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7736278 
Journal Article 
A Novel Preparation and Purification of Penta-Substituted 6-O-Propyl-beta-cyclodextrin 
Gan, Y 
2014 
Yes 
Asian Journal of Chemistry
ISSN: 0970-7077
EISSN: 0975-427X 
Chemical Publishing Co. 
26 
14 
4395-4398 
English 
WOS:000344361100054 
A synthetic process about propyl-β-cyclodextrins has been investigated through the reaction between β-cyclodextrin and dipropyl carbonate by anhydrous potassium carbonate as catalyst in DMF, penta-substituted 6-O-propyl-β-cyclodextrin was purified by silica gel chromatography. The structures of product were characterized by TLC, IR, MS, 1H NMR and 13C NMR. Mass spectra and 1H NMR proved the average degree of substitution of propyl-β-cyclodextrin is 5. 13C NMR proved the position of propyl at 6-position. 
beta-Cyclodextrin; 6-O-Propyl-beta-cyclodextrin; Dipropyl carbonate; Propylation; NMR