Search Results - "Weismann, Daniel"

High-Spin Cyclopentadienyl Complexes: A Single-Molecule Magnet Based on the Aryl-Iron(II) Cyclopentadienyl Type by Weismann, Daniel, Sun, Yu, Lan, Yanhua, Wolmershäuser, Gotthelf, Powell, Annie K., Sitzmann, Helmut

“…The mononuclear high‐spin iron(II) complex 1, coordinated by a pentaisopropylcyclopentadienide and an aryl group (see graphic), has been prepared and…”
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Stable and Persistent Acyclic Diaminocarbenes with Cycloalkyl Substituents and Their Transformation to β‐Lactams by Uncatalysed Carbonylation with CO by Wallbaum, Lars, Weismann, Daniel, Löber, Dennis, Bruhn, Clemens, Prochnow, Pascal, Bandow, Julia E., Siemeling, Ulrich

“…Four new acyclic diaminocarbenes (ADACs), viz. [(cyclo‐CnH2n−1)2N]2C (n=5–7) and iPr2N‐C‐N(cyclo‐C6H11)2, were synthesised by reacting the corresponding…”
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Cover Feature: Stable and Persistent Acyclic Diaminocarbenes with Cycloalkyl Substituents and Their Transformation to β‐Lactams by Uncatalysed Carbonylation with CO (Chem. Eur. J. 6/2019) by Wallbaum, Lars, Weismann, Daniel, Löber, Dennis, Bruhn, Clemens, Prochnow, Pascal, Bandow, Julia E., Siemeling, Ulrich

“…Acyclic diaminocarbenes (ADACs) are ambiphilic, which makes them suitable for the activation of fundamentally important small molecules. For example, most of…”
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New Stable and Persistent Acyclic Diaminocarbenes by Schulz, Tim, Weismann, Daniel, Wallbaum, Lars, Guthardt, Robin, Thie, Charlotte, Leibold, Michael, Bruhn, Clemens, Siemeling, Ulrich

“…The portfolio of acyclic diaminocarbenes (ADACs) has been substantially expanded, owing to the synthesis of eleven new formamidinium salts, mostly of the type…”
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Iron-Mediated Coupling of Two Ethyl Anions to Form a 2-Butyne Ligand by Bauer, Heiko, Weismann, Daniel, Wolmershäuser, Gotthelf, Sun, Yu, Sitzmann, Helmut

“…The σ‐aryliron complexes [5CpFe(C6H3iPr2‐2,6)] (2, 5Cp = η5‐C5iPr5) and [4CpFe(C6H3iPr2‐2,6)] (6, 4Cp = η5‐C5HiPr4) are available from the halides…”
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Cyclopentadiene Alkylation and Nickel Complexes with Tri-, Tetra-, or Pentaisopropylcyclopentadienide or an Even Bulkier Lithium Alkylcyclopentadienide by Weismann, Daniel, Saurenz, Dirk, Boese, Roland, Bläser, Dieter, Wolmershäuser, Gotthelf, Sun, Yu, Sitzmann, Helmut

“…Phase transfer catalysis has been adapted to the synthesis of triisopropylcyclopentadiene isomers 1 in high yield and purity. Alkylation of sodium…”
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Dibenzo[c,g]fluorenyliron: An Organometallic Relative of Pentahelicene by Pammer, Frank, Sun, Yu, Pagels, Markus, Weismann, Daniel, Sitzmann, Helmut, Thiel, Werner R

“…Close relatives! The Pd‐catalyzed hydrogenation of the “isolated” CC double bonds of dibenzo[c,g]fluorenide coordinated to an FeII center confirms that the…”
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Exploring the Concept of Aromaticity on Complexes of a Fourfold Benzannulated Cyclopentadienyl Ligand by Pammer, Frank, Sun, Yu, Weismann, Daniel, Sitzmann, Helmut, Thiel, Werner R.

“…The ligand dibenzo[c,g]fluorenide (Dbf−), combines a cyclopentadienide ligand and 1,1′‐binaphthyl fragment in one molecule. Preliminary investigations…”
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Reactive Sigma-Aryliron Complexes or Iron-Promoted Coupling of Two Phenyl Anions to One Bis(cyclohexadienylidene) Ligand: Synthesis, Structure, Mass Spectrometry, and DFT Calculations by Wallasch, Mark W, Weismann, Daniel, Riehn, Christoph, Ambrus, Stefan, Wolmershäuser, Gotthelf, Lagutschenkov, Anita, Niedner-Schatteburg, Gereon, Sitzmann, Helmut

“…A reaction of the bulky alkylcyclopentadienyliron(II) high-spin complex [Cp′′′Fe(μ-Br)]2 (1a) (Cp′′′ = C5H2(CMe3)3-1,2,4) with phenylmagnesium bromide produced…”
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Cover Picture: High-Spin Cyclopentadienyl Complexes: A Single-Molecule Magnet Based on the Aryl-Iron(II) Cyclopentadienyl Type (Chem. Eur. J. 17/2011) by Weismann, Daniel, Sun, Yu, Lan, Yanhua, Wolmershäuser, Gotthelf, Powell, Annie K., Sitzmann, Helmut

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Dibenzo[c,g]fluorenyleisen: ein metallorganischer Verwandter von Pentahelicen by Pammer, Frank, Sun, Yu, Pagels, Markus, Weismann, Daniel, Sitzmann, Helmut, Thiel, Werner R.

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Dibenzo[c,g]fluorenyleisen: ein metallorganischer Verwandter von Pentahelicen by Pammer, Frank, Sun, Yu, Pagels, Markus, Weismann, Daniel, Sitzmann, Helmut, Thiel, Werner R.

“…Familiäre Verhältnisse: Die Pd‐katalysierte Hydrierung der „isolierten“ CC‐Doppelbindungen von FeII‐koordiniertem Dibenzo[c,g]fluorenid bestätigt die…”
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