Search Results - "Irran, Elisabeth"

Copper‐Catalyzed Regio‐ and Enantioselective Addition of Silicon Grignard Reagents to Alkenes Activated by Azaaryl Groups by Mao, Wenbin, Xue, Weichao, Irran, Elisabeth, Oestreich, Martin

“…A new application of silicon Grignard reagents in C(sp3)−Si bond formation is reported. With the aid of BF3⋅OEt2, these silicon nucleophiles add across alkenes…”
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Electron-Rich N‑Heterocyclic Silylene (NHSi)–Iron Complexes: Synthesis, Structures, and Catalytic Ability of an Isolable Hydridosilylene–Iron Complex by Blom, Burgert, Enthaler, Stephan, Inoue, Shigeyoshi, Irran, Elisabeth, Driess, Matthias

“…The first electron-rich N-heterocyclic silylene (NHSi)–iron(0) complexes are reported. The synthesis of the starting complex is accomplished by reaction of the…”
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Synthesis and Unexpected Coordination of a Silicon(II)-Based SiCSi Pincerlike Arene to Palladium by Wang, Wenyuan, Inoue, Shigeyoshi, Irran, Elisabeth, Driess, Matthias

“…SiCSi to pick up a metal: A bis(silylene) SiCSi pincerlike arene 1 (see scheme) has been synthesized through salt metathesis reaction of the dilithium salt of…”
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Autocatalytic Carbonyl Arylation through In Situ Release of Aryl Nucleophiles from N‐Aryl‐N′‐Silyldiazenes by Chauvier, Clément, Finck, Lucie, Irran, Elisabeth, Oestreich, Martin

“…A method for the catalytic generation of functionalized aryl alkali metals is reported. These highly reactive intermediates are liberated from silyl‐protected…”
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Formation of an Imino-Stabilized Cyclic Tin(II) Cation from an Amino(imino)stannylene by Ochiai, Tatsumi, Franz, Daniel, Irran, Elisabeth, Inoue, Shigeyoshi

“…The novel amino(imino)stannylene 1 was prepared by conversion of HNIPr (NIPr=bis(2,6‐diisopropylphenyl)imidazolin‐2‐imino) with one equivalent of Lappert’s tin…”
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Characterization of hydrogen-substituted silylium ions in the condensed phase by Wu, Qian, Irran, Elisabeth, Müller, Robert, Kaupp, Martin, Klare, Hendrik F T, Oestreich, Martin

“…Hydrogen-substituted silylium ions are long-sought reactive species. We report a protolysis strategy that chemoselectively cleaves either an Si-C(sp ) or an…”
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Photoswitching neutral homoaromatic hydrocarbons by Tran Ngoc, Trung, Grabicki, Niklas, Irran, Elisabeth, Dumele, Oliver, Teichert, Johannes F.

“…Homoaromatic compounds possess an interrupted π system but display aromatic properties due to through-space or through-bond interactions. Stable neutral…”
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Isolation and Structure of Germylene-Germyliumylidenes Stabilized by N-Heterocyclic Imines by Ochiai, Tatsumi, Szilvási, Tibor, Franz, Daniel, Irran, Elisabeth, Inoue, Shigeyoshi

“…The ditopic germanium complex FGe(NIPr)2Ge[BF4] (3[BF4]; IPr=1,3‐bis(2,6‐diisopropylphenyl)imidazolin‐2‐ylidene) is prepared by the reaction of the…”
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Exploring the Reactivity of Nickel Pincer Complexes in the Decomposition of Formic Acid to CO2/H2 and the Hydrogenation of NaHCO3 to HCOONa by Enthaler, Stephan, Brück, Andreas, Kammer, Anja, Junge, Henrik, Irran, Elisabeth, Gülak, Samet

“…The nickel‐catalyzed decomposition of formic acid to yield molecular hydrogen and the nickel‐catalyzed hydrogenation of bicarbonate as a carbon dioxide mimic…”
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The Elusive Silyliumylidene [ClSi:]+ and Silathionium [ClSiS]+ Cations Stabilized by Bis(Iminophosphorane) Chelate Ligand by Xiong, Yun, Yao, Shenglai, Inoue, Shigeyoshi, Irran, Elisabeth, Driess, Matthias

“…Donor–acceptor trumps: The chlorosilyliumylidene salt 2 with a three‐coordinate silicon(II) atom is accessible through ligand exchange between NHCSiCl2 and…”
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Cooperative Al–H Bond Activation in DIBAL-H: Catalytic Generation of an Alumenium-Ion-Like Lewis Acid for Hydrodefluorinative Friedel–Crafts Alkylation by Forster, Francis, Metsänen, Toni T, Irran, Elisabeth, Hrobárik, Peter, Oestreich, Martin

