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  • 1
    Electronic Resource
    Electronic Resource
    Verbindungen mit Vanadium-Chalkogen- und Chrom-Chalkogen-Mehrfachbindungen Kristallstrukturen von (μ-Se)[V(CO)3(dppe)]2 und (μ-Te)[V(CO)3(dppe)]2 (1985)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 118 (1985), S. 4059-4067 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Compounds with Vanadium-Chalkogen and Chromium-Chalkogen Multiple Bonds Crystal Structures of (μ-Se)[V(CO)3(dppe)]2 und (μ-Te)[V(CO)3(dppe)]2The compounds (μ-S)[V(CO)3(dppe)]2 (1), (μ-Se)[V(CO)3(dppe)]2 (2), and (μ-Te)[V(CO)3(dppe)]2 (3) have been prepared by a number of routes and investigated in some detail. Their X-ray structures show linear VEV systems with very short bond distances in 1 and 2 (isostructural), whereas the tellurido compound 3 has in its center a slightly bent VTeV group (165.9°). Bond orders between 2 and 3 are assumed in 1 - 3. In similar ways (μ-S)[Cr(CO)2(C5H5)]2 (4), (μ-Se)[Cr(CO)2(C5H5)]2 (5), and (μ-Te)[Cr(CO)3(C5H5)]2 (6) have been prepared. They are briefly described.
    Notes: Die Verbindungen (μ-S)[V(CO)3(dppe)]2 (1), (μ-Se)[V(CO)3(dppe)]2 (2) und (μ-Te)[V(CO)3(dppe)]2 (3) wurden auf mehreren Reaktionswegen dargestellt und ausführlicher untersucht. Ihre Röntgenstrukturen zeigen lineare VEV-Systeme mit sehr kurzen Bindungsabständen in 1 und 2 (isostrukturell), wogegen die Tellurido-Verbindung 3 im Zentrum eine schwach gebogene VTeV-Gruppe (165.9°) enthält. Bindungsordnungen zwischen 2 und 3 werden für 1 - 3 angenommen. Auf ähnliche Weise wurden (μ-S)[Cr(CO)2(C5H5)]2 (4), (μ-Se)[Cr(CO)2(C5H5)]2 (5) und (μ-Te)[Cr(CO)3(C5H5)]2 (6) dargestellt. Sie werden kurz beschrieben.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19851181017
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  • 2
    Electronic Resource
    Electronic Resource
    Übergangsmetall-Fulven-Komplexe, XII. Über (Azulen)tricarbonylchrom(0)-Komplexe (1978)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 111 (1978), S. 3001-3003 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Transition Metal Fulvene Complexes, XII. (Azulene)tricarbonylchromium(0) ComplexesThe synthesis of (azulene)tricarbonylchromium(0) (2) and tricarbonyl(4,6,8-trimethylazulene)-chromium(0) (3), the first azulene derivatives of hexacarbonylchromium, is described. The Cr(CO)3 group is coordinated to the five-membered ring of the azulene. Nucleophilic addition of CH3Li to 3 leads to the tricarbonyl(1,7 - 10-η-2,4,6,6-tetramethylbicyclo[5.3.0]deca-2,4,7,9-tetraen-1-yl)-chromate anion as salt 4.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19781110829
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  • 3
    Electronic Resource
    Electronic Resource
    Übergangsmetall-Fulven-Komplexe, VIII: Photochemische Substitution des Aromaten in (Aromat)Cr(CO)3-Komplexen durch Fulvene (1978)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 111 (1978), S. 817-818 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Transition Metal Fulvene Complexes, VIII: Photochemical Substitution of Arene in (Arene)Cr(CO)3 Complexes by FulvenesFor the first time a photochemical reaction of (arene)tricarbonylchromium complexes is described, in which the arene is displaced by a cyclic triene. By this method (fulvene)Cr(CO)3 complexes are formed nearly quantitatively.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19781110245
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  • 4
    Electronic Resource
    Electronic Resource
    1,6-Anhydrofuranosen, IX. Selektive Monotosylierung der 1,6-Anhydro-α-D-galactofuranose. Synthese und Bestimmung der Molekülstruktur der 1,6 :3,5-Dianhydro - α-D-gulofuranose (1979)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 112 (1979), S. 2068-2078 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: 1,6-Anhydrofuranoses, IX. Selective Monotosylation of 1,6-Anhydro-α-D-galactofuranose. Synthesis and Structure Determination of 1,6: 3,5-Dianhydro-α-D-gulofuranoseReaction of 1,6-anhydro-α-D-galactofuranose (1a) with 1.7 mol ρ-toluenesulfonyl chloride gives a mixture of all possible tosylates, the 3-0-derivative 1f with than 40% isolated yield predominating. Cyclization of 1f yields 1,6:3,5-dianhydro-α-D-gulofuranose (2a) with 2,5,7-trioxatricyclo[4.2.1.03.8]nonane skeleton. the structure of it being determined by X-ray crystallography and discussed in comparison to the equally determind structure of 1,6-anhydro-α-L-gulofuranose (3a).
