Glycosylation of calix[4]arenes with a - acetobromoglucopyanoside 1 inacetonitrile in the presence of potassium carbonate or calcium hydride under mildconditions gave sugar calix[4]arenes 4 and 5 in good yields, and ...Glycosylation of calix[4]arenes with a - acetobromoglucopyanoside 1 inacetonitrile in the presence of potassium carbonate or calcium hydride under mildconditions gave sugar calix[4]arenes 4 and 5 in good yields, and β-anomers were thesole products with high stereoselectivity. Compound 4 or 5 were dealt with anunoniain methyl alcohol to afford the Waer-soluble calix[4]arenes derivatives 6 and 7.展开更多
文摘Glycosylation of calix[4]arenes with a - acetobromoglucopyanoside 1 inacetonitrile in the presence of potassium carbonate or calcium hydride under mildconditions gave sugar calix[4]arenes 4 and 5 in good yields, and β-anomers were thesole products with high stereoselectivity. Compound 4 or 5 were dealt with anunoniain methyl alcohol to afford the Waer-soluble calix[4]arenes derivatives 6 and 7.
