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Fluorinated oligosaccharides

Chapter 20, and to n.m.r. spectroscopy of fluorinated oligosaccharides in Chapter 21. The 4.", 6"-dideoxy-4", 6"-difluoro-, 4",6"-di-deoxy-4"-fluoro-, 6"-deoxy-6"-fluoro-, and 6"-deoxy-derivatives of 4"-epi-kanamyoin A have been synthesized from the 4" 6"-ditriflate and 6"-broaylated-4"-triflate derivatives of kanamycin A and their antibacterial properties examined. A discussion of the conversion of hydroxy groups into chloro-, bromo-, and iodo-deoxy groups... [Pg.83]

UDP-A-MurNAc-depsipentapeptide) derivatives including fluorescent-labeled derivatives. Shin-ichiro Nishimura et al. reported the synthesis of UDP-MurNAc-pentapeptide derivatives possessing a levulinyl (Lev) group on the side chain of the Lys residue [82, 83] for subsequent introduction of fluorescent label or oligosaccharide moieties by oxime formation after their incorporation through cell-wall biosynthesis. The 4-fluorinated UDP-MurNAc-pentapeptide was also synthesized as a stable biosynthesis inhibitor [84],... [Pg.370]

Scheme 4. The two-stage activation method for oligosaccharide synthesis the use of thioglycosides as convenient sources of fluorinated glycosyl donors and application of the technology to the partial synthesis of avermectin (18). (Nicolaou, 1984) ... Scheme 4. The two-stage activation method for oligosaccharide synthesis the use of thioglycosides as convenient sources of fluorinated glycosyl donors and application of the technology to the partial synthesis of avermectin (18). (Nicolaou, 1984) ...
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Fluorinated oligosaccharides synthesis

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