":{"openalex":"https://openalex.org/W2117906985","doi":"https://doi.org/10.1002/jccs.201100383","mag":"2117906985"},"language":"en","primary_location":{"id":"doi:10.1002/jccs.201100383","doi":"https://doi.org/10.1002/jccs.201100383","is_oa":false,"landing_page_url":"https://doi.org/10.1002/jccs.201100383","pdf_url":null,"source":{"id":"https://openalex.org/S5649782","display_name":"Journal of the Chinese Chemical Society","issn_l":"0009-4536","issn":["0009-4536","2192-6549"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","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 the Chinese Chemical Society","raw_type":"journal-article"},"parent_works":[],"lineage":["https://openalex.org/W2117906985"],"child_works_count":0,"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/A5083162026","display_name":"Ardeshir Khazaei","orcid":"https://orcid.org/0000-0001-7990-2266","observed_orcids":["https://orcid.org/0000-0001-7990-2266"]},"institutions":[{"id":"https://openalex.org/I167694869","display_name":"Bu-Ali Sina University","ror":"https://ror.org/04ka8rx28","country_code":"IR","type":"education","lineage":["https://openalex.org/I167694869"]}],"countries":["IR"],"is_corresponding":true,"raw_author_name":"Ardeshir Khazaei","raw_affiliation_strings":["Faculty of Chemistry, Bu-Ali Sina University, Hamedan, 6517838683, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Chemistry, Bu-Ali Sina University, Hamedan, 6517838683, Iran","institution_ids":["https://openalex.org/I167694869"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5001909522","display_name":"Mohammad Ali Zolfigol","orcid":"https://orcid.org/0000-0002-4970-8646","observed_orcids":["https://orcid.org/0000-0002-4970-8646"]},"institutions":[{"id":"https://openalex.org/I167694869","display_name":"Bu-Ali Sina University","ror":"https://ror.org/04ka8rx28","country_code":"IR","type":"education","lineage":["https://openalex.org/I167694869"]}],"countries":["IR"],"is_corresponding":true,"raw_author_name":"Mohammad Ali Zolfigol","raw_affiliation_strings":["Faculty of Chemistry, Bu-Ali Sina University, Hamedan, 6517838683, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Chemistry, Bu-Ali Sina University, Hamedan, 6517838683, Iran","institution_ids":["https://openalex.org/I167694869"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5032892283","display_name":"Mohammad Mokhlesi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I167694869","display_name":"Bu-Ali Sina University","ror":"https://ror.org/04ka8rx28","country_code":"IR","type":"education","lineage":["https://openalex.org/I167694869"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Mohammad Mokhlesi","raw_affiliation_strings":["Faculty of Chemistry, Bu-Ali Sina University, Hamedan, 6517838683, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Chemistry, Bu-Ali Sina University, Hamedan, 6517838683, Iran","institution_ids":["https://openalex.org/I167694869"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5085360206","display_name":"Abdolkarim Zare","orcid":"https://orcid.org/0000-0002-8210-3155","observed_orcids":["https://orcid.org/0000-0002-8210-3155"]},"institutions":[{"id":"https://openalex.org/I55547365","display_name":"Payame Noor University","ror":"https://ror.org/031699d98","country_code":"IR","type":"education","lineage":["https://openalex.org/I55547365"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Abdolkarim Zare","raw_affiliation_strings":["Chemistry Department, Payame Noor University, 19395-4697 Tehran, I.R. of Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chemistry Department, Payame Noor University, 19395-4697 Tehran, I.R. of Iran","institution_ids":["https://openalex.org/I55547365"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5111968305","display_name":"Fateme Derakhshan\u2010Panah","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I167694869","display_name":"Bu-Ali Sina University","ror":"https://ror.org/04ka8rx28","country_code":"IR","type":"education","lineage":["https://openalex.org/I167694869"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Fatemeh Derakhshan\u2010Panah","raw_affiliation_strings":["Faculty of Chemistry, Bu-Ali Sina University, Hamedan, 6517838683, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Chemistry, Bu-Ali Sina University, Hamedan, 6517838683, Iran","institution_ids":["https://openalex.org/I167694869"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5006241684","display_name":"Maria Merajoddin","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I55547365","display_name":"Payame Noor University","ror":"https://ror.org/031699d98","country_code":"IR","type":"education","lineage":["https://openalex.org/I55547365"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Maria Merajoddin","raw_affiliation_strings":["Chemistry Department, Payame Noor University, 19395-4697 Tehran, I.R. of Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Chemistry Department, Payame Noor University, 19395-4697 Tehran, I.R. of