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Figure 1 Preparation of N-[(methyl 5-de­oxy-2,3-O-iso­propyl­idene-β-D-ribo­furan­oside)-5-yl]-N,N,N-tri­methyl­ammonium tosyl­ate, (4). Reagents: (i) SnCl2·2H2O, conc. H2SO4, acetone, MeOH; (ii) TsCl, py; (iii) 33% ethano­lic solution of NMe3.

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COMMUNICATIONS
ISSN: 2056-9890
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