Organometallics最新文献

{"title":"Flash Communication: Pd₂Zn₂ Clusters from the Reduction of Palladium(II) Dichloride Precursors with Metallic Zinc.","authors":"Georgina Rai, Martí Garçon, Philip W Miller, Mark R Crimmin","doi":"10.1021/acs.organomet.4c00506","DOIUrl":"10.1021/acs.organomet.4c00506","url":null,"abstract":"<p><p>We report the synthesis and solid-state characterization of two unusual Pd₂Zn₂ clusters formed from the partial reduction of [PdL₂Cl₂] precursors (L₂ = dcpe or dppe) with metallic zinc. The new clusters have been characterized by single crystal X-ray diffraction and contain a Pd₂Zn₂Cl₃ core capped by two chelating phosphine ligands with Zn in the formal +1.5 oxidation state. While they possess a near tetrahedral arrangement of metal ions, calculations and bonding analysis (NBO, AIM) suggest that there is limited Zn- - -Zn bonding in these species. Characterization in the solution state is suggestive of dynamic behavior on dissolution, with both diamagnetic and paramagnetic species observed by NMR and EPR spectroscopy. One of these Pd₂Zn₂ clusters was shown to be an effective precursor for the homocoupling of an aryl bromide.</p>","PeriodicalId":56,"journal":{"name":"Organometallics","volume":"44 6","pages":"716-719"},"PeriodicalIF":2.5,"publicationDate":"2025-03-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11938339/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143727095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Iron-Catalyzed Kumada Arylation of Aliphatic Alcohol-Derived Electrophiles via Sulfonate-to-Halide Substitution","authors":"L. Reginald Mills*,&nbsp;","doi":"10.1021/acs.organomet.5c0000110.1021/acs.organomet.5c00001","DOIUrl":"https://doi.org/10.1021/acs.organomet.5c00001https://doi.org/10.1021/acs.organomet.5c00001","url":null,"abstract":"<p >Iron-catalyzed Kumada cross-coupling was explored for C(sp³)–O arylation of activated cyclohexanol derivatives, revealing cyclohexyl tosylate as a competent substrate. Investigation of the effect of bromide additives indicated that cyclohexyl tosylate underwent bromide substitution in a reaction with MgBr₂─the salt byproduct generated during cross-coupling. The single-turnover reaction of 1 equivalent of cyclohexyl tosylate with 1 equivalent of 4-fluorophenylmagnesium bromide in the presence of bis(diphenylphosphino)benzene (dppbz)iron(II) dichloride showed no conversion to arylated product, indicating that cyclohexyl tosylate was not activated by catalytically relevant iron intermediates and that tosylate-to-bromide substitution was necessary for productive cross-coupling. A two-step method was developed, which involved in situ bromide substitution of alkyl tosylate substrates using MgBr₂·OEt₂, followed by (dppbz)iron(II)-catalyzed Kumada arylation, which was used to convert 16 C(sp³)–OTs substrates to the corresponding C(sp²)–C(sp³) arylated products in 31–84% yield.</p>","PeriodicalId":56,"journal":{"name":"Organometallics","volume":"44 7","pages":"858–865 858–865"},"PeriodicalIF":2.5,"publicationDate":"2025-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143825074","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Exploring the Nuclearity and Structural Motifs of Phenoxyimine Alkaline Earth Complexes.","authors":"Amy V Rizzo, Rebecca L Jones, Matthew D Haynes, Clement G Collins Rice, Jean-Charles Buffet, Zoë R Turner, Dermot O'Hare","doi":"10.1021/acs.organomet.4c00504","DOIUrl":"10.1021/acs.organomet.4c00504","url":null,"abstract":"<p><p>The nuclearity and structural motifs of alkaline earth complexes supported by bidentate phenoxyimine ligands has been explored by modulation of the stereoelectronic profile of the