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  • Chemistry  (23)
  • Organic Chemistry  (13)
  • 32.80.Hd  (2)
  • Circulatory shock  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Octreotide treatment in patients with necrotizing pancreatitis and pulmonary failure (1996)
    Springer
    Intensive care medicine 22 (1996), S. 909-915 
    Details
    ISSN: 1432-1238
    Keywords: Key words Acute pancreatitis ; Necrotizing pancreatitis ; Octreotide ; Treatment ; Systemic complications ; SIRS ; ARDS ; Circulatory shock
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract   Objective: To determine the efficiency of intravenous infusion of octreotide in the treatment of patients with severe pancreatitis and pulmonary failure. Design: Prospective, case–control study. Setting: Intensive care unit of a university hospital. Patients: Treatment group: 39 patients with necrotizing pancreatitis were selected for the study. In all, pulmonary failure developed under conservative treatment and surgical intervention had been necessary because of local (abscess, necrosis) or systemic (systemic inflammatory response syndrome) complications. The outcome was prospectively followed up until death or discharge from the hospital. Control group: 54 case–control matched patients with acute necrotizing pancreatitis and pulmonary failure, who had not been treated with octreotide. Intervention: Each patient in the treatment group received 100 μg intravenous octreotide three times daily for 10 days, in addition to the standard intensive care therapy. Results: The groups (octreotide group, control group) were highly comparable with regard to age (mean age: 54, 51 years), sex, severity of illness (Acute Physiology and Chronic Health Evaluation II score: 27, 27), etiology of pancreatitis, and pretreatment at the time of admission to the intensive care unit. There was no difference in the development of renal, hepatic, gastrointestinal, hemostatic, neurologic, or local complications. But the frequency of the adult respiratory distress syndrome (18 vs 40%; p〈0.05) and circulatory shock (51 vs 87%; p〈0.05) was significantly lower in the treatment group. Furthermore, mortality was 26% (10 of 39 patients) in the octreotide group and 61% (33 of 54 patients) in the control group (p〈0.01). Conclusion: The results of our case–control study showed a beneficial effect of octreotide in patients with severe necrotizing pancreatitis and pulmonary failure. Based on these data, a prospective, double-blind, placebo-controlled study should be performed to evaluate these results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001340050186
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  • 2
    Electronic Resource
    Electronic Resource
    Octreotide treatment in patients with necrotizing pancreatitis and pulmonary failure (1996)
    Springer
    Intensive care medicine 22 (1996), S. 909-915 
    Details
    ISSN: 1432-1238
    Keywords: Acute pancreatitis ; Necrotizing pancreatitis ; Octreotide ; Treatment ; Systemic complications ; SIRS ; ARDS ; Circulatory shock
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Objective To determine the efficiency of intravenous infusion of octreotide in the treatment of patients with severe pancreatitis and pulmonary failure. Design Prospective, case-control study. Setting Intensive care unit of a university hospital. Patients Treatment group: 39 patients with necrotizing pancreatitis were selected for the study. In all, pulmonary failure developed under conservative treatment and surgical intervention had been necessary because of local (abscess, necrosis) or systemic (systemic inflammatory response syndrome) complications. The outcome was prospectively followed up until death or discharge from the hospital. Control group: 54 case-control matched patients with acute necrotizing pancreatitis and pulmonary failure, who had not been treated with octreotide. Intervention Each patient in the treatment group received 100 μg intravenous octreotide three times daily for 10 days, in addition to the standard intensive care therapy. Results The groups (octreotide group, control group) were highly comparable with regard to age (mean age: 54, 51 years), sex, severity of illness (Acute Physiology and Chronic Health Evaluation II score: 27, 27), etiology of pancreatitis, and pretreatment at the time of admission to the intensive care unit. There was no difference in the development of renal, hepatic, gastrointestinal, hemostatic, neurologic, or local complications. But the frequency of the adult respiratory distress syndrome (18 vs 40%;p〈0.05) and circulatory shock (51 vs 87%;p〈0.05) was significantly lower in the treatment group. Furthermore, mortality was 26% (10 of 39 patients) in the octreotide group and 61% (33 of 54 patients) in the control group (p〈0.01). Conclusion The results of our case-control study showed a beneficial effect of octreotide in patients with severe necrotizing pancreatitis and pulmonary failure. Based on these data, a prospective, double-blind, placebo-controlled study should be performed to evaluate these results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02044115
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  • 3
    Electronic Resource
    Electronic Resource
    Measurements ofL-subshell fluorescence yields for light and medium heavy elements (28≤Z≤47) (1988)
    Springer
    The European physical journal 7 (1988), S. 301-307 
    Details
    ISSN: 1434-6079
