A novel and facile acylation procedure of cyclodextrin derivatives was presented. Acylation reaction was catalyzed by various Lewis acids and anhydrous ferric chloride was found to most effective. Selective methylation of β-cyclodextrin was disscused. Reaction of propylene oxide and β-cyclodextrin results in various type of hydroxypropylated β-cyclodextrins depending on the used basie, its concentration and temperature.
An overview of cyclodextrin production and utilization in food, pesticide and pharmaceutical topics. Enzymatic preparation of cyclodextrins can be influenced by prehydrolytic treatment of starches and addition of organie molecules to the fermentation liquor. 1-Decanol for CD, toluene for αCD, and α-naphtol for the γCD seem to be the most effective templates of their production. Oral and parenteral toxicity of cyclodextrin derivatives is discussed.
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