Journal of Organic Chemistry p. 877 - 880 (1990)
Update date:2022-08-02
Topics:
Fujita, Kahee
Tahara, Tsutomu
Yamamura, Hatsuo
Imoto, Taiji
Koga, Toshitaka
et al.
A reaction of β-cyclodextrin with β-naphthylsulfonyl chloride in alkaline aqueous acetonitrile gave only one isomer (3A,3C,3E-trisulfonate, 17.8percent) of five 3,3,3-tri-O-sulfonyl-β-cyclodextrins.The isomer was converted to 3A,6A:3C,6C:3E,6E-trianhydro-β-cyclodextrin, the structure of which was assigned by comparing its spectral and HPLC data of the trianhydro-β-cyclodextrin with those of all authentic 3,6:3,6:3,6-trianhydro-β-cyclodextrins prepared by the reactions of known 6-tri-O-sulfonylated β-cyclodextrins with aqueous alkali.
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