Library

X
feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
  • 1
    Electronic Resource
    Electronic Resource
    Beugung an periodischen Mustern (1995)
    Weinheim : Wiley-Blackwell
    Chemie in unserer Zeit 29 (1995), S. 87-92 
    Details
    ISSN: 0009-2851
    Keywords: Chemistry ; Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ciuz.19950290205
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Notiz/Note Zur Stereochemie der Reaktion von Vinylhalogeniden mit Perchlorcyclopentadien: Cycloaddition über Vinylkationen (1991)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 124 (1991), S. 2373-2375 
    Details
    ISSN: 0009-2940
    Keywords: Cycloaddition ; Perchlorocyclopentadiene ; Vinyl halides ; Haloethenes ; Vinyl cations ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The Stereochemistry of the Reaction between Vinyl Halides and Perchlorocyclopentadiene: Cycloaddition via Vinyl CationsIn the presence of aluminium chloride vinyl halides react with perchlorocyclopentadiene to yield stereoselectively bicyclic compounds (e.g. 2a), the structure of which is determined in two cases (2a, b) by X-ray analysis. Vinyl cations are proposed as intermediates.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19911241035
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Einkristall-Röntgenstrukturanalysen an Verbindungen mit Kovalenter Metall-Metall-Bindung, I. Die Molekül-und Kristallstruktur von Octacarbonyl-bis-[μ-(pentacarbonylmangan)gallium(III)]-dimangan und Octacarbonyl-bis[μ-(pentacarbonylmangan)indium(III)]-dimangan (1974)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 107 (1974), S. 2860-2869 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Single-Crystal X-Ray Analysis of Compounds with a Covalent Metal-Metal Bond, I The Molecular and Crystal Structure of Octacarbonyl-bis[μ(pentacarbonylmanganese)-gallium(III)]-dimanganese and Octacarbonyl-bis[μ-(pentacarbonylmanganese)indium(III)]-dimanganeseThe title compounds are isomorphous. The molecules Mn2(CO)8{μ-MMn(CO)5}2 (M = Ga, In) show no essential differences in structural pattern. They contain a planar M2Mn2 ring, in which the Mn—Mn distance [Ga: Mn—Mn = 3.052 (1) Å, In: Mn—Mn = 3.227 (1) Å] and the acute angle at the bridging atom Ga or In [Mn—Ga—Mn = 76.86(2)°, Mn—In—Mn = 76.36(2)°] are consistent with the existence of a Mn—Mn bond. The Mn atoms of the two Mn(CO)5 ligands have a trans-configuration with respect to the plane of the M2Mn2-metal ring. The mean values for the remaining bond distances are: Ga—Mn = 2.451 (1) Å, In—Mn = 2.605 (1) Å, Mn—C = 1.842 (5) Å, and Mn—C = 1.804(4) Å, C—O = 1.144 (7) Å.
    Notes: Die Titelverbindungen sind isomorph. Die Moleküle Mn2(CO)8{μ-MMn(CO)5}2 (M = Ga, In) zeigen im Aufbau keine wesentlichen Unterschiede. Sie enthalten einen ebenen M2Mn2-Metallring, in dem der Mn—Mn-Abstand [Ga: Mn—Mn = 3.052 (1) Å; In: Mn—Mn = 3.227 (1) Å] und der spitze Winkel am Brückenatom Ga bzw. In [Mn—Ga—Mn = 76.86 (2)°, Mn—In—Mn = 76.36 (2)°] eine Bindung zwischen den Manganatomen erkennen lassen. Die Mn-Atome der beiden Mn(Co)5 Liganden liegen in trans-Stellung zur M2Mn2-Ringebene vor. Die Mittelwerte der übrigen Bindungsabstände betragen: Ga—Mn = 2.451 (1) Å, In—Mn = 2.605 (1) Å, Mn—C = 1.842 (5) Å und Mn—C = 1.804(4) Å, C—O = 1.144(7) Å.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19741070908
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Einkristall-Röntgenstrukturanalysen an Verbindungen mit kovalenter Metall-Metall-Bindung, III. Die Molekül- und Kristallstruktur von Octacarbonyl-bis[μ-(pentacarbonylrhenium)indium(III)]-dirhenium (1975)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 108 (1975), S. 1447-1453 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Single Crystal X-Ray Analysis of Compounds with a Covalent Metal-Metal Bond, III. The Molecular and Crystal Structure of Octacarbonyl-bis[μ-(pentacarbonylrhenium)indium(III)]-dirheniumRe2(CO)8{μ-InRe(CO)5}2 crystallizes in the space group P 21/n with the lattice parameters a = 6.788(2) Å, b = 16.352(3) Å; c = 12.519(3) Å, and β = 89.23(5)° with two formula units in the cell. The molecule contains a planar Re2In2 ring, in which the Re-Re distance of 3.232(1) Å and the acute angle at the bridging atom In of 71.07(3)° are consistent with the existence of a Re - Re bond. The Re atoms of the two Re(CO)5 ligands have a trans-configuration with respect of the plane of the Re2In2-metal ring. The mean values for the remaining bond distances are: In - Re = 2.766(1) Å, Re - C = 1.98(2) Å, C - O = 1.14(2) Å.
