Citation:
Zhan Jiang LI, Zhi Tang HUANG. High Stereoselective Glycosylation of Calix[4]arenes with α-Acetobromoglucopyranoside[J]. Chinese Chemical Letters,
;1997, 8(5): 369-372.
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Glycosylation of calix[4]arenes with α-acetobromoglucopyranoside 1 in acetonitrile in the presence of potassium carbonate or calcium hydride under mild conditions gave sugar calix[4]arenes 4 and 5 in good yields,and β-anomers were the sole products with high stereoselectivity.Compound 4 or 5 were dealt with ammonia in methyl alcohol to afford the water-soluble calix[4]arenes derivatives 6 and 7.
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