G.l.c.-m.s. of partially methylated and acetylated derivatives of l-glycero-d-manno- and d-glycero-d-manno-heptopyranoses and -heptitols
作者:Otto Holst、Helmut Brade、Krzysztof Dziewiszek、Aleksander Zamojski
DOI:10.1016/0008-6215(90)84016-n
日期:1990.9
Methylated or acetylated heptopyranose derivatives were prepared variously from L-glycero-D-manno- and D-glycero-D-manno-heptopyranose, O-L- glycero-alpha-D-manno-heptopyranosyl-(1----3)-L-glycero-D-manno- heptopyranose, O-L-glycero-alpha-D-manno-heptopyranosyl-(1----7)-L-glycero- D-manno-heptopyranose, and O-L-glycero-alpha-D-manno- heptopyranosyl-(1----7)-O-L-glycero-alpha-D-manno- heptopyranosy
从L-甘油-D-甘露糖和D-甘油-D-甘露糖七糖,OL-甘油-α-D-甘露糖-戊糖基-(1-3)-L制备甲基化或乙酰化的七吡喃糖衍生物-甘油-D-甘露糖-庚糖,OL-甘油-α-D-甘露糖-吡喃糖基-(1 ---- 7)-L-甘油-D-甘露糖-庚糖和OL-甘油-α-D-甘露糖-庚基吡喃糖基-(1 ---- 7)-OL-甘油-α-D-甘露糖-庚基吡喃糖基-(1 ---- 3)-L-甘油-D-甘露糖-七吡喃糖,它们是庚糖的结构要素肠细菌脂多糖区域。通过glc和glc-ms对每种衍生物进行了研究,保留时间和片段化模式用于鉴定细菌LPS核心寡糖庚糖区域的部分结构。