Polysulfonylated cyclodextrins. Part 13: Chemistry of cyclomaltoheptaose tetrasulfonates providing a complete 6-O-sulfonylated cyclomaltoheptaoses library |
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| Authors: | Hatsuo Yamamura Hironori Tashiro Jumpei Kawasaki Koji Kawamura Kawai Masao |
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| Affiliation: | Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, Aichi 466-8555, Japan |
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| Abstract: | Five regioisomeric cyclomaltoheptaose (β-cyclodextrin) tetramesitylenesulfonates were prepared and each of them was isolated by a combination of reversed and ordinary phase chromatographic separations. The positions of the substituents on each regioisomer were unambiguously determined using interresidual NOEs. As a result of this study, an indexed library of sulfonylated β-cyclodextrins composed of 19 sulfonates has been established. |
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| Keywords: | Cycloheptamaltose Cyclodextrin Tetrasulfonate Regioisomeric determination Interresidual NOE |
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