Abstract
A new and improved method for the regioselective synthesis of mono-2-tosyl-β-cyclodextrin was achieved under aqueous conditions that do not require large amounts of polar organic solvents such as N,N-dimethylformamide (DMF), specific basic catalysts such as Cs2CO3, or flammable bases such as NaH. Moreover, mono-2,3-mannoepoxy-β-cyclodextrin was also synthesized in the same reaction system by prolonging the reaction time.
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Financial support from the Natural Science Foundation of Ningxia Medical University (No. XT201001) is gratefully acknowledged.
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Wang, Zz., Fu, Xy., Dai, Gd. et al. Efficient and improved syntheses of two key intermediates for functionalization of β-cyclodextrin at the secondary hydroxyl face. Monatsh Chem 142, 317–319 (2011). https://doi.org/10.1007/s00706-011-0451-4
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DOI: https://doi.org/10.1007/s00706-011-0451-4