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  • 1985-1989  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Synthesen von hydroxylierten Bipyridinen, I. Das Pilztoxin Orellanin (1987)
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1987 (1987), S. 857-861 
    Details
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Syntheses of Hydroxylated Bipyridines, I. - Orellanine, the Poison of a ToadstoolTwo syntheses of orellanine, [2,2′-bipyridine]-3,3′,4,4′-tetrol 1,1′-dioxide (5b), are developed which comprise 10 or 11 steps, respectively. The chemical reactions of 5b with diazomethane and on UV irradiation are described.
    Notes: Für Orellanin, [2,2′-Bipyridin]-3,3′,4,4′-tetrol-1,1′-dioxid (5b), wurden zwei Synthesen mit 10 bzw. 11 Schritten entwickelt. Umwandlungsreaktionen von 5b mit Diazomethan und bei UV-Belichtung werden beschrieben.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jlac.198719870840
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Synthesen von hydroxylierten Bipyridinen, II. 3,4′-Dihydroxy-2,3′-bipyridin (1987)
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1987 (1987), S. 1123-1124 
    Details
    ISSN: 0170-2041
    Keywords: Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Syntheses of Hydroxylated Bipyridines, II. - 3,4′-Dihydroxy-2,3′-bipyridineThe title compound 1 is obtained by coupling of 2-iodo-3-methoxypyridine (3) and 3-bromo-4-methoxypyridine (4) with Nickel(0) - to yield the dimethyl ether 2 (plus 5 and 6) - and by subsequent ether cleavage. 1 is not identical with the alkaloid described under this structure.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jlac.198719870885
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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