A stereocontrolled synthesis of 3-acetamido-1,3,5-trideoxy- and 1,3,5,6-tetradeoxy-1,5-imino-d-glucitol

3-Acetamido-5-amino-3,5,6-trideoxy-d-glucono-1,5-lactam and 3-acetamido-5-amino-3,5-dideoxy-d-glucono-1,5-lactam were synthesized from corresponding 3-acetamido-3-deoxy-β-d-glucopyranosides in 63% and 35% overall yield, respectively. Acetylation followed by reduction led to the title 3-acetamido-3-deoxy derivatives of both deoxynojirimycin and 1,6-dideoxynojirimycin. The procedure developed is useful for a multi-gram scale.

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