    Notes: Umsetzung von 1,6-Anhydro-α-D-galactofuranose (1a) mit 1.7 mol ρ-Toluolsulfonylchlorid liefert ein Gemisch aller denkbaren Tosylate, in dem das 3-0-Derivat 1fmit über 40% isolierter Ausbeute überwiegt. Dieses läßt sich zur 1,6:3,5-Dianhydro-α-D-gulofuranose (2a) mit 2,5,7-Trioxatricyclo[4.2.1.03.8] nonan-Gerüst cyclisieren, deren Struktur wie die der 1,6-Anhydro-α-L-gulofuranose (3a) durch Röntgenstrukturanalyse bestimmt und diskutiert wird.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19791120617
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  • 5
    Electronic Resource
    Electronic Resource
    Über Metallalkyl- und -aryl- Verbindungen, XXVII. Darstellung und Kristallstruktur von Bis(phenylethinyl)bis-(N,N,N′,N′-tetramethylethylendiamin)magnesium, Mg(C≡CPh)2(tmeda)2 (1981)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 114 (1981), S. 2640-2643 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Metal Alkyl and Aryl Compounds, XXVII. Preparation and Crystal structure of Bis(phenylethynyl)bis(N, N, N′,N′-tetramethylethylenediamine)magnesium, Mg(C≡CPh)2(tmeda)2The title compound has been prepared from bis(phenylethynyl)magnesium and N, N, N′,N′-tetramethylethylenediamine (tmeda) and investigated by X-ray diffraction methods (orthorhombic space group Cmcm, Z = 4, 696 (reflections, R = 0.049). It represents a first example of an organomagnesium compound with octahedral coordination of the central atom. The phenylethynyl ligands are in trans position.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19811140726
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  • 6
    Electronic Resource
    Electronic Resource
    Übergangsmetall-Fulven-Komplexe, XVIII. Über (Fulven)nickel(0)-Komplexe. Strukturvergleich von (1,5-Cyclooctadien)(6,6-diphenylfulven)nickel und Tricarbonyl-(6,6-diphenylfulven)eisen (1982)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 115 (1982), S. 1325-1331 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Transition Metal Fulvene Complexes, XVIII. On (Fulvene)nickel(0) Complexes. Structure Comparison of (1,5-Cyclooctadiene)(6,6-diphenylfulvene)nickel and Tricarbonyl(6,6-diphenylfulvene)ironBis(1,5-cyclooctadiene)nickel reacts with 6,6-diarylfulvenes to give compounds of the type (1,5-cyclooctadiene)(6,6-diarylfulvene)nickel(0) (2). The complex (1,5-cyclooctadiene)(6,6-diphenylfulvene)nickel(0) · ½ cyclohexane (2a) has been characterized by an X-ray analysis and is compared with the structure of tricarbonyl(6,6-diphenylfulvene)iron (4). The coordinated cyclooctadiene in 2a is easily exchanged by other ligands such as 2,2′-bipyridine.
    Notes: Bis(1,5-cyclooctadien)nickel reagiert mit 6,6-Diarylfulvenen zu Verbindungen des Typs (1,5-Cyclooctadien)(6,6-diarylfulven)nickel(0) (2). Der Komplex (1,5-Cyclooctadien)(6,6-diphenylfulven)nickel(0) · ½ Cyclohexan (2a) wurde durch eine Röntgenstrukturanalyse charakterisiert und wird mit der Struktur des Tricarbonyl(6,6-diphenylfulven)eisens (4) verglichen. Das koordinierte Cyclooctadien in 2a läßt sich leicht gegen andere Liganden, wie z. B. 2,2′-Bipyridin, austauschen.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19821150408
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  • 7
    Electronic Resource
    Electronic Resource
    Übergangsmetall-Thioketen-Komplexe, III. Synthese und Struktur von Thioketen-Komplexen von Hexacarbonylchrom, Hexacarbonylwolfram und Tricarbonyl(cyclopentadienyl)mangan (1982)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 115 (1982), S. 1332-1338 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Transition Metal Thioketene Complexes, III. Synthesis and Structure of Thioketene Complexes from Hexacarbonylchromium, Hexacarbonyltungsten, and Tricarbonyl(cyclopentadienyl)manganeseStable dialkylthioketenes react photochemically with Cr(CO)6, W(CO)6, and (C5H5)Mn(CO)3 to give the complexes 2 and 3 with the ligand coordinated via the sulfur atom. The structure of the manganese complex 2c has been determined by X-ray diffraction.
    Notes: Stabile Dialkylthioketene (1a,b) reagieren photochemisch mit Cr(CO)6, W(CO)6 und (C5H5)Mn(CO)3 zu den Komplexen 2 und 3, in denen der Ligand über das Schwefelatom koordiniert ist. Die Struktur des Mangankomplexes 2c wurde röntgenographisch bestimmt.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19821150409
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  • 8
    Electronic Resource
    Electronic Resource
    Chalkogenolat-Ionen und ihre Derivate, III. Kristall- und Molekülstruktur von Tetraphenylphosphonium-tris(tellurophenolato)mercurat(II) (1977)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 110 (1977), S. 3672-3677 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Chalcogenolate Ions and their Derivatives, III. Crystal and Molecular Structure of Tetraphenylphosphonium Tris(tellurophenolato)mercurate(II)The structure of the title compound 1c has been determined from single crystal X-ray data and refined to an R-value of 0.049 using 3509 symmetry-independent reflections. 1c crystallizes in the space group P21/c, and has an ionic structure with isolated cations and anions. In the trigonale planar anion [Hg(TePh)3]-, the ligands have a propeller-like arangement about the central Hg-atom. The mean Hg-Te distance is 269.7 pm.
