FRINK Linked Data Fragments server

Matches in SemOpenAlex for { <https://semopenalex.org/work/W2012113263> ?p ?o ?g. }

• W2012113263 endingPage "4433" @default.
• W2012113263 startingPage "4424" @default.
• W2012113263 abstract "Zirconium phosphinimide complexes of the form CpZr(NP-t-Bu3)Cl2 (1) and Cp*Zr(NPR3)Cl2 (R = i-Pr (2), t-Bu (3)) were readily prepared under ambient conditions via the reaction of [CpZrCl3]n or Cp*ZrCl3 with the appropriate trialkylphosphinimide lithium salt (R3PNLi). A series of derivatives were readily obtained via alkylation or arylation of the above dihalide precursors. These included CpZr(NP-t-Bu3)Me2 (4), Cp*Zr(NPR3)Me2 (R = i-Pr (5), t-Bu (6)), CpZr(NP-t-Bu3)Ph2(7), Cp*Zr(NPR3)Ph2 (R = i-Pr (8), t-Bu (9)), CpZr(NP-t-Bu3)Bn2 (10), CpZr(NP-t-Bu3)(CH2SiMe3)2 (11), Cp*Zr(NPR3)(allyl)2 (R = i-Pr (12), t-Bu (13)), Cp*Zr(NPR3)(Cp)Cl (R = i-Pr (14), t-Bu (15)), and Cp*Zr(NPR3)(CH2C(CH3)C(CH3)CH2) (R = i-Pr (16), t-Bu (17)). Reaction of 17 with the borane B(C6F5)3 yielded the zwitterionic and cationic complexes Cp*Zr(NP-t-Bu3)(CH2C(CH3)C(CH3)CH2B(C6F5)3) (18) and Cp*Zr(NP-t-Bu3)(THF)(CH2C(CH3)C(CH3)CH2B(C6F5)3) (19). A number of the above compounds were screened for their potential as catalyst precursors in ethylene polymerization. In general, upon activation with methylaluminoxane, the resulting catalysts exhibit low activity. Efforts to understand the deactivation pathway for these zirconium catalysts involved investigating the interactions of catalyst precursors with activators. For example, reaction of 4 with the borane B(C6F5)3 leads to aryl group transfer and formation of catalytically inactive CpZr(NP-t-Bu3)(C6F5)2 (20). Interactions with MAO were modeled via reaction with AlMe3. The Zr clusters (Cp*Zr)4(μ-Cl)5(Cl)(μ-CH)2 (21) and (Cp*Zr)5(μ-Cl)6(μ-CH)3 (22) were two of the products that were characterized from these reactions. The isolation of 21 and 22 infers that aryl for methyl exchange, ligand abstraction, and C−H bond activation may be catalyst deactivation pathways." @default.
• W2012113263 created "2016-06-24" @default.
• W2012113263 creator A5004542853 @default.
• W2012113263 creator A5006312225 @default.
• W2012113263 creator A5037978366 @default.
• W2012113263 creator A5059073223 @default.
• W2012113263 date "2001-09-11" @default.
• W2012113263 modified "2023-10-16" @default.
• W2012113263 title "Zirconium Phosphinimide Complexes: Synthesis, Structure, and Deactivation Pathways in Ethylene Polymerization Catalysis" @default.
• W2012113263 cites W1967048795 @default.
• W2012113263 cites W2000466466 @default.
• W2012113263 cites W2001781517 @default.
• W2012113263 cites W2001840778 @default.
• W2012113263 cites W2003117114 @default.
• W2012113263 cites W2006239452 @default.
• W2012113263 cites W2024656233 @default.
• W2012113263 cites W2026539458 @default.
• W2012113263 cites W2028169230 @default.
• W2012113263 cites W2029224795 @default.
• W2012113263 cites W2030385128 @default.
• W2012113263 cites W2033968638 @default.
• W2012113263 cites W2041647217 @default.
• W2012113263 cites W2052058075 @default.
• W2012113263 cites W2070418609 @default.
• W2012113263 cites W2071627970 @default.
• W2012113263 cites W2072756436 @default.
• W2012113263 cites W2073614125 @default.
• W2012113263 cites W2092301323 @default.
• W2012113263 cites W2280701637 @default.
• W2012113263 cites W2337621743 @default.
• W2012113263 cites W2346286131 @default.
• W2012113263 cites W2952283493 @default.