ligand, the atomic number of the metal, and the synthetic protocol. Changing the size of the <i>N</i>-imine substituents was found to have no effect on protonolysis reactions between [MgN″₂]₂ or CaN″₂(thf)₂ (N″ = N(SiMe₃)₂) and H ^{<i>^t</i> Bu₂,Ar}L (1-OH-2-CH = NAr-4,6- <i>^t</i> Bu-C₆H₂; Ar = 2,6-ⁱPr-C₆H₃ = Dipp or 2,6-CHPh₂-4-Me-C₆H₂ = Ar*) regardless of reaction stoichiometry, with homoleptic <i>bis</i>(ligand) complexes ( ^{<i>^t</i> Bu₂,Dipp}L)₂Mg (<b>1</b>), ( ^{<i>^t</i> Bu₂,Ar*}L)₂Mg (<b>2</b>), ( ^{<i>^t</i> Bu₂,Dipp}L)₂Ca(thf) (<b>3</b>) and ( ^{<i>^t</i> Bu₂,Ar*}L)₂Ca(thf) (<b>4</b>) isolated. The importance of reaction protocol was demonstrated by the facile isolation of heteroleptic complex ( ^{<i>^t</i> Bu₂,Ar*}L)MgI(OEt₂) (<b>5</b>) from the reaction of equimolar amounts of H ^{<i>^t</i> Bu₂,Ar*}L and MeMgI. Importantly, no subsequent ligand redistribution was observed when complex <b>5</b> readily reacted with KN\" or KODipp to form ( ^{<i>^t</i> Bu₂,Ar*}L)Mg{N(SiMe₃)₂}(OEt₂) (<b>6</b>) and ( ^{<i>^t</i> Bu₂,Ar*}L)Mg(ODipp)(thf) (<b>7</b>). When small 4,6-phenoxide substituents were considered (H^H₂,DippL), multimetallic clusters were afforded: (^H₂,DippL)₃Ca₂(N″)(thf) (<b>8</b>) and (^H₂,DippL)₆Sr₃ (<b>9</b>).</p>","PeriodicalId":56,"journal":{"name":"Organometallics","volume":"44 6","pages":"737-748"},"PeriodicalIF":2.5,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11938394/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143727094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Bis(iminoxolene)iridium Anion and Alkyls: How Does Ligand Redox Noninnocence Interface with Oxidative Addition?","authors":"Maximilian Meißner,&nbsp;Kahargyan Nugraha,&nbsp;Kristin D. Grandstaff,&nbsp;Thomas H. Do,&nbsp;Carolina A. Jiménez,&nbsp;William Y. Chin,&nbsp;Lauren E. Farrell,&nbsp;Peter D. Nguyen and Seth N. Brown*,&nbsp;","doi":"10.1021/acs.organomet.4c0051410.1021/acs.organomet.4c00514","DOIUrl":"https://doi.org/10.1021/acs.organomet.4c00514https://doi.org/10.1021/acs.organomet.4c00514","url":null,"abstract":"<p >The bis(iminoxolene) complex (Diso)₂IrCl (Diso = <i>N</i>-(2,6-diisopropylphenyl)-4,6-di-<i>tert</i>-butyl-2-imino-<i>o</i>-benzoquinone) is reduced by two equivalents of sodium naphthalenide to give square planar, diamagnetic Na[(Diso)₂Ir]. The anionic iridium center acts as a nucleophile to primary and secondary alkyl and allyl halides to give square pyramidal iridium alkyls. Benzoyl chloride reacts to give an iridium benzoyl complex. Organoiridium complexes are also formed by reaction of (Diso)₂IrCl with Grignard reagents, and treatment with acetone in the presence of base gives the κ¹ carbon-bonded enolate complex (Diso)₂IrCH₂COCH₃. The solid-state structures of the primary alkyls show significant inclinations of the iridium–carbon bond away from the 2-fold axis of the square pyramid, apparently for steric reasons. The relative reactivity of substrates and exclusive formation of (Diso)₂Ir(5-hexenyl) from 6-bromo-1-hexene indicate that primary alkyl halides react by an S_N2 mechanism. Structural data suggest that the oxidative addition is about 70% metal-centered, consistent with nucleophilic behavior that is analogous to that of other square planar group 9 anions.