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  • 1980-1984  (2)
  • Central venous catheter  (1)
  • Inorganic Chemistry  (1)
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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Intensive care medicine 10 (1984), S. 261-262 
    ISSN: 1432-1238
    Keywords: Air embolism ; Central venous catheter
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Central venous catheter systems are an important yet little recognised source of serious air embolism. Scrupulous care and vigilant observation of this equipment is necessary to prevent the severe cardio-respiratory and neurological sequelae which may occur. Air embolism following central venous catheterisation is one of the most serious complications of this procedure. We describe an unusual and hitherto unreported mechanism by which air accidentally entered the circulation; fortunately in this case there were no serious sequelae.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Zwei Verfahren zur Darstellung α-trimethylsubstituierter Methylphosphane von genereller Anwendungsbreite werden vorgestellt. Phenylierte Vertreter PhPR—CH2—Tms (2a - ) lassen sich durch Na-Spaltung in NH3 und nachfolgende Kondensation mit Cl—CH2—Tms gewinnen. Metallierung mit n-BuLi und TmsCl—Einwirkung führt zur Zweitsilylierung in αPosition (3a - d, f. Diorganylamino-funktionelle Derivate 5a - e und 6 sind vorteilhaft über eine Primäraktivierung (Grignardierung oder Lithiierung) der Silylmethan-Komponenten zu erhalten. Die oxidative Ylidierung mit CCl4 ergibt nach Gl. (7) in allen Fällen P-Chlor-methylphosphorane. Außer durch Elementaranalyse wird die Konstitution sämtlicher Verbindungen durch die 31P{1H}- und komplementären 13C{1H}-Daten gesichert.Phosphorus-Carbon-Halogen Compounds. XXV. α-Trimethylsilyl-substituted Methylphosphanes: Synthesis and CCl4—Oxidation to P-Chlor-methylene-phosphoranesTwo procedures of general applicability for the synthesis of αxyltrimethylsilyl-substituted methylphosphanes are reported. Phenylated species PhPR—CH2—Tms (2a - e) can be obtained by Na cleavage in NH3 and subsequent condensation with Cl—CH2—Tms. Metallation with n-BuLi and treatment with TmsCl causes two-fold silylation in α-position (3a - d, f). Diorganylamino-functionalized derivatives 5a - e and 6 are preferrably prepared by initial activation (grignardation or lithiation) of the silylmethane component. Oxidative ylidation with CCl4 yields in all cases P-chloro-methylenephosphoranes according to eq. (7). The constitution of all compounds has been confirmed by 31P{1H} and complementary 13C{1H} data in addition to elemental analyses.
    Additional Material: 6 Tab.
    Type of Medium: Electronic Resource
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