“…The Ru–S bond in Ohki–Tatsumi complexes breaks oligomeric DIBAL-H structures into their more reactive monomer. That deaggregation is coupled to heterolytic…”
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Enantioselective Nazarov Cyclizations Catalyzed by an Axial Chiral C6F5‐Substituted Boron Lewis Acid by Süsse, Lars, Vogler, Maria, Mewald, Marius, Kemper, Benedict, Irran, Elisabeth, Oestreich, Martin

“…A chiral variant of B(C6F5)3 with a 3,3′‐disubstituted binaphthyl backbone is shown to catalyze Nazarov cyclizations with high levels of enantio‐ and…”
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Highly Selective Iron-Catalyzed Synthesis of Alkenes by the Reduction of Alkynes by Enthaler, Stephan, Haberberger, Michael, Irran, Elisabeth

“…Herein, the iron-catalyzed reduction of a variety of alkynes with silanes as a reductant has been examined. With a straightforward catalyst system composed of…”
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A Donor-Stabilized Zwitterionic "Half-Parent" Phosphasilene and Its Unusual Reactivity towards Small Molecules by Hansen, Kerstin, Szilvási, Tibor, Blom, Burgert, Irran, Elisabeth, Driess, Matthias

“…The stabilization of the labile, zwitterionic “half‐parent” phosphasilene 4 L′SiPH (L′=CH[(CCH2)CMe(NAr)2]; Ar=2,6‐iPr2C6H3) could now be accomplished by…”
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The crystal structure of the co-crystal tetrakis[2-(tris(4-methoxyphenyl)stannyl)ethyl]silane – tetrahydrofuran – toluene – tetrahydrofurane (1/1/1), C103H116O13SiSn4 by Aksu, Yilmaz, Irran, Elisabeth, Aksu, Sevil

“…SiSn , triclinic, (no. 2),  = 14.8676(4) Å,  = 17.6664(4) Å,  = 20.8357(6) Å,  = 106.430(2)°,  = 107.192(2)°,  = 100.898(2)°,  = 4787.5(2) Å ,  = 2,…”
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The occurrence of ansamers in the synthesis of cyclic peptides by Yao, Guiyang, Kosol, Simone, Wenz, Marius T., Irran, Elisabeth, Keller, Bettina G., Trapp, Oliver, Süssmuth, Roderich D.

“…α-Amanitin is a bicyclic octapeptide composed of a macrolactam with a tryptathionine cross-link forming a handle. Previously, the occurrence of isomers of…”
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From an Isolable Acyclic Phosphinosilylene Adduct to Donor-Stabilized SiE Compounds (E=O, S, Se) by Hansen, Kerstin, Szilvási, Tibor, Blom, Burgert, Irran, Elisabeth, Driess, Matthias

“…Reaction of the arylchlorosilylene‐NHC adduct ArSi(NHC)Cl [Ar=2,6‐Trip2C6H3; NHC=(MeC)2(NMe)2C:] 1 with one molar equiv of lithium diphenylphosphanide affords…”
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Formation of a Donor-Stabilized Tetrasilacyclobutadiene Dication by a Lewis Acid Assisted Reaction of an N-Heterocyclic Chloro Silylene by Inoue, Shigeyoshi, Epping, Jan D, Irran, Elisabeth, Driess, Matthias

“…The first donor-stabilized tetrasilacyclobutadiene dication species has been synthesized and fully characterized. Its unexpected formation occurs by the Lewis…”
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Electrophilic Formylation of Arenes by Silylium Ion Mediated Activation of Carbon Monoxide by Omann, Lukas, Qu, Zheng‐Wang, Irran, Elisabeth, Klare, Hendrik F. T., Grimme, Stefan, Oestreich, Martin

“…Arene‐stabilized silylium ions react with carbon monoxide rather than carbon monoxide adducts of silylium ions reacting with arenes. This mechanism is…”
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Synthesis, Characterization and Catalytic Application of Iron Complexes Modified by Monodentate Phosphane Ligands by Haberberger, Michael, Irran, Elisabeth, Enthaler, Stephan

“…In the present study, the properties of new monodentate phosphane ligands with a N,N‐diphenyl‐1H‐pyrrol‐1‐amine moiety have been investigated. The ligands are…”
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