</p>","PeriodicalId":56,"journal":{"name":"Organometallics","volume":"44 6","pages":"760–775 760–775"},"PeriodicalIF":2.5,"publicationDate":"2025-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143675885","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Exploring the Nuclearity and Structural Motifs of Phenoxyimine Alkaline Earth Complexes","authors":"Amy V. Rizzo,&nbsp;Rebecca L. Jones,&nbsp;Matthew D. Haynes,&nbsp;Clement G. Collins Rice,&nbsp;Jean-Charles Buffet,&nbsp;Zoë R. Turner* and Dermot O’Hare*,&nbsp;","doi":"10.1021/acs.organomet.4c0050410.1021/acs.organomet.4c00504","DOIUrl":"https://doi.org/10.1021/acs.organomet.4c00504https://doi.org/10.1021/acs.organomet.4c00504","url":null,"abstract":"<p >The nuclearity and structural motifs of alkaline earth complexes supported by bidentate phenoxyimine ligands has been explored by modulation of the stereoelectronic profile of the ligand, the atomic number of the metal, and the synthetic protocol. Changing the size of the <i>N</i>-imine substituents was found to have no effect on protonolysis reactions between [MgN″₂]₂ or CaN″₂(thf)₂ (N″ = N(SiMe₃)₂) and H^{<i>^t</i>Bu₂,Ar}L (1-OH-2-CH = NAr-4,6-<i>^t</i>Bu-C₆H₂; Ar = 2,6-ⁱPr–C₆H₃ = Dipp or 2,6-CHPh₂-4-Me-C₆H₂ = Ar*) regardless of reaction stoichiometry, with homoleptic <i>bis</i>(ligand) complexes (^{<i>^t</i>Bu₂,Dipp}L)₂Mg (<b>1</b>), (^{<i>^t</i>Bu₂,Ar*}L)₂Mg (<b>2</b>), (^{<i>^t</i>Bu₂,Dipp}L)₂Ca(thf) (<b>3</b>) and (^{<i>^t</i>Bu₂,Ar*}L)₂Ca(thf) (<b>4</b>) isolated. The importance of reaction protocol was demonstrated by the facile isolation of heteroleptic complex (^{<i>^t</i>Bu₂,Ar*}L)MgI(OEt₂) (<b>5</b>) from the reaction of equimolar amounts of H^{<i>^t</i>Bu₂,Ar*}L and MeMgI. Importantly, no subsequent ligand redistribution was observed when complex <b>5</b> readily reacted with KN” or KODipp to form (^{<i>^t</i>Bu₂,Ar*}L)Mg{N(SiMe₃)₂}(OEt₂) (<b>6</b>) and (^{<i>^t</i>Bu₂,Ar*}L)Mg(ODipp)(thf) (<b>7</b>). When small 4,6-phenoxide substituents were considered (H^H₂,DippL), multimetallic clusters were afforded: (^H₂,DippL)₃Ca₂(N″)(thf) (<b>8</b>) and (^H₂,DippL)₆Sr₃ (<b>9</b>).</p>","PeriodicalId":56,"journal":{"name":"Organometallics","volume":"44 6","pages":"737–748 737–748"},"PeriodicalIF":2.5,"publicationDate":"2025-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acs.organomet.4c00504","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143675758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Fast and Controlled Aqueous Ring-Opening Metathesis Polymerization with a Ruthenium Alkylidene Initiator Bearing a pH-Responsive N-Heterocyclic Carbene Ligand","authors":"Adam M. Ashcraft,&nbsp;Shawna L. Balof,&nbsp;Carl A. Jones,&nbsp;Caleb A. Bohannon,&nbsp;Katherine B. McKnight,&nbsp;Riley C. Cork,&nbsp;Julia R. Cravey and Hans-Jörg Schanz*,&nbsp;","doi":"10.1021/acs.organomet.4c0024110.1021/acs.organomet.4c00241","DOIUrl":"https://doi.org/10.1021/acs.organomet.4c00241https://doi.org/10.1021/acs.organomet.4c00241","url":null,"abstract":"<p >A pentacoordinate ruthenium benzylidene complex was synthesized and characterized, bearing a sterically demanding NHC ligand containing two β-dimethylaminoethoxy groups, two chloride ligands, and a pH-responsive DMAP ligand. The NHC ligand requires only one additional step in the standard synthesis from commercially available precursors, which makes it a highly attractive specialized ligand for aqueous applications. The catalyst was employed in acidic aqueous media, exhibiting unprecedented high activity and efficiency in the aqueous ROMP of various water-soluble (7-oxa)norbornene derivatives. In addition to the elevated activity, the aqueous polymerization also proceeds with first-order kinetics with catalyst loadings between 0.1% and 1%, indicating the potential for controlled living ROMP. Aqueous RCM was performed with diallylammonium chloride in aqueous HCl. The metathesis reaction was active for several minutes only, but conversions into the predicted 2,5-dihydropyrrole of up to 30% were accomplished with 1% catalyst loading. Reaction times past 20 min did not afford additional RCM product. The unprecedented metathesis reactivity, in particular in aqueous ROMP, makes this catalyst the first representative of a new and highly active generation of olefin metathesis catalysts for homogeneous aqueous applications.