Iran","institution_ids":["https://openalex.org/I55547365"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5056103276","display_name":"Hassan Keypour","orcid":"https://orcid.org/0000-0001-9973-241X","observed_orcids":["https://orcid.org/0000-0001-9973-241X"]},"institutions":[{"id":"https://openalex.org/I167694869","display_name":"Bu-Ali Sina University","ror":"https://ror.org/04ka8rx28","country_code":"IR","type":"education","lineage":["https://openalex.org/I167694869"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Hassan Keypour","raw_affiliation_strings":["Faculty of Chemistry, Bu-Ali Sina University, Hamedan, 6517838683, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Chemistry, Bu-Ali Sina University, Hamedan, 6517838683, Iran","institution_ids":["https://openalex.org/I167694869"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035055402","display_name":"Ahmad Ali Dehghani\u2010Firouzabadi","orcid":"https://orcid.org/0000-0003-1658-4322","observed_orcids":["https://orcid.org/0000-0003-1658-4322"]},"institutions":[{"id":"https://openalex.org/I112536369","display_name":"Yazd University","ror":"https://ror.org/02x99ac45","country_code":"IR","type":"education","lineage":["https://openalex.org/I112536369"]}],"countries":["IR"],"is_corresponding":false,"raw_author_name":"Ahmad Ali Dehghani\u2010Firouzabadi","raw_affiliation_strings":["Department of Chemistry, Yazd University, Yazd 89195741, Iran"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry, Yazd University, Yazd 89195741, Iran","institution_ids":["https://openalex.org/I112536369"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5001909522","https://openalex.org/A5083162026"],"corresponding_institution_ids":["https://openalex.org/I167694869"],"apc_list":{"value":3470,"currency":"USD","value_usd":3470},"apc_paid":null,"fwci":0.2734,"has_fulltext":false,"cited_by_count":2,"citation_normalized_percentile":{"value":0.48641497,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"59","issue":"2","first_page":"199","last_page":"207"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10817","display_name":"Multicomponent Synthesis of Heterocycles","score":0.9429000020027161,"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/T10817","display_name":"Multicomponent Synthesis of Heterocycles","score":0.9429000020027161,"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/T11831","display_name":"Chemical Synthesis and Reactions","score":0.05570000037550926,"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/T10013","display_name":"Asymmetric Synthesis and Catalysis","score":0.0006000000284984708,"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/solid-acid-catalysts","display_name":"solid acid catalysts","score":0.8679999709129333},{"id":"https://openalex.org/keywords/homogeneous-catalysis","display_name":"homogeneous catalysis","score":0.7289999723434448},{"id":"https://openalex.org/keywords/beta-acetamido-ketones","display_name":"\u03b2-acetamido ketones","score":0.9490000009536743},{"id":"https://openalex.org/keywords/enolizable-ketones","display_name":"enolizable ketones","score":0.8190000057220459},{"id":"https://openalex.org/keywords/aldehydes","display_name":"aldehydes","score":0.7749999761581421},{"id":"https://openalex.org/keywords/acetonitrile","display_name":"acetonitrile","score":0.9909999966621399},{"id":"https://openalex.org/keywords/acetyl-chloride","display_name":"acetyl chloride","score":0.9750000238418579},{"id":"https://openalex.org/keywords/green-chemistry","display_name":"green chemistry","score":0.6150000095367432}],"concepts":[{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.9687895774841309},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.7224449515342712},{"id":"https://openalex.org/C2777738585","wikidata":"https://www.wikidata.org/wiki/Q170744","display_name":"Ketone","level":2,"score":0.6909618377685547},{"id":"https://openalex.org/C2777463227","wikidata":"https://www.wikidata.org/wiki/Q408047","display_name":"Acetonitrile","level":2,"score":0.686290979385376},{"id":"https://openalex.org/C2780263894","wikidata":"https://www.wikidata.org/wiki/Q335268","display_name":"Alkyl","level":2,"score":0.6126776933670044},{"id":"https://openalex.org/C200093464","wikidata":"https://www.wikidata.org/wiki/Q166583","display_name":"Condensation","level":2,"score":0.6117229461669922},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.5799387693405151},{"id":"https://openalex.org/C2778695967","wikidata":"https://www.wikidata.org/wiki/Q44791900","display_name":"Chloride","level":2,"score":0.5207876563072205},{"id":"https://openalex.org/C2781087020","wikidata":"https://www.wikidata.org/wiki/Q211086","display_name":"Hydrogen chloride","level":2,"score":0.49967312812805176},{"id":"https://openalex.org/C2778343803","wikidata":"https://www.wikidata.org/wiki/Q172290","display_name":"Sulfate","level":2,"score":0.45098787546157837},{"id":"https://openalex.org/C2778502040","wikidata":"https://www.wikidata.org/wiki/Q250437","display_name":"Sulfonic