    Notes: Re2(CO)8{μ-InRe(CO)5}2 kristallisiert in der Raumgruppe P 21/n mit den Gitterparametern a = 6.788(2) Å, b = 16.352(3) Å; c = 12.519(3) Å und β = 89.23(5)° mit zwei Formeleinheiten (Z = 2) pro Elementarzelle. Das Molekül enthält einen ebenen Re2In2-Metallring, in dem der Re-Re-Abstand = 3.232(1) Å und der spitze Winkel am Brückenatom In von 71.07(3)° eine Bindung zwischen den Rheniumatomen aufzeigen. Die Re-Atome der beiden Re(CO)5-Liganden liegen in trans-Stellung zur Re2In2-Ringebene. Die Mittelwerte der übrigen Bindungsabstände betragen: In - Re = 2.766(1) Å, Re - C = 1.98(2) Å, C - O = 1.14(2) Å.
    Additional Material: 6 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19751080512
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    Einkristall-Röntgenstrukturanalyse und chemische Strukturen auf Briefmarken (1989)
    Weinheim : Wiley-Blackwell
    Chemie in unserer Zeit 23 (1989), S. 121-129 
    Details
    ISSN: 0009-2851
    Keywords: Chemistry ; Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: In den Kapiteln „Kristalle“, „Röntgenbeugung“, „Mathematik“, „Computer“, „Kristall- und Molekülstrukturen“ und „Datenbanken“ begleiten wir den Autor auf einen unterhaltsamen und informativen Spaziergang durch das heute so wichtige Gebiet der Einkristall-Röntgenstruktur-analyse. Dabei erfahren wir nicht nur etwas von der historischen Entwicklung, sondern auch viele wichtige Details aus der Praxis des gewieften Röntgenstrukturanalytikers. Das Besondere dabei: Illustriert werden die Stationen dieses Streifzugs mit deutschen und internationalen Briefmarken aus den vergangenen 50 Jahren.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ciuz.19890230404
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    Enhydrazine, 37 Synthese eines Pyrazol-Analogen des 7-Aminomitosens (1984)
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1984 (1984), S. 1711-1718 
    Details
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Enehydrazines, 37. - Synthesis of a Pyrazole Analogue of 7-AminomitoseneThe 9-step synthesis of 7-amino-10-azamitosene (2b) from 3a is described. The crystal-structure analysis of the precursor 1b of 3a secures the position of the substituted propyl group at N-1 of compounds 1 and 3-7.