    Notes: Die Struktur der Titelverbindung 1c wurde aus Diffraktometer-Einkristalldaten bestimmt und für 3509 symmetrieunabhängige Reflexe zu einem R-Wert von 0.049 verfeinert. 1c kristallisiert in der Raumgruppe P21/c und besitzt eine salzartige Struktur mit isolierten Kationen und Anionen. Im trigonal ebenen Anion [Hg(TePh)3]- sind die Liganden propellerartig um das zentrale Hg-Atom angeordnet. Der mittlere Hg—Te-Abstand beträgt 269.7 pm.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19771101121
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  • 9
    Electronic Resource
    Electronic Resource
    Cyclopropene als Komplexliganden: Darstellung und Struktur von Komplexen des Typs (η3:η1-Allylcarbonyl)tricarbonyleisen, (η3:η1-C3R1R2R3R3′CO)Fe(CO)3, und Hexacarbonyl-μ-(phenylallyl)-dieisen(Fe—Fe), (C3PhR1R2R3)Fe2(CO)6 (1978)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 111 (1978), S. 3019-3028 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Cyclopropenes as Complex Ligands: Preparation and Structure of Complexes of the Types (η3:η1-Allylcarbonyl)tricarbonyliron, (η3:η1-C3R1R2R3R3′CO)Fe(CO)3, and Hexacarbonyl-μ-(phenylallyl)-diiron(Fe—Fe), (C3PhR1R2R3)Fe2(CO)6Cyclopropenes (1a-e) react with Fe2(CO)9 in the molar ratio 1:1 to give (η3:η1-allylcarbonyl)tricarbonyliron compounds (2a-e) with opening of the three-membered ring and insertion of CO. The structure of tricarbonyl(η3:η1-1,2,3-triphenylallylcarbonyl)iron (2d) has been determined by X-ray analysis.  -  3-Phenyl-substituted cyclopropenes (1d-f) react with excess Fe2(CO)9 to give hexacarbonyl-μ-(η2-phenyl-η3:η1-allyl)diiron(Fe—Fe) complexes (4d-f). 4d and e are also formed from 2d and e with additional Fe2(CO)9. The crystal structure of hexacarbonyl-μ-(1η2,2,3-triphenyl-η3:η1-allyl)-diiron(Fe—Fe) (4d) has also been determined.
    Notes: Cyclopropene (1a-e) reagieren mit Fe2(CO)9 im Molverhältnis 1:1 unter Öffnung des Dreirings und CO-Einschiebung zu (η3:η1-Allylcarbonyl)tricarbonyleisen-Komplexen (2a-e). Die Struktur von Tricarbonyl(η3:η1-1,2,3-triphenylallylcarbonyl)eisen (2d) wurde röntgenographisch bestimmt. - 3-Phenylsubstituierte Cyclopropene (1d-f) reagieren mit überschüssigem Fe2(CO)9 zu Hexacarbonyl-μ-(η2-phenyl-η3:η1-allyl)-dieisen(Fe—Fe)-Komplexen (4d-f). 4d und e entstehen auch aus 2d und e mit weiterem Fe2(CO)9. Die Kristallstruktur von Hexacarbonyl-μ-(1η2, 2,3-triphenyl-η3:η1-allyl)-dieisen(Fe—Fe) (4d) wurde gleichfalls ermittelt.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19781110902
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  • 10
    Electronic Resource
    Electronic Resource
    Übergangsmetall-Fulven-Komplexe, IX: Darstellung und Strukturaufklärung von Pentacarbonyl-[6-cyclopropyl-6-(trans-1-propenyl)fulven]dieisen(Fe—Fe) (1978)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 111 (1978), S. 1998-2002 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Transition Metal Fulvene Complexes, IX: Preparation and Structure of Pentacarbonyl[6-cyclopropyl-6-(trans-1-propenyl)fulvene]-diiron(Fe-Fe)6,6-Dicyclopropylfulvene (1) reacts with Fe2(CO)9 to give Pentacarbonyl[6-cyclopropyl-6-(trans-1-propenyl)fulvene]diiron(Fe—Fe) (2). The new complex was characterized by usual spectroscopic methods and by an X-ray structure analysis.
    Notes: 6,6-Dicyclopropylfulven (1) reagiert mit Fe2(CO)9 zu Pentacarbonyl[6-cyclopropyl-6-(trans-1-propenyl)fulven]dieisen(Fe—Fe) (2). Der neue Komplex wurde mit den üblichen spektroskopischen Methoden und durch eine Röntgenstrukturanalyse charakterisiert.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19781110533
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