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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Berichte der deutschen chemischen Gesellschaft 107 (1974), S. 605-610 
    ISSN: 0009-2940
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Investigations in the Isochroman and Isothiochroman Series, XVIII. The Reaction of 1-Chloroisothiochroman with DiazomethaneDiazomethane reacts with 1-chloroisothiochroman (1) to give equivalent amount of 2-chloro-1,2,4,5 -tetrahydro-3-benzothiepine (11) and 1-(chloromethyl)isothiochroman (12). The structure has been proved via the dehydrohalogenation products 1,2 dihydro-3-benzothiepine (14) and 1-methylene-isothiochroman (13) as well as with the help of the corresponding sulfones 15, 16, 17, and 18. In order to confirm structure 16, the isomeric 1-chloro-1,2,4,5-tetrahydro-3-benzothiepine-3,3-dioxide (9) was prepared by a different method.
    Notes: Bei der Einwirkung von Diazomethan auf 1-Chlorisothiochroman (1) entstehen in etwa gleicher Menge 2-Chlor-1,2,4,5-tetrahydro-3-benzothiepin (11) und 1-(Chlormetyl)isothiochroman (12). Die Strukturaufklärung erfolgte über die Dehydrochlorierungsprodukte 1,2-Dihydro-3-benzothiepin (14) und 1-Methylenisothiochroman (13) sowie die zugehörigen Sulfone 15, 16, und 18. Zur Sicherung der Konstitution von 16 wurde auf unabhängigem Wege das isomere 1-Chlor-1,2,4,5-tetrahydro-3-benzothiepin-3,3-dioxid (9) dargestellt.
    Type of Medium: Electronic Resource
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