Removal of sugar dithioacetal group with N-bromosuccinimide
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Add time:07/25/2019 Source:sciencedirect.com
Oxidative removal of the dithioacetal group of several protected sugar and 2-acylamido-2-deoxy sugar dialkyl dithioacetals with N-bromosuccinimide in 97% aqueous acetone or 1:1 (v/v) 2-methyl-2-propanol—acetone was compared with removal with mercury dichloride—mercury(II) oxide or mercury dichloride—cadmium carbonate. In general, removal with N-bromosuccinimide proceeded more rapidly, and, with one exception, yields were higher than or equal to those obtained with the method using mercury salt.
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