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3 Research products, page 1 of 1

  • European Marine Science
  • 0104 chemical sciences
  • Hacettepe Üniversitesi Açık Erişim Sistemi

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  • Open Access English
    Authors: 
    Ihsan Calis; Deniz Tasdemir; Chris M. Ireland; Otto Sticher;
    Publisher: Pharmaceutical Soc Japan
    Countries: Turkey, Germany

    Two new lucidin type anthraquinone glycosides, putorinoside A (1) and putorinoside B (2) were isolated from Putoria calabrica, in addition to two known anthraquinone glycosides, lucidin 3-O-beta-glucopyranoside (3) and lucidin 3-O-primeveroside (4). Based on spectroscop...

  • Open Access
    Authors: 
    Ihsan Calis; Hasan Kırmızıbekmez; Deniz Tasdemir; Chris M. Ireland;
    Publisher: Pharmaceutical Society of Japan
    Countries: Germany, Turkey

    From the ethanolic extract of the aerial parts of Globularia davisiana. a new iridoid glycoside, davisioside (1), was isolated. Davisioside (1) comprises a rare iridoid aglycone structure with a saturated double bond between C-3 and C-4. Nine known iridoid glycosides, a...

  • Open Access English
    Authors: 
    Deniz Tasdemir; Gina C. Mangalindan; Gisela P. Concepcion; Mary Kay Harper; Chris M. Ireland;
    Publisher: Pharmaceutical Soc Japan
    Countries: Germany, Turkey

    A new purine 3,7-dimethylguanine (1) has been isolated from the marine sponge Zyzzya fuliginosa, along with the known metabolites. makaluvamines A, C, K (2-4), 4-hydroxyphenylacetic acid (5), methyl ester of 4-hydroxyphenylacetic acid (6), 4-hydroxyphenethyl alcohol (7)...