The spacer-containing tetramers 3 and 4, derivatives of the phenolic glycolipids of Mycobacterium kansasii serovars II and IV were prepared by iodonium ion-mediated mannosylation of trimeric acceptor 4-[2-(benzyloxycarbonylamino)ethyl]phenyl (2) with ethyl 1-thio-d-mannopyranoside donors 7, 13, and 24. In addition, the glycosylating properties of donors 7, 13, 24, 29–31, each containing a different
含间隔基的四聚体3和4,堪萨斯分枝杆菌血清型II和IV的
酚糖脂衍
生物是通过
碘离子介导的三聚体受体4- [2-(苄氧基羰基
氨基)乙基]苯基(2)与1-乙基的
甘露糖基化反应制得的。
硫代d-D-
吡喃
甘露糖苷供体7,13,和24。此外,供体的糖基化特性7,13,24,29-31,每个包含一个不同的保护基团在2位,通过用模型受体执行缩合检查18(L)和其对映体18(d)。