{"id":"https://openalex.org/W2136758035","doi":"https://doi.org/10.1002/ejic.201500862","title":"Controlling the Microstructure of Isotactic Polypropene by C2\u2010Symmetric Zirconocene Polymerization Catalysts: Influence of Alkyl Substituents on Regio\u2010 and Stereocontrol","display_name":"Controlling the Microstructure of Isotactic Polypropene by C2\u2010Symmetric Zirconocene Polymerization Catalysts: Influence of Alkyl Substituents on Regio\u2010 and Stereocontrol","publication_year":2015,"publication_date":"2015-08-20","ids":{"openalex":"https://openalex.org/W2136758035","doi":"https://doi.org/10.1002/ejic.201500862","mag":"2136758035"},"language":"en","primary_location":{"id":"doi:10.1002/ejic.201500862","doi":"https://doi.org/10.1002/ejic.201500862","is_oa":false,"landing_page_url":"https://doi.org/10.1002/ejic.201500862","pdf_url":null,"source":{"id":"https://openalex.org/S16435181","display_name":"European Journal of Inorganic Chemistry","issn_l":"1099-0682","issn":["1099-0682","1434-1948"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-1","ki-jl-1","norway-1","poland-70","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":"European Journal of Inorganic Chemistry","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/A5033233561","display_name":"Mikhail S. Kuklin","orcid":"https://orcid.org/0000-0001-9289-6905","observed_orcids":["https://orcid.org/0000-0001-9289-6905"]},"institutions":[{"id":"https://openalex.org/I175532246","display_name":"University of Eastern Finland","ror":"https://ror.org/00cyydd11","country_code":"FI","type":"education","lineage":["https://openalex.org/I175532246"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Mikhail S. Kuklin","raw_affiliation_strings":["Department of Chemistry, University of Eastern Finland, P. O. Box 111, 80101 Joensuu, Finland http://www2.uef.fi/modelling"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry, University of Eastern Finland, P. O. Box 111, 80101 Joensuu, Finland http://www2.uef.fi/modelling","institution_ids":["https://openalex.org/I175532246"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5007993986","display_name":"Ville Virkkunen","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I175532246","display_name":"University of Eastern Finland","ror":"https://ror.org/00cyydd11","country_code":"FI","type":"education","lineage":["https://openalex.org/I175532246"]},{"id":"https://openalex.org/I4210102514","display_name":"Borealis (Finland)","ror":"https://ror.org/019qdfq91","country_code":"FI","type":"company","lineage":["https://openalex.org/I4210102514","https://openalex.org/I4210162562"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"Ville Virkkunen","raw_affiliation_strings":["Borealis Polymers Oy, P. O. Box 330, 06101 Porvoo, Finland","Mikko Linnolahti, Department of Chemistry, University of Eastern Finland, P. O. Box 111, 80101 Joensuu, Finland http://www2.uef.fi/modelling","Ville Virkkunen, Borealis Polymers Oy, P. O. Box 330, 06101 Porvoo, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Borealis Polymers Oy, P. O. Box 330, 06101 Porvoo, Finland","institution_ids":["https://openalex.org/I4210102514"]},{"raw_affiliation_string":"Mikko Linnolahti, Department of Chemistry, University of Eastern Finland, P. O. Box 111, 80101 Joensuu, Finland http://www2.uef.fi/modelling","institution_ids":["https://openalex.org/I175532246"]},{"raw_affiliation_string":"Ville Virkkunen, Borealis Polymers Oy, P. O. Box 330, 06101 Porvoo, Finland","institution_ids":["https://openalex.org/I4210102514"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5083948720","display_name":"Pascal M. Castro","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210102514","display_name":"Borealis (Finland)","ror":"https://ror.org/019qdfq91","country_code":"FI","type":"company","lineage":["https://openalex.org/I4210102514","https://openalex.org/I4210162562"]}],"countries":["FI"],"is_corresponding":false,"raw_author_name":"Pascal