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  • Organic Chemistry  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1977 (1977), S. 1249-1266 
    ISSN: 0075-4617
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Synthesis and Reactions of 2-Chloro-1,3-thiazin-4-ones2-Chloro-1,3-thiazin-4-ones 2 and 4 are prepared by cyclization of 2-thiocyanatocarboxylic acid chlorides 1 and 3, respectively, with hydrogen chloride. The compounds 2 and 4 are cyclic, azavinylogous acid chlorides of ambivalent character and react with amines undergoing substitution of chlorine or fragmentation. The structure of the 2-amino-1,3-thiazin-4-ones 9 and 14 and the aromatic character of the 1,3-thiazin-4-ones 2 and of the 1,3-thiazinium salts 18 are investigated.
    Notes: 2-Chlor-1,3-thiazin-4-one 2 und 4 sind durch Cyclisierung von 2-Thiocyanatocarbonsäurechloriden 1 bzw. 3 mit Chlorwasserstoff zugänglich. Sie besitzen als cyclische, azavinyloge Säurechloride ambivalenten Charakter und reagieren mit Aminen unter Substitution des Chlors oder Fragmentierung. Die Struktur der 2-Amino-1,3-thiazin-4-one 9 und 14 sowie der aromatische Charakter der 1,3-Thiazin-4-one 2 und der 1,3-Thiaziniumsalze 18 werden untersucht.
    Additional Material: 6 Tab.
    Type of Medium: Electronic Resource
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