2.6-Dideoxy-2-fluoro-L-talopyranose and I-substituted denvatives thereof. including methyl 2.6-dideoxy-2-fluoro-L-talopyranoside and 3.4-di-O-protected-2,6-dfdeoxy-2-fluoro-L-ta- lopyranosyl halides. are now provided and these new compounds are useful as intermediates for use in the synthesis of new compounds having antitumor activity. especially 7-O-(2.6-dideoxy-2-fluoro-α-L-talopyranosyl)daunomycinone or -adriamycinone. 2.6-Dideoxy-2-fluoro-L-talopyranose shows antibacterial activity. 2.6-Dideoxy-2-fluoro-L-talopyranose and the I-substituted derivatives thereof may be produced by a multi-stage process starting from L-fucose.
2.6-二
脱氧-2-
氟-L-talopyranose 及其 I-取代的变性物,包括
甲基 2.6-二
脱氧-2-
氟-L-talopyranoside 和 3.4-二-O-保护-
2,6-二脱氧-2-
氟-L-talopyranosyl 卤化物。特别是 7-O-(2.6-二
脱氧-2-
氟-α-L-
吡喃塔
吡喃糖基)daunomycinone 或-adriamycinone。2.6-Dideoxy-2-fluoro-L-talopyranose 具有抗菌活性。2.6-Dideoxy-2-fluoro-L-talopyranose 及其 I-取代衍
生物可从
L-岩藻糖开始通过多级工艺生产。