M. Castro","raw_affiliation_strings":["Borealis Polymers Oy, P. O. Box 330, 06101 Porvoo, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Borealis Polymers Oy, P. O. Box 330, 06101 Porvoo, Finland","institution_ids":["https://openalex.org/I4210102514"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5005252312","display_name":"Luigi Resconi","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210162562","display_name":"Borealis (Austria)","ror":"https://ror.org/05eat3g39","country_code":"AT","type":"company","lineage":["https://openalex.org/I4210162562"]}],"countries":["AT"],"is_corresponding":false,"raw_author_name":"Luigi Resconi","raw_affiliation_strings":["Borealis Polyolefine GmbH, St. Peter-Strasse 25, 4021 Linz, Austria"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Borealis Polyolefine GmbH, St. Peter-Strasse 25, 4021 Linz, Austria","institution_ids":["https://openalex.org/I4210162562"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5087054987","display_name":"Mikko Linnolahti","orcid":"https://orcid.org/0000-0003-0056-2698","observed_orcids":["https://orcid.org/0000-0003-0056-2698"]},"institutions":[{"id":"https://openalex.org/I175532246","display_name":"University of Eastern Finland","ror":"https://ror.org/00cyydd11","country_code":"FI","type":"education","lineage":["https://openalex.org/I175532246"]},{"id":"https://openalex.org/I4210102514","display_name":"Borealis (Finland)","ror":"https://ror.org/019qdfq91","country_code":"FI","type":"company","lineage":["https://openalex.org/I4210102514","https://openalex.org/I4210162562"]}],"countries":["FI"],"is_corresponding":true,"raw_author_name":"Mikko Linnolahti","raw_affiliation_strings":["Department of Chemistry, University of Eastern Finland, P. O. Box 111, 80101 Joensuu, Finland http://www2.uef.fi/modelling","Mikko Linnolahti, Department of Chemistry, University of Eastern Finland, P. O. Box 111, 80101 Joensuu, Finland http://www2.uef.fi/modelling","Ville Virkkunen, Borealis Polymers Oy, P. O. Box 330, 06101 Porvoo, Finland"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry, University of Eastern Finland, P. O. Box 111, 80101 Joensuu, Finland http://www2.uef.fi/modelling","institution_ids":["https://openalex.org/I175532246"]},{"raw_affiliation_string":"Mikko Linnolahti, Department of Chemistry, University of Eastern Finland, P. O. Box 111, 80101 Joensuu, Finland http://www2.uef.fi/modelling","institution_ids":["https://openalex.org/I175532246"]},{"raw_affiliation_string":"Ville Virkkunen, Borealis Polymers Oy, P. O. Box 330, 06101 Porvoo, Finland","institution_ids":["https://openalex.org/I4210102514"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5007993986","https://openalex.org/A5087054987"],"corresponding_institution_ids":["https://openalex.org/I175532246","https://openalex.org/I4210102514"],"apc_list":{"value":4050,"currency":"USD","value_usd":4050},"apc_paid":null,"fwci":1.1301,"has_fulltext":false,"cited_by_count":18,"citation_normalized_percentile":{"value":0.74139838,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"2015","issue":"26","first_page":"4420","last_page":"4428"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10092","display_name":"Organometallic Complex Synthesis and Catalysis","score":0.9970999956130981,"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/T10092","display_name":"Organometallic Complex Synthesis and Catalysis","score":0.9970999956130981,"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/T10661","display_name":"biodegradable polymer synthesis and properties","score":0.0006000000284984708,"subfield":{"id":"https://openalex.org/subfields/2502","display_name":"Biomaterials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10405","display_name":"Advanced Polymer Synthesis and Characterization","score":0.0003000000142492354,"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/zirconocene-catalysts","display_name":"zirconocene