• W2012113263 doi "https://doi.org/10.1021/om010433q" @default.
• W2012113263 hasPublicationYear "2001" @default.
• W2012113263 type Work @default.
• W2012113263 sameAs 2012113263 @default.
• W2012113263 citedByCount "69" @default.
• W2012113263 countsByYear W20121132632012 @default.
• W2012113263 countsByYear W20121132632013 @default.
• W2012113263 countsByYear W20121132632014 @default.
• W2012113263 countsByYear W20121132632015 @default.
• W2012113263 countsByYear W20121132632017 @default.
• W2012113263 countsByYear W20121132632018 @default.
• W2012113263 countsByYear W20121132632020 @default.
• W2012113263 countsByYear W20121132632021 @default.
• W2012113263 countsByYear W20121132632022 @default.
• W2012113263 crossrefType "journal-article" @default.
• W2012113263 hasAuthorship W2012113263A5004542853 @default.
• W2012113263 hasAuthorship W2012113263A5006312225 @default.
• W2012113263 hasAuthorship W2012113263A5037978366 @default.
• W2012113263 hasAuthorship W2012113263A5059073223 @default.
• W2012113263 hasConcept C155647269 @default.
• W2012113263 hasConcept C161790260 @default.
• W2012113263 hasConcept C164361826 @default.
• W2012113263 hasConcept C178790620 @default.
• W2012113263 hasConcept C183882617 @default.
• W2012113263 hasConcept C185592680 @default.
• W2012113263 hasConcept C188027245 @default.
• W2012113263 hasConcept C2777174529 @default.
• W2012113263 hasConcept C2778597550 @default.
• W2012113263 hasConcept C2778826510 @default.
• W2012113263 hasConcept C2780263894 @default.
• W2012113263 hasConcept C2780446808 @default.
• W2012113263 hasConcept C2781076698 @default.
• W2012113263 hasConcept C44228677 @default.
• W2012113263 hasConcept C521977710 @default.
• W2012113263 hasConcept C534791751 @default.
• W2012113263 hasConcept C71240020 @default.
• W2012113263 hasConceptScore W2012113263C155647269 @default.
• W2012113263 hasConceptScore W2012113263C161790260 @default.
• W2012113263 hasConceptScore W2012113263C164361826 @default.
• W2012113263 hasConceptScore W2012113263C178790620 @default.
• W2012113263 hasConceptScore W2012113263C183882617 @default.
• W2012113263 hasConceptScore W2012113263C185592680 @default.
• W2012113263 hasConceptScore W2012113263C188027245 @default.
• W2012113263 hasConceptScore W2012113263C2777174529 @default.
• W2012113263 hasConceptScore W2012113263C2778597550 @default.
• W2012113263 hasConceptScore W2012113263C2778826510 @default.
• W2012113263 hasConceptScore W2012113263C2780263894 @default.
• W2012113263 hasConceptScore W2012113263C2780446808 @default.
• W2012113263 hasConceptScore W2012113263C2781076698 @default.
• W2012113263 hasConceptScore W2012113263C44228677 @default.
• W2012113263 hasConceptScore W2012113263C521977710 @default.
• W2012113263 hasConceptScore W2012113263C534791751 @default.
• W2012113263 hasConceptScore W2012113263C71240020 @default.
• W2012113263 hasIssue "21" @default.
• W2012113263 hasLocation W20121132631 @default.
• W2012113263 hasOpenAccess W2012113263 @default.
• W2012113263 hasPrimaryLocation W20121132631 @default.
• W2012113263 hasRelatedWork W1989814396 @default.
• W2012113263 hasRelatedWork W2024796517 @default.
• W2012113263 hasRelatedWork W2028564580 @default.
• W2012113263 hasRelatedWork W2035515976 @default.
• W2012113263 hasRelatedWork W2047953715 @default.
• W2012113263 hasRelatedWork W2049585005 @default.
• W2012113263 hasRelatedWork W2078400514 @default.
• W2012113263 hasRelatedWork W2103713731 @default.
• W2012113263 hasRelatedWork W4242463391 @default.

• next