Abstract
Synthesis of silylglycosides of 3-azido-2-deoxy-L-arabino- and ribo-hexopyranoses 4 and 5 has been achieved in 3 steps and 44,6% and 18% overall yields, respectively. The corresponding N-trifluoroacetamido derivatives 9 and 10 were further prepared in 3 steps. Usefulness of 4,9, and 10 was demonstrated by coupling with epipodophyllotoxin derivatives or with suitably protected amino-acids such as serine or 4-OH-phenylglycine or 4-OH-phenylglycinyl glucoside.
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