catalysts","score":0.9330000281333923},{"id":"https://openalex.org/keywords/c2-symmetric-ligands","display_name":"C2-symmetric ligands","score":0.9110000133514404},{"id":"https://openalex.org/keywords/regiocontrol","display_name":"regiocontrol","score":0.6949999928474426},{"id":"https://openalex.org/keywords/stereocontrol","display_name":"stereocontrol","score":0.9240000247955322},{"id":"https://openalex.org/keywords/alkyl-substituent-effects","display_name":"alkyl substituent effects","score":0.7580000162124634},{"id":"https://openalex.org/keywords/indenyl-ligands","display_name":"indenyl ligands","score":0.8289999961853027},{"id":"https://openalex.org/keywords/stereoregular-polymers","display_name":"stereoregular polymers","score":0.7919999957084656},{"id":"https://openalex.org/keywords/polymer-microstructure-control","display_name":"polymer microstructure control","score":0.578000009059906}],"concepts":[{"id":"https://openalex.org/C58018886","wikidata":"https://www.wikidata.org/wiki/Q372660","display_name":"Tacticity","level":4,"score":0.822361409664154},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.8213258981704712},{"id":"https://openalex.org/C2780263894","wikidata":"https://www.wikidata.org/wiki/Q335268","display_name":"Alkyl","level":2,"score":0.7420222759246826},{"id":"https://openalex.org/C187921627","wikidata":"https://www.wikidata.org/wiki/Q2469470","display_name":"Stereospecificity","level":3,"score":0.694291353225708},{"id":"https://openalex.org/C2777954637","wikidata":"https://www.wikidata.org/wiki/Q151324","display_name":"Propene","level":3,"score":0.6697515845298767},{"id":"https://openalex.org/C116569031","wikidata":"https://www.wikidata.org/wiki/Q899107","display_name":"Ligand (biochemistry)","level":3,"score":0.6306366920471191},{"id":"https://openalex.org/C161790260","wikidata":"https://www.wikidata.org/wiki/Q82264","display_name":"Catalysis","level":2,"score":0.563281774520874},{"id":"https://openalex.org/C44228677","wikidata":"https://www.wikidata.org/wiki/Q181898","display_name":"Polymerization","level":3,"score":0.4784974157810211},{"id":"https://openalex.org/C155647269","wikidata":"https://www.wikidata.org/wiki/Q243455","display_name":"Medicinal chemistry","level":1,"score":0.36985281109809875},{"id":"https://openalex.org/C188027245","wikidata":"https://www.wikidata.org/wiki/Q750446","display_name":"Polymer chemistry","level":1,"score":0.3490431010723114},{"id":"https://openalex.org/C71240020","wikidata":"https://www.wikidata.org/wiki/Q186011","display_name":"Stereochemistry","level":1,"score":0.3351457715034485},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.2234988510608673},{"id":"https://openalex.org/C521977710","wikidata":"https://www.wikidata.org/wiki/Q81163","display_name":"Polymer","level":2,"score":0.0773586630821228},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C170493617","wikidata":"https://www.wikidata.org/wiki/Q208467","display_name":"Receptor","level":2,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1002/ejic.201500862","doi":"https://doi.org/10.1002/ejic.201500862","is_oa":false,"landing_page_url":"https://doi.org/10.1002/ejic.201500862","pdf_url":null,"source":{"id":"https://openalex.org/S16435181","display_name":"European Journal of Inorganic Chemistry","issn_l":"1099-0682","issn":["1099-0682","1434-1948"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","dongbi-b","jufo-1","ki-jl-1","norway-1","poland-70","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":"European Journal of Inorganic