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  • Title: Synthesis of antitumor-active 7-O-(2,6-dideoxy-2-fluoro-alpha-L-talopyranosyl)-daunomycinone and -adriamycinone.
    Author: Ok K, Takagi Y, Tsuchiya T, Umezawa S, Umezawa H.
    Journal: Carbohydr Res; 1987 Nov 15; 169():69-81. PubMed ID: 3427590.
    Abstract:
    The title compounds (17 and 23) were prepared by coupling 3,4-di-O-acetyl-2,6-dideoxy-2-fluoro-alpha-L-talopyranosyl bromide (15) with daunomycinone. The key step in the preparation of 15 was the epoxide-ring opening of methyl 2,3-anhydro-4-O-benzyl-6-deoxy-alpha-L-gulopyranoside with KHF2 in ethylene glycol, whereupon 2-fluoro-alpha-L-idopyranoside was obtained. Compounds 17 and 23 showed strong antitumor activity.
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