acid","level":2,"score":0.4308859705924988},{"id":"https://openalex.org/C2780978688","wikidata":"https://www.wikidata.org/wiki/Q408038","display_name":"Acetyl chloride","level":3,"score":0.4219065010547638},{"id":"https://openalex.org/C2776371256","wikidata":"https://www.wikidata.org/wiki/Q12370","display_name":"Salt (chemistry)","level":2,"score":0.41379520297050476},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","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/jccs.201100383","doi":"https://doi.org/10.1002/jccs.201100383","is_oa":false,"landing_page_url":"https://doi.org/10.1002/jccs.201100383","pdf_url":null,"source":{"id":"https://openalex.org/S5649782","display_name":"Journal of the Chinese Chemical Society","issn_l":"0009-4536","issn":["0009-4536","2192-6549"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["cwts-core","dongbi-d","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 the Chinese Chemical Society","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":61,"referenced_works":["https://openalex.org/W1965815248","https://openalex.org/W1966080585","https://openalex.org/W1967789331","https://openalex.org/W1971450678","https://openalex.org/W1977540387","https://openalex.org/W1978445415","https://openalex.org/W1980832749","https://openalex.org/W1984236041","https://openalex.org/W1985972338","https://openalex.org/W1990789177","https://openalex.org/W1994900695","https://openalex.org/W2015206910","https://openalex.org/W2028324925","https://openalex.org/W2028565980","https://openalex.org/W2034356428","https://openalex.org/W2037978991","https://openalex.org/W2040815941","https://openalex.org/W2041054353","https://openalex.org/W2043011917","https://openalex.org/W2048846958","https://openalex.org/W2053671871","https://openalex.org/W2057609149","https://openalex.org/W2066223185","https://openalex.org/W2085872854","https://openalex.org/W2086186780","https://openalex.org/W2092003351","https://openalex.org/W2094172618","https://openalex.org/W2094636370","https://openalex.org/W2099306782","https://openalex.org/W2109421430","https://openalex.org/W2111677437","https://openalex.org/W2118214748","https://openalex.org/W2122652660","https://openalex.org/W2129299583","https://openalex.org/W2139651630","https://openalex.org/W2147125813","https://openalex.org/W2158038248","https://openalex.org/W2159151178","https://openalex.org/W2162150913","https://openalex.org/W2164474066","https://openalex.org/W2171193576","https://openalex.org/W2176714853","https://openalex.org/W2178335829","https://openalex.org/W2180026512","https://openalex.org/W2180473927","https://openalex.org/W2476582390","https://openalex.org/W2949398468","https://openalex.org/W2949642679","https://openalex.org/W2949990967","https://openalex.org/W2950270651","https://openalex.org/W2950973228","https://openalex.org/W2951015988","https://openalex.org/W2951190183","https://openalex.org/W2951275781","https://openalex.org/W2951922498","https://openalex.org/W2952455010","https://openalex.org/W2952550402","https://openalex.org/W2952655780","https://openalex.org/W2953303519","https://openalex.org/W4255087269","https://openalex.org/W4285719527"],"related_works":["https://openalex.org/W1979025022","https://openalex.org/W2083569104","https://openalex.org/W1994933221","https://openalex.org/W2315953972","https://openalex.org/W2094801468","https://openalex.org/W2118214748","https://openalex.org/W2089085405","https://openalex.org/W2062644195","https://openalex.org/W2044916586","https://openalex.org/W2036134740"],"abstract_inverted_index":{"Abstract":[0],"A":[1],"highly":[2],"efficient":[3],"protocol":[4],"for":[5],"the":[6,15,52,69,83],"synthesis":[7,84],"of":[8,17,39,71,85],"\u03b2\u2010acetamido":[9,86,97],"ketone":[10],"or":[11,42],"ester":[12],"derivatives":[13],"in":[14,55,61,82,92],"presence":[16],"pyrazinium":[18],"di(hydrogen":[19],"sulfate)":[20],"{Py(OSO3H)2}":[21],"as":[22],"a":[23],"novel,":[24],"green":[25],"and":[26,48,60,99],"homogeneous":[27],"solid":[28,75],"acid":[29,76,80],"catalyst":[30],"at":[31],"room":[32],"temperature":[33],"is":[34,88],"described.":[35],"One\u2010pot":[36],"multi\u2010component":[37],"condensation":[38],"enolizable":[40],"ketones":[41,98],"alkyl":[43],"acetoacetates":[44],"with":[45],"aldehydes,":[46],"acetonitrile":[47],"acetyl":[49],"chloride":[50],"affords":[51],"title":[53],"compounds":[54],"high":[56],"to":[57],"excellent":[58],"yields":[59],"relatively":[62],"short":[63],"reaction":[64],"times.":[65],"In":[66],"this":[67,93],"work,":[68],"efficiency":[70],"our":[72],"recently":[73],"reported":[74],"catalyst,":[77],"saccharin":[78],"sulfonic":[79],"(Sa\u2010SO3H),":[81],"ketones/esters":[87],"also":[89],"studied.":[90],"Moreover,":[91],"research,":[94],"some":[95],"new":[96],"esters":[100],"(i.e.":[101],"one":[102],"complex":[103],"structure)":[104],"are":[105],"prepared.":[106]},"counts_by_year":[{"year":2014,"cited_by_count":1},{"year":2013,"cited_by_count":1}],"updated_date":"2026-10-30T12:39:25.321706","created_date":"2016-06-24T00:00:00"}