ALBERT

All Library Books, journals and Electronic Records Telegrafenberg

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
Filter
  • Wiley-Blackwell  (23)
  • Springer  (2)
  • 1985-1989  (9)
  • 1980-1984  (16)
  • 1
    Electronic Resource
    Electronic Resource
    The structure of 5-aza-2,8-dioxa-1-stanna(II)bicyclo[3.3.0]octane (1983)
    Springer
    Journal of chemical crystallography 13 (1983), S. 201-210 
    Details
    ISSN: 1572-8854
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract From the1H,13C, and119Sn NMR spectra at different temperatures, it is concluded that the 5-alkyl-5-aza-2,8-dioxa-1-stanna(II)bicyclo[3.3.0]octanes dimerize in nonpolar solvents. The barrier for dimerization is lower (ΔG
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01161514
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    1,3,2,5-Dioxadiphosphorinanes. Six-membered ring compounds containing two different phosphorus atoms (1985)
    Springer
    Journal of chemical crystallography 15 (1985), S. 423-431 
    Details
    ISSN: 1572-8854
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Physics
    Notes: Abstract The reaction of bis(hydroxymethyl)phenylphosphane withtert-butyldichlorophosphane leads to the formation ofcis-2-tert-butyl-5-phenyl-1,3,2,5-dioxadiphosphorinane (1). Thecis configuration was definitively proven by the X-ray diffraction study of the 2, 5-dithioxo derivative (2), which was obtained from (1) by a stereoselective reaction. The diselenoxo compound (3) was also prepared. These three new compounds were subjected to a complete NMR study (1H,13C,31P, and77Se).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01171046
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Reaction of Cyclic Thioureas with 2-Benzylidenecycloalkanones (1987)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 120 (1987), S. 1449-1450 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: BF3. OEt2-catalyzed reaction of cyclic thioureas (1) with 2-benzylidenecycloalkanones (2) afforded tricyclic 1,3-thiazines (3, 4). The progress of the reactions was found to depend on the ring size of both 1 and 2.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19871200827
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Zur Konfiguration der 1,3-Dichlor-2-methyl-1-propene (1983)
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 116 (1983), S. 522-526 
    Details
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: On the Configuration of the 1,3-Dichloro-2-methyl-l-propenesDetermination of the configurations of 1,3-dichloro-2-methyl-1-propenes (1) was performed by 1H and 13C NMR spectroscopy using the isomer pairs of 1,3-dichloro-1-propenes (2), 1-chloro-2-methyl-1-propene-3-ols (3) and 1-chloro-1-propene-3-ols (4) as reference compounds. The chemical shifts, vicinal coupling constants, relative LIS value and NOE effects were in an unambiguous agreement with the (Z)-configuration of the lower-boiling isomer of 1.
    Notes: Die Konfigurationen von 1,3-Dichlor-2-methyl-1-propenen (1) werden mittels 1H- und 13C-NMR-Spektroskopie zugeordnet. Als Vergleichssubstanzen dienten die Isomeren von 1,3-Dichlor-1-propen (2), 1-Chlor-2-methyl-1-propen-3-ol (3) und 1-Chlor-1-propen-3-ol (4). Die chemischen Verschiebungen, vicinalen Kopplungskonstanten, relativen LIS-Werte und NOE-Effekte stehen mit der (Z)-Konfiguration des niedriger siedenden Isomeren von 1 eindeutig im Einklang.
    Additional Material: 5 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cber.19831160213
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    NMR-Untersuchung der intramolekularen Wasserstoffbrücken in 2-Hydroxy-Nitronat-Anionen (1986)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 328 (1986), S. 656-660 
    Details
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: N.M.R.-Investigation of the Intramolecular Hydrogen-Bonds in 2-Hydroxy-nitronate-anions
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19863280430
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    1H- und 13C-NMR-Untersuchungen an N-Acyl-imino-dithio-kohlensäure-S,S-dimethylestern (1983)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 325 (1983), S. 1011-1015 
    Details
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: 1H- and 13C-N.M.R. Investigations of N-Acyl-imino-dithiocarbonic-S,S-dimethylester
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19833250618
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 7
    Electronic Resource
    Electronic Resource
    Zur Reaktion von 5,6-Dihydro-1,4-oxathiin-4,4-dioxiden mit Nucleophilen (1986)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 328 (1986), S. 380-388 
    Details
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: About the Reaction of 5,6-Dihydro-1,4-oxathiin-4,4-dioxides with Nucleophilic CompoundsBy reactions of 5,6-dihydro-1,4-oxathiin-4,4-dioxides (1, 5, 8) with thioles, amines and CH-acid compounds 2-substituted ethansulfonylcarbonyl compounds are formed. The structures of the reaction products are determined by elemental analysis, i.r. and 1H-n.m.r.-spectroscopy.5,6-Dihydro-1,4-oxathiin-4,4-dioxide sind gut zugänglich durch die Oxidation von 5,6-Dihydro-1,4-oxathiinen mit Wasserstoffperoxid. Besonders zur Darstellung der 5,6-Dihydro-2-methyl-3-carboxamido-1,4-oxathiin-4,4-dioxide, von denen einige im Pflanzenschutz wegen ihrer systemischen fungiziden Wirkung Bedeutung erlangten, wurden verschiedene Methoden beschrieben [1, 2]. In ähnlicher Weise lassen sich auch die entsprechenden Ester und Säuren synthetisieren.
