Add time:08/01/2019         Source:sciencedirect.com

6-Azido-6-deoxy-d-galactitol and d-mannitol were obtained quantitatively via the reduction of the corresponding 6-azido-6-deoxy-d-hexono-1,4-lactones, and 6-azido-6-deoxy-d-glucitol was obtained by the reduction of 6-azido-6-deoxyglucose in good yields. The reduction of monoazidodeoxyhexitols by catalytic hydrogenation gave the monoaminohexitol analogues in 95–98% yields. Oxidation of these afforded the corresponding 6-amino-6-deoxy-d-aldonic acids in moderate yields. Alternatively, saponification of 6-azido-6-deoxy-d-hexonolactones gave 6-azido-6-deoxyaldonic acid salts which, after reduction followed by neutralization, led to the expected compounds in 82–88% overall yields.

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