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  • 1
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Liebigs Annalen 1990 (1990), S. 1047-1049 
    ISSN: 0170-2041
    Keywords: Acridones ; Alkaloids ; Chemistry ; Organic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Methyl 6-amino-2,3-dimethoxybenzoate (6) which was obtained from 6-formyl-2,3-dimethoxybenzoic acid (1), was treated with phloroglucinol to give two new acridone alkaloids, 1,3,8-trihydroxy-7-methoxy-9-acridone (7) and 1,3-dihydroxy-7,8-dimethoxy-9-acridone (8). Methylation of 7 and 8 gave another four new acridone alkaloids, 1,8-dihydroxy-3,7-dimethoxy-9-acridone (9), 1,8-dihydroxy-3,7-dimethoxy-10-methyl-9-acridone (10), 1-hydroxy-3,7,8-trimethoxy-10-methyl-9-acridone (11) and 1,3,7,8-tetramethoxy-10-methyl-9-acridone (12).
    Additional Material: 1 Tab.
    Type of Medium: Electronic Resource
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