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  • 1965-1969  (2)
  • 1960-1964
  • 1935-1939
  • 1890-1899
  • 1860-1869
  • 1966  (2)
  • Heterocycles
  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 5 (1966), S. 35-39 
    ISSN: 0570-0833
    Keywords: Heterocycles ; Pyrimidines ; Quinazolines ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Some syntheses of heretofore unknown pyrimidines, tetrahydroquinazolines, and quinazolines are described. These methods are uniquely simple one- or two-step reactions, general and versatile in scope, and give high yields. Some interesting chemistry associated with these heterocyclic systems is discussed.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Angewandte Chemie International Edition in English 5 (1966), S. 760-776 
    ISSN: 0570-0833
    Keywords: Silicon-nitrogen heterocycles ; Heterocycles ; Cyclosilazanes ; Chemistry ; General Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Great progress has recently been made in the chemistry of the silicon-nitrogen bondC. Eaborn: Organosilicon Compounds. Butterworths, London 1960, p. 339.R. Fessenden and J. S. Fessenden, Chem. Reviews 61, 361 (1961).K. A. Andrianov, I. Haiduc, and L. M. Khananashvili, Uspekhi Khim. 32, 563 (1963); Chem. Abstr. 59, 8782 (1963).U. Wannagat, Advances inorg. Chem. Radiochem. 6, 265 (1964).I. Haiduc: Westep do Chemii Nieorganicznych Zwiazkow Pierscieniowyrh. WPN, Warsaw 1964, Chap. 10 (in Polish).. Whereas attention was formerly concentrated on open-chain silazanes and silylamines, growing interest is now being shown in the cyclic SiN compounds. A major factor which has contributed to the rapid development in this field is the need for better polymers and liquids for use above 350 °CCf. E. G. Rochow, Chim. et Ind. 85, 897 (1961).. The present article deals with monomeric cyclic compounds containing at least one silicon-nitrogen bond in the ring, as well as the polycyclic compounds derived from these.
    Additional Material: 8 Tab.
    Type of Medium: Electronic Resource
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