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19863280312
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 8
    Electronic Resource
    Electronic Resource
    Cell cycle and cyclic AMP-dependent phosphorylation of plasma membrane proteins p14 and p24: Defects in smooth surface transformed cells (1983)
    New York, N.Y. : Wiley-Blackwell
    Journal of Cellular Biochemistry 23 (1983), S. 203-209 
    Details
    ISSN: 0730-2312
    Keywords: cell cycle ; cytoplasmic plasma membrane surface ; control of cell proliferation ; proadipocyte stem cells ; Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Two proteins which are localized to the cytoplasmic surface of the plasma membrane, p14 and p24, undergo cyclic AMP-dependent phosphorylation in rapidly growing nontransformed murine embryo cells. In this cell system, growth arrest in the G1 phase of the cell cycle induced by growth factor deprivation is associated with the reversible loss in ability to phosphorylate these substrates. By contrast Simian virus 40 and methylcholanthrene transformed cells show both defective G1 growth control and defects in their ability to phosphorylate p14 and p24 under all tested growth conditions. These data suggested a correlation between defects in the physophorylation of p14 and p24 and defects in the ability of transformed cells to G1 growth arrest. The results of the current studies by contrast show that 3T3 T proadipocytcs which have been transformed by the smooth surface tumorigenesis method show different characteristics. They retain the ability to G1 growth arrest in serum-deficient medium. They show cyclic AMP-dependent phosphorylation of p14 and p24 during exponential growth. They do not, however, down regulate p14 and p24 phosphorylation in association with G1 growth arrest. These observations suggest that neoplastic transformation is not necessarily associated with absolute defects in the ability to phosphorylate p14 and p24. Rather, the results of the current study suggest that the inability to modulate the cyclic AMP-dependent phosphorylation of plasma membrane p14 and p24 proteins during the G1 phase of the cell cycle may be more tightly associated with neoplastic transformation.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcb.240230117
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 9
    Electronic Resource
    Electronic Resource
    Topography of protein kinases and phosphoproteins in the plasma membrane of 3T3 cells (1984)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Cellular Physiology 121 (1984), S. 357-367 
    Details
    ISSN: 0021-9541
    Keywords: Life and Medical Sciences ; Cell & Developmental Biology
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Biology , Medicine
    Notes: The plasma membrane of 3T3 cells contains at least two different endogenous cyclic AMP-dependent protein kinase systems. One catalyzes the phosphorylation of endogenous protein substrates, i.e., PP24 and PP14, whereas the other catalyzes the phosphorylation of exogenous substrates. In this paper the topography of these cyclic AMP-dependent phosphorylation systems is described. The results show that the kinases which phosphorylate only exogenous substrates are primarily localized to the outer plasma membrane surface whereas the endogenous cyclic AMP-dependent protein kinase and its two endogenous substrates are localized to the cytoplasmic plasma membrane surface. The data also establish that neither the cytoplasmically orientated kinase nor its substrates has a transmembrane orientation even though factors acting on the outer plasma membrane can affect these proteins. This suggests that functional modulation of the cytoplasmically localized cyclic AMP-dependent phosphorylation system can be mediated by a transmembrane regulatory mechanism. The importance of determining the topography of such plasma membrane phosphorylation systems is emphasized by recent studies which show that neoplastic transformation can be mediated at least in part by protein kinases and/or phosphoproteins which are localized on the cytoplasmic surface of the plasma membrane.
    Additional Material: 6 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jcp.1041210213
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 10
    Electronic Resource
    Electronic Resource
    13C-NMR-Untersuchungen an Cellulose in verschiedenen Lösungsmitteln (1983)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 34 (1983), S. 105-108 
    Details
    ISSN: 0323-7648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: 13C-NMR investigations were performed with cellobiose and two cellulose samples characterized by DP 35 and 285 in the mixed solvents N-methylmorpholine-N-oxide, dimethylsulfoxide/paraformaldehyde and calcium rhodanide/formaldehyde/water. In the calcium rhodanide/formaldehyde/water mixture, similar as in paraformaldehyde/DMSO, the methylation proceeds preferentially at the C6 atom, while no specific interaction was observed between the rhodanide ion and cellulose. In all mixed solvents investigated a signal, not having been described before, was observed in the 87 to 90 ppm range. The assignment is discussed with respect to formaldehyde-containing systems.
    Notes: 13C-NMR-spektroskopische Untersuchungen wurden an Cellobiose und an zwei Celluloseproben mit DP 35 und DP 285 in den Lösungsmittelsystemen N-Methylmorpholin/N-oxid, Dimethylsulfoxid/Paraformaldehyd und Calciumrhodanid/Formaldehyd/Wasser durchgeführt. Im Calciumrhodanid/Formaldehyd/Wasser-System erfolgt ähnlich wie im Paraformaldehyd/DMSO-System eine Methylolierung bevorzugt am C-Atom 6, während zwischen Rhodanidion und Cellulose offenbar keine spezifischen Wechselwirkungen auftreten. In allen drei Lösemittelsystemen wird ein bisher nicht beschriebenes Signal im Bereich zwischen 87 und 90 ppm beobachtet; Möglichkeiten einer Deutung werden für die formaldehydhaltigen Systeme diskutiert.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/actp.1983.010340208
    Location Call Number Expected 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...