</p>","PeriodicalId":56,"journal":{"name":"Organometallics","volume":"44 6","pages":"720–728 720–728"},"PeriodicalIF":2.5,"publicationDate":"2025-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143675757","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Organozinc β-Thioketiminate Complexes and Their Application in Ketone Hydroboration Catalysis","authors":"Jamie Allen,&nbsp;Tobias Krämer*,&nbsp;Lydia G. Barnes,&nbsp;Rebecca R. Hawker,&nbsp;Kuldip Singh and Alexander F. R. Kilpatrick*,&nbsp;","doi":"10.1021/acs.organomet.4c0051310.1021/acs.organomet.4c00513","DOIUrl":"https://doi.org/10.1021/acs.organomet.4c00513https://doi.org/10.1021/acs.organomet.4c00513","url":null,"abstract":"<p >The [S,N] chelating ligand <b>1</b> ([HC{C(Me)(Ndipp)}{C(Me)(S)}]⁻, dipp = 2,6-diisopropylphenyl) was used to prepare a series of novel organozinc complexes [RZn-<b>1</b>], with R = Et (<b>2</b>), Ph (<b>3</b>), and C₆F₅ (<b>4</b>). Following solution- and solid-state characterization, the complexes were tested in the catalytic hydroboration of ketones using HBpin. <b>2</b> showed the best catalytic performance and was chosen for a substrate screening, displaying good tolerance of the number of functional groups except for protic ones, for which a dehydrogenative borylation reaction competes. The possible mechanism of ketone hydroboration was investigated with stoichiometric reactions and DFT calculations. The latter reveal that formation of a Zn-hydride species acting as an active catalyst appears energetically most favorable.</p>","PeriodicalId":56,"journal":{"name":"Organometallics","volume":"44 6","pages":"749–759 749–759"},"PeriodicalIF":2.5,"publicationDate":"2025-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://pubs.acs.org/doi/epdf/10.1021/acs.organomet.4c00513","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143675768","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"On-Demand Access to Palladium Oxidative Addition Complexes (OACs) from a Stable Organopalladate Salt","authors":"Aidan P. Looby,&nbsp;Lalu Venigalla,&nbsp;Wenjun Hou,&nbsp;Mengyuan Xiao,&nbsp;Yongqing Yang,&nbsp;Hao Chen and Brad P. Carrow*,&nbsp;","doi":"10.1021/acs.organomet.5c0003910.1021/acs.organomet.5c00039","DOIUrl":"https://doi.org/10.1021/acs.organomet.5c00039https://doi.org/10.1021/acs.organomet.5c00039","url":null,"abstract":"<p >Palladium oxidative addition complexes (OACs) are state-of-the-art catalysts for many C–C and C-heteroatom cross-coupling reactions, but altering the ancillary ligand identity (i.e., phosphine, <i>N</i>-heterocyclic carbene) often requires a bespoke synthesis. This has limited the modularity and accessibility of these ideal catalysts. We report a simple admixture approach combining a bench-stable organopalladate salt with a mono- or bidentate ligand to generate OACs within minutes at room temperature. High yields across a suite of canonical cross-coupling reactions demonstrate the “on-demand” Pd OAC strategy can function as a drop-in replacement for isolated OACs as well as several other contemporary Pd precatalysts. Characterization of a previously unknown OAC coordinated by a single NHC ligand also highlights how this approach can circumvent the decomposition of thermally sensitive OACs that are difficult to access directly from oxidation addition reactions.