Abstract
The key step to attach functionnal groups on the primary hydroxyls of CD’s is a selective sulfonation to afford a monotosyl derivative. The preparation method and substitution pattern of the popular sulfonated CD’s are still unclear. Two major methods have been described in alkaline aqueous solutions1-3 or organic solvents4-5. Using pyridine as solvent leads mainly to mono-6-tosyl-6-deoxy-ß-cyclodextrin but the final product is contaminated with di- or tri-tosyl-ß-CD derivatives. Conversely, in aqueous solution only mono-6-tosyl-6-deoxy-ß-cyclodextrin is formed but with a relatively poor yield (less than 15%).
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© 1999 Springer Science+Business Media Dordrecht
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Djedaini-Pilard, F. et al. (1999). Mono-6-Tosyl-ß-Cyclodextrin: Preparation, Hydrolysis and Self-Inclusion Studies in Aqueous Solution. In: Labandeira, J.J.T., Vila-Jato, J.L. (eds) Proceedings of the Ninth International Symposium on Cyclodextrins. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-4681-4_16
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DOI: https://doi.org/10.1007/978-94-011-4681-4_16
Publisher Name: Springer, Dordrecht
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