    Notes: Die neunstufige Synthese von 7-Amino-10-azamitosen (2b) aus 3a wird beschrieben. Die Kristallstrukturanalyse des Vorläufers 1b von 3a sichert die Stellung des substituierten Propylrestes an N-1 der Verbindungen 1 und 3-7.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jlac.198419841011
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 7
    Electronic Resource
    Electronic Resource
    Struktur von Tetracyclo[6.2.1.13,6.02,7]dodeca-4,9-dien: Ein Diolefin mit nahe benachbarten DoppelbindungenDiese Arbeit wurde vom Fonds der Chemischen Industrie unterstützt. (1984)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 96 (1984), S. 57-58 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19840960114
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 8
    Electronic Resource
    Electronic Resource
    Nonaphenyltristiboxan-1,5-diyl-disulfonateDiese Arbeit wurde vom Fonds der Chemischen Industrie gefördert. (1987)
    Weinheim : Wiley-Blackwell
    Zeitschrift für die chemische Industrie 99 (1987), S. 948-949 
    Details
    ISSN: 0044-8249
    Keywords: Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/ange.19870990930
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 9
    Electronic Resource
    Electronic Resource
    Darstellung und spektroskopische Charakterisierung der Persulfoniumsalze (CH3)(CF3)SF3+SbF6- und (CH3)(CF3)2SF2+SbF6- und Kristallstruktur von CF3SF2+SbF6- (1993)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 619 (1993), S. 174-180 
    Details
    ISSN: 0044-2313
    Keywords: Persulfonium salts ; preparation ; vibrational spectra ; NMR spectra ; crystal structure of CF3SF2+SbF6- ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Preparation and Spectroscopic Characterization of the Persulfonium Salts (CH3)(CF3)SF3+SbF6- and (CH3)(CF3)2SF2+SbF6- and Crystal Structure of CF3SF2+SbF6- [1].The preparation of the persulfonium salts (CH3)(CF3)SF3+SbF6- and (CH3)(CF3)2SF2+SbF6- by methylation of the sulfuranes CF3SF3 and (CF3)2SF2 with CH3OSO+SbF6- in liquid SO2 is reported. The thermolabile compounds are characterized by IR, Raman, 1H, 13C, and 19F NMR spectroscopy.CF3SF2+SbF6- crystallizes in the space group C2/c with a=16.889(8) Å, b=7.261(4) Å, c=13.416(7) Å, β=91.08° with 8 formula units per unit cell at 167 K. Cations and anions are connected via short SF contacts forming a Ψ-octahedral surrounding of the central S atom which is in close analogy to the already known CF3SF2+AsF6-.
    Notes: Es wird über die Darstellung der Persulfoniumsalze (CH3)(CF3)SF3+SbF6- und (CH3)(CF3)2SF2+SbF6- durch Methylierung der Sulfurane CF3SF3 und (CF3)2SF2 mit CH3OSO+SbF6- in flüssigem SO2 berichtet. Die thermolabilen Verbindungen werden durch IR-, Raman-, 1H-, 13C- und 19F-NMR-Spektroskopie charakterisiert. CF3SF2+SbF6- kristallisiert in der Raumgruppe C2/c mit a=16,889(8) Å, b=7,261(4) Å, c=13,416(7) Å, β=91,08° und 8 Formeleinheiten pro Einheitszelle bei 167 K. Kationen und Anionen sind über kurze SF-Kontakte verbunden und bilden eine Ψ-oktaedrische Umgebung des zentralen S-Atoms. Diese Struktur stimmt gut mit der des bereits bekannten CF3SF2+AsF6- überein.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19936190129
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 10
    Electronic Resource
    Electronic Resource
    Neue N,N-Dichlormethylsulfonammoniumsalze CH3S(O)2NCl2X+MF6- (X = CH3, Cl, F; M = As, Sb) und Kristallstruktur von CH3S(O)2NCl2 (1997)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 623 (1997), S. 333-339 
    Details
    ISSN: 0044-2313
    Keywords: N,N-Dichloromethylsulfonammonium salts ; crystal structure of CH3S(O)2NCl2 ; vibrational spectra ; 1H ; 13C ; 19F NMR ; Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: New N,N-Dichloromethylsulfonammonium Salts CH3S(O)2NCl2X+MF6- (X = CH3, Cl, F; M = As, Sb) and Crystal Structure of CH3S(O)2NCl2The preparations of new dichlorammonium salts CH3S(O)2NCl2X+MF6- (X = CH3, Cl, F; M = As, Sb) and of CH3S(O)2NCl2 by oxidative halogenation respectively methylation are reported. The thermolabil compounds are characterized by IR, Raman, 1H, 13C, 19F NMR spectroscopy. N,N-Dichlormethylsulfonamid CH3S(O)2NCl2 crystallizes at 173(1) K in the orthorhombic space group Pnma with a = 615.1(3) pm, b = 937.3(5) pm, c = 970.3(5) pm and Z = 4.
    Notes: Die Darstellung einer Reihe von Dichlor ammoniumsalzen des Typs CH3S(O)2NCl2X+MF6- (X = CH3, Cl, F; M = As, Sb) wird angegeben. Die Salze werden durch oxidative Halogenierung bzw. Methylierung von CH3S(O)2NCl2 erhalten. Die Charakterisierung der thermolabilen Verbindungen erfolgte mittels IR-, Raman-sowie Multikern-NMR-Spektroskopie. Die Einkristallröntgenstrukturanalyse von N,N-Dichlormethylsulfonamid CH3S(O)2NCl2 bei 173(1) K ergab: orthorhombische Raum gruppe Pnma mit a = 615,1(3) pm, b = 937,3(5) pm, c = 970,3(5) pm und Z = 4.
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19976230153
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...