derivatives. 1H-N.m.r. spectral studies revealed that the 2-bromo- and 2-chloro-β- d -xylo-hexopyranosid-3-uloses readily equilibrated with their hydrates, but the remaining glycosid-3-uloses, including the α- d -xylo and α- and β- d -ribo isomers, were not hydrated under similar conditions.
摘要以
3-硝基-β-d-苏-hex-2-烯
吡喃糖苷衍
生物为原料制备标题糖苷-3-
果糖。1H-Nmr光谱研究表明2-
溴-和2-
氯-β-d-
木糖基己
吡喃糖苷3-uloses易于与它们的
水合物平衡,但其余的糖苷3-uloses,包括α-d-xylolo α-和β-d-ribo异构体在相似条件下未
水合。