Carbohydrate Research p. 261 - 266 (1997)
Update date:2022-08-05
Topics:
Zhu, Xiao-Xiang
Cai, Meng-Shen
Zhou, Rou-Li
Studies on the reactivity of two synthetic tetrasaccharides as glycosyl acceptors showed that condensation of the methyl α-glycoside with a disaccharide donor afforded a hexasaccharide, but condensation of the methyl β-glycoside with the disaccharide did not yield the corresponding hexasaccharide under the same conditions. A combination of theoretical results and 2D NMR indicated that the reactivity difference between the methyl α-glycoside and the methyl β-glycoside was determined mainly by steric effects.
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(1981)