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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1983 (1983), S. 13-17 
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Reactions of Ethyl 3,4,4-trichlor-3-butenoate with Amines and ThiolatesThe reactions of 1b via the intermediately formed allenes 2 lead with amines to conjugated products, mainly the E adducts 3, and with thiolates to the nonconjugated compounds 5. When treated with ethylate, the pentachlorophenyl-substituted 5b undergoes ring closure to yield the benzothiophene 7, which is further transformed into 8.
    Notes: Die Reaktionen von 1b führen über die intermediär auftretenden Allene 2 mit Aminen zu konjugierten Produkten _ hauptsächlich den E-Addukten 3 _ und mit Thiolaten zu den nicht konjugierten Verbindungen 5. Das pentachlorphenylsubstituierte 5b erfährt mit Ethylat einen Ringschluß zu dem Benzothiophen 7, das weiter in 8 übergeführt wird.
    Type of Medium: Electronic Resource
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