    Keywords: 32.30.Rj ; 32.80.Hd ; 34.80.Dp
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We report on the first determination ofL-subshell fluorescence yields, ωLi, for various elements with 28≤Z≤47. The method applied is based on the subshell ionization by relativistic electron impact with an electron energy ofE 0=50 keV and the detection of characteristic X rays by means of a high resolution crystal spectrometer calibrated absolutely with respect to its transmission and reflectivity. The number of initialL vacancies and its subshell distribution as well as the normalized X-ray transition probabilities, the Coster-Kronig yields and theK-shell Auger transition rates are taken from theory. The results obtained for ωLi yield values that are for all three subshells in agreement with the predictions of a widely used semi-empirical formula and for ω L2 and ω L3 also with theoretical calculations. The values of ω L1, however, exceed the theory systematically.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01439799
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  • 4
    Electronic Resource
    Electronic Resource
    A method to determineL-subshell ionization cross sections for medium and heavy elements (1986)
    Springer
    The European physical journal 3 (1986), S. 379-389 
    Details
    ISSN: 1434-6079
    Keywords: 32.30.Rj ; 32.80.Hd ; 34.50.Fa
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract We have developed a method to determineL-subshell ionization cross sections and report here on the first measurements of electron inducedL-subshell cross sections for target elements (29≦Z≦79) at electron bombarding energies between 50≦E 0≦200 keV. The method involves the detection of characteristic X rays by means of a high resolution flat crystal spectrometer of known reflectivity and is based on the correlation of measured X ray intensities, Auger- and Coster-Kronig yields and radiative transition probabilities with theL-subshell cross section.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01437196
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  • 5
    Electronic Resource
    Electronic Resource
    Organische Elektronenleiter und Vorstufen. V.IV. Mitt.: RICHTER, A. M.; FANGHÄNEL E.: Sulfur Lett. 3 (1985) 25. Synthese von Poly(organylthio-acetylenen) (1987)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 329 (1987), S. 811-816 
    Details
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Organic Electron Conductors and Precursors. V. Synthesis of Poly (organylthio-acetylenes)Poly(bis-organylthio-acetylenes) 2 and poly(mono-organylthio-acetylenes) 3 have been synthesized by complex catalyzed polymerization of the corresponding acetylenes (4 resp. 5). Yields and properties of the polymers 2, 3 depend on reaction conditions, the catalyst and the nature of the acetylenes. Relations between these influence factors are discussed.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19873290509
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  • 6
    Electronic Resource
    Electronic Resource
    Heterocyclisch substitutierte Arendiazoniumsalze mit erweiterter spektraler Empfindlichkeit - Teil I: Monomethine und AzamethineHerrn Professor Dr. E. Schmitz zum 60. Geburtstag gewidmet (1988)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 330 (1988), S. 590-606 
    Details
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Heterocyclic Substituted Arendiazonium Salts with a Long-wave-length Range of Sensitivity  -  Part I: Monomethins and AzamethinsTwo new types of arendiazonium salts have been synthesized. In these compounds a heterocycliden ring is bridged through a methine group (8a-o) or a nitrogen (11a-c) with the 4-position of a benzene diazonium group.Both types show sensitivity towards normal day-light, their long wave-length absorption band vary from 430 nm up to 590 nm, depending on the donor strength of the heterocycliden ring and the nature of the bridging group.The thermostability, the quantum yields of photochemical dediazonation and the coupling behaviour of the diazonium salts are investigated, in order to evaluate their potential applicability in a commercial diazotype system.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19883300413
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  • 7
    Electronic Resource
    Electronic Resource
    Heterocyclisch substituierte Arendiazoniumsalze mit erweiterter spektraler Empfindlichkeit. II. 4-(1-Heterocycliden-2,3-diaza-prop-2-en-3-yl)-benzendia-zoniumtetrafluoroborateHerrn Prof. Schulz zum 60. Geburtstag gewidmet (1990)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 332 (1990), S. 43-54 
    Details
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Heterocyclic Substituted Arenediazonium Salts with a Long-wave-length Range of Sensitivity. II. 4-(1-Heterocycliden-2,3-diaza-prop-2-en-3-yl)-arenediazonium tetrafluoroboratesThe title compounds (3) are obtained by reaction of aromatic bis-diazonium salts with substituted 2-benzylidene-1,3-dithioles and 2-benzylidene-1,3-diselenole, respectively. The maximum of the long wave-length absorption band of 3 varies from 580 nm up to 665 nm depending on the structure of the compound.The quantum yields of the photolysis of the diazonium salts 3 are low (1 · 10-4 to 7 · 10-3). The azo dyes obtained from 3 with usual azo-couplers absorb in a shorter wave-length range than the corresponding diazonium salts themselves (hypso-coupling effect).
