2,4-二-O-甲基-3-O-(2-O-甲基-α-L-鼠李吡喃糖基)-α-L-鼠李吡喃糖苷甲酯和2,4-二-O-甲基-3-O-[2-O-甲基-3-O-(2-O-甲基-α-L-岩藻吡喃糖基)-α-L-鼠李吡喃糖基]-α-L-鼠李吡喃糖苷甲酯的合成：堪萨斯分枝杆菌酚糖脂的二糖和三糖片段
Synthesis of methyl 2,4-di-O-methyl-3-O-(2-O-methyl-alpha-L-rhamnopyranosyl)-alpha-L- rhamnopyranoside and methyl 2,4-di-O-methyl-3-O-[2-O-methyl-3-O-(2-O-methyl-alpha-L-fucopyranosyl)- alpha-L-rhamnopyranosyl]-alpha-L-rhamnopyranoside: di- and tri-saccharide segments of a phenolic glycolipid of Mycobacterium kansasii.
作者信息
Gurjar M K, Reddy K R
机构信息
Indian Institute of Chemical Technology, Hyderabad.
出版信息
Carbohydr Res. 1992 Mar 30;226(2):233-8. doi: 10.1016/0008-6215(92)84070-9.
PMID:1617686
Abstract
Syntheses of the title glycosides are described. The critical O-glycosylations were carried out in the presence of boron trifluoride etherate with a high degree of alpha-selectivity.
摘要
描述了标题糖苷的合成。关键的O-糖基化反应是在三氟化硼乙醚存在下进行的，具有高度的α-选择性。
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