Chemistry","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":53,"referenced_works":["https://openalex.org/W52473268","https://openalex.org/W1968951813","https://openalex.org/W1969766958","https://openalex.org/W1971469091","https://openalex.org/W1974441665","https://openalex.org/W1981148997","https://openalex.org/W1987876379","https://openalex.org/W1989027918","https://openalex.org/W1989246295","https://openalex.org/W1991436567","https://openalex.org/W1994775694","https://openalex.org/W2000754674","https://openalex.org/W2008964226","https://openalex.org/W2010327351","https://openalex.org/W2013190346","https://openalex.org/W2015723183","https://openalex.org/W2016009189","https://openalex.org/W2016800344","https://openalex.org/W2017193735","https://openalex.org/W2021105476","https://openalex.org/W2035965067","https://openalex.org/W2039410044","https://openalex.org/W2041063484","https://openalex.org/W2049585005","https://openalex.org/W2053459736","https://openalex.org/W2058210956","https://openalex.org/W2059095363","https://openalex.org/W2062638404","https://openalex.org/W2067151179","https://openalex.org/W2078146328","https://openalex.org/W2083924613","https://openalex.org/W2088275575","https://openalex.org/W2088949482","https://openalex.org/W2094783956","https://openalex.org/W2101460648","https://openalex.org/W2105475848","https://openalex.org/W2107724868","https://openalex.org/W2109217638","https://openalex.org/W2130848212","https://openalex.org/W2143981217","https://openalex.org/W2148284063","https://openalex.org/W2148940963","https://openalex.org/W2150697053","https://openalex.org/W2153900045","https://openalex.org/W2162510578","https://openalex.org/W2169507090","https://openalex.org/W2170731854","https://openalex.org/W2171371339","https://openalex.org/W2315915695","https://openalex.org/W2326267045","https://openalex.org/W2329666843","https://openalex.org/W2329876742","https://openalex.org/W2335769133"],"related_works":["https://openalex.org/W2021521967","https://openalex.org/W2059095363","https://openalex.org/W1969766958","https://openalex.org/W2074737217","https://openalex.org/W2050575784","https://openalex.org/W2480151819","https://openalex.org/W2004192579","https://openalex.org/W1974441665","https://openalex.org/W2066728932","https://openalex.org/W2080972040"],"abstract_inverted_index":{"Abstract":[0],"A":[1],"combined":[2],"computational":[3],"and":[4,30,35,64,108,124],"experimental":[5],"study":[6],"was":[7],"carried":[8],"out":[9],"to":[10,42,134],"evaluate":[11],"control":[12],"of":[13,16,49,60,70,84,106,121],"the":[14,27,43,68,96,100,109,128],"microstructure":[15],"isotactic":[17,75],"polypropene":[18],"by":[19,46,82,88,104,111],"C2\u2010symmetric":[20],"zirconocenes":[21],"with":[22,91],"rac\u2010SiMe2[Ind]2\u2010based":[23],"ligands.":[24],"Building":[25],"on":[26,95,127],"highly":[28,73],"regio\u2010":[29],"stereospecific":[31],"catalyst":[32],"combining":[33],"2\u2010Me":[34,90],"4\u2010Ph":[36,129],"substituents,":[37],"we":[38],"made":[39],"further":[40],"modifications":[41],"ligand":[44,130],"framework":[45],"systematic":[47],"addition":[48,83],"alkyl":[50],"substituents.":[51],"Propene":[52],"insertion":[53],"barriers":[54,115],"are":[55],"given":[56],"for":[57,116],"a":[58],"total":[59],"24":[61],"catalysts.":[62],"Calculations":[63],"experiments":[65],"show":[66],"that":[67],"series":[69],"catalysts":[71],"produce":[72],"stereoregular":[74],"polypropene.":[76],"Regiocontrol":[77],"can":[78],"be":[79],"markedly":[80],"improved":[81,136],"3\u2010Me":[85],"substituents":[86,94,123,131],"or":[87],"replacing":[89],"bulkier":[92],"2\u2010alkyl":[93],"indenyl":[97],"ligand,":[98],"but":[99],"former":[101],"is":[102,132],"accompanied":[103],"loss":[105],"stereocontrol":[107],"latter":[110],"significantly":[112],"increased":[113],"overall":[114],"propene":[117],"insertion.":[118],"The":[119],"combination":[120],"methyl":[122],"tBu":[125],"groups":[126],"shown":[133],"provide":[135],"regiocontrol":[137],"without":[138],"sacrificing":[139],"high":[140],"stereocontrol.":[141]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2023,"cited_by_count":1},{"year":2022,"cited_by_count":1},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":4},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":2},{"year":2016,"cited_by_count":2},{"year":2015,"cited_by_count":1}],"updated_date":"2026-10-14T16:39:01.820549","created_date":"2016-06-24T00:00:00"}