Abstract
Glycosidases are involved in deactivation or storage of some endogenous bioactive substances through biologically intriguing processes. For example, nyctinastic leaf movement is controlled by a biological clock through the regulation of β-glucosidase activity. Ganem’s glyconoamidine ( 1 ) is used as a micromolar inhibitor of glucosidase in biochemical studies and would be useful as an affinity ligand for purification of glycosidase. However, its use for the specific inhibition of glucosidase which is highly specific to a glycoside with voluntary aglycon is seriously restricted because no universal method for the synthesis of N-alkylated glyconoamidine has been reported. Here, we report a concise synthesis of N-alkylated Ganem’s glyconoamidine with voluntary aglycon using a non-protected sugar derivative.
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