    Additional Material: 4 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19903320106
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  • 8
    Electronic Resource
    Electronic Resource
    Lewis-Säure- und photochemisch induzierte Dimroth-Umlagerung von 3H,6H-2,5-Bis-(p-N,N-dimethylaminophenyl)-1,2-thiazolino[5,4-d]1,2-thiazolin-3,6-dithion (1990)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 332 (1990), S. 387-393 
    Details
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Lewis-acid and Photochemically Induced Dimroth Rearrangement of 3H,6H-2,5-Bis-(p-N,N-dimethylaminophenyl) -1,2-thiazolino[5,4-d]1,2-thiazoline-3,6-dithioneThe reaction of 3H,6H-1,2-dithiolo[4,3-c]1,2-dithiole-3,6-dithione (5) with N,N-dimethyl-p-phenylendiamin gives, depending on the conditions of the reaction, 3H,6H-3-(p-N,N-dimethylaminophenyl-imino)-1,2-dithiolo[4,3-c]1,2-dithiole-6-thione (7), and 3H,6H-2,5-Bis-(p-N,N-dimethylaminophenyl) -1,2-thiazolino[5,4-d]1,2-thiazoline-3,6-dithione (3d). Catalyzed by Lewis acids the compound 3d rearranges reversibly into the isomeric 3H,6H-3,6-bis-(p-N,N-dimethylaminophenyl-imino) -1,2-dithiolo[4,3-c]1,2-dithiole (4d). The Dimroth type rearrangement of 3d into 4d occurs also on irradiation.
    Additional Material: 2 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19903320317
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  • 9
    Electronic Resource
    Electronic Resource
    Über die Thiocyanierung von AcetylendicarbonsäuredialkylesternI. Mitteilung der Serie „Organische Elektronenleiter und Vorstufen“ (1983)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 325 (1983), S. 153-156 
    Details
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: About the Thiocyanation of Dialkyl Acetylendicarboxylates
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19833250119
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  • 10
    Electronic Resource
    Electronic Resource
    Zur Chlorierung von N-Aryl-2,4-dimethyl-buta-1,3-dien-1,4-sultamenHerrn Prof. Dr. J. Ulbricht zum 60. Geburtstag gewidmet (1984)
    New York, NY : Wiley-Blackwell
    Journal für Praktische Chemie/Chemiker-Zeitung 326 (1984), S. 545-555 
    Details
    ISSN: 0021-8383
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: About Chlorination of N-Aryl-2,4-dimethyl-buta-1,3-dien-1,4-sultamesThe sultames of structure 1 are easily chlorinated by sulfurylchloride, chlorine or tertbutylhypochlorite. The structure of the mono-(2a-c,3a, d), di-(4a-d), tri- (5c, d) and pentachlorosultames (6a, b) is determined by 13C-n.m.r. spectroscopy. Contrary to the bromination the chlorination (by SO2Cl2) starts with the substitution of the sultamring (formation of mono- and di-chlorosultames) followed of the substitution of the (C-4)-CH3- group (formation of trichlorosultames). By 1,4-addition of an other molecule of chlorine to 5 the pentachlorosultames 6a, b are obtained. Already by recrystalisation of 6a, b in an alcohol the chlorine in 4-position is exchanged by the corresponding alkoxy group (CH3O, C2H5O, n-C3H7O) and the compounds 7-9 are formed.
    Additional Material: 5 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/prac.19843260404
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