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  • 1960-1964  (2)
  • 1890-1899
  • 1962  (2)
  • 1891
  • Isocyanates  (2)
  • 1
    Digitale Medien
    Digitale Medien
    Isocyanates of Esters of Some Acids of Phosphorus and SilicionDedicated to Prof. Dr. Otto Bayer on the occasion of his 60th birthday (1962)
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 1 (1962), S. 617-621 
    Details
    ISSN: 0570-0833
    Schlagwort(e): Isocyanates ; Phosphorus ; Silicon ; Chemistry ; General Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: Several aminoaryl esters of phosphoric and thiophosphoric acids were prepared by the reaction of phosphorus pentahalides with nitrophenols, followed by catalytic hydrogenation, or by treating aminophenols with phosphorus trihalides and oxidation to pentavalent phosphorus. These amino esters were then converted into isocyanato esters by the action of phosgene. Isocyanates of phosphonates have been synthetized on the same principle, as well as via the Arbusov reaction of halogen-substituted isocyanates with trialkyl phosphites. The reaction of silicon halides or alkylhalogenosilanes with aminophenols yielded aminoaryl esters of silicic acid or its derivatives, which could also be treated with phosgene to convert them into isocyanato esters.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/anie.196206171
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    The Preparation of Carbodiimides from IsocyantesDedicated to Prof. Dr. Otto Bayer on the occasion of his 60th birthday. (1962)
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 1 (1962), S. 621-625 
    Details
    ISSN: 0570-0833
    Schlagwort(e): Carbodiimides ; Isocyanates ; Chemistry ; General Chemistry
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie
    Notizen: Carbodiimides are formed with simultaneous evolution of CO2 by the reaction of basic catalyst with sterically hindered isocynates. Another generally applicable synthesis of carbodiimides involves intermediate formation of cyclic adducts of isocyanates and carbodiimides, which, upon cleavage, exchange the isocyanate and carbodiimide functions. Both processes are suitable for the preparation of polycarboiimides. Several commercial applications of mono- and polycarbodiimides are pointed out.
    Zusätzliches Material: 4 Tab.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/anie.196206211
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
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