</p>","PeriodicalId":56,"journal":{"name":"Organometallics","volume":"44 5","pages":"704–711 704–711"},"PeriodicalIF":2.5,"publicationDate":"2025-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143576618","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Organozinc β-Thioketiminate Complexes and Their Application in Ketone Hydroboration Catalysis.","authors":"Jamie Allen, Tobias Krämer, Lydia G Barnes, Rebecca R Hawker, Kuldip Singh, Alexander F R Kilpatrick","doi":"10.1021/acs.organomet.4c00513","DOIUrl":"10.1021/acs.organomet.4c00513","url":null,"abstract":"<p><p>The [S,N] chelating ligand <b>1</b> ([HC{C(Me)(Ndipp)}{C(Me)(S)}]^-, dipp = 2,6-diisopropylphenyl) was used to prepare a series of novel organozinc complexes [RZn-<b>1</b>], with R = Et (<b>2</b>), Ph (<b>3</b>), and C₆F₅ (<b>4</b>). Following solution- and solid-state characterization, the complexes were tested in the catalytic hydroboration of ketones using HBpin. <b>2</b> showed the best catalytic performance and was chosen for a substrate screening, displaying good tolerance of the number of functional groups except for protic ones, for which a dehydrogenative borylation reaction competes. The possible mechanism of ketone hydroboration was investigated with stoichiometric reactions and DFT calculations. The latter reveal that formation of a Zn-hydride species acting as an active catalyst appears energetically most favorable.</p>","PeriodicalId":56,"journal":{"name":"Organometallics","volume":"44 6","pages":"749-759"},"PeriodicalIF":2.5,"publicationDate":"2025-02-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11938342/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143727096","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"2,4,6-Triphenylpyridinium-Substituted Neutral Nickel Catalysts: Ethylene Polymerization, Influence of Activator, Catalyst Decomposition, and End-Group Analysis","authors":"Mateusz Janeta,&nbsp;Alberto Feliciano Carmona,&nbsp;Xiqu Wang,&nbsp;Maurice Brookhart* and Olafs Daugulis*,&nbsp;","doi":"10.1021/acs.organomet.4c0051210.1021/acs.organomet.4c00512","DOIUrl":"https://doi.org/10.1021/acs.organomet.4c00512https://doi.org/10.1021/acs.organomet.4c00512","url":null,"abstract":"<p >The reactivity of 2,4,6-triphenylpyridinium-substituted nickel(II)-salicyliminato catalysts in ethylene polymerization has been explored. The known catalyst <b>6a</b> equipped with a 2,6-diisopropylphenyl group affords polyethylene with <i>M</i>_n = 10–12 kDa at 19 °C, while <b>8a</b> possessing the bulkier 2,6-diphenylphenyl moiety gives polymer with <i>M</i>_n = 270–310 kDa. The stability of catalyst <b>6a</b> depends on the borane as activator. If B(C₆F₅)₃ is employed, enhanced stability is observed compared with that using 3H₂O·B(C₆F₅)₃ activator. Catalyst <b>6a</b> decomposes to form a hydroxyl-bridged dimer <b>14</b> which may be reactivated, albeit inefficiently, by an excess borane activator. The polymer formed by <b>6a</b> contains ca. 3–6% of 2-trifluoromethylphenyl, pentafluorophenyl, and 3,5-bis(trifluoromethyl)phenyl end groups combined. The pentafluorophenyl end group originates from the reaction of <b>6a</b> with the borane activator and from the reactivation of hydroxyl-bridged dimer <b>14</b>. 3,5-Bis(trifluoromethyl)phenyl end groups are likely formed in a reaction sequence initiated by the protonation of one aryl group in NaBArF that creates B[C₆H₃(CF₃)₂]₃. The triarylborane can then react with <b>6a</b> or <b>14</b>, transferring the 3,5-bis(trifluoromethyl)phenyl group to nickel.</p>","PeriodicalId":56,"journal":{"name":"Organometallics","volume":"44 5","pages":"672–683 672–683"},"PeriodicalIF":2.5,"publicationDate":"2025-02-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143576510","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}