-D-glucopyranoside 1 or 3-O-benzyl-1,2-O-isopropylidene-5-O-trifluoromethenesulfonyl-α-D-ribofuranoside 2 with a variety of functionalized C-nucleophiles in THF/HMPA leads to the corresponding chain-extended sugars in very good to excellent yields.
摘要 甲基 4-O-苄基-2,3-二-O-甲氧基甲基-6-O-1-6-O-三
氟甲磺酰基-α-
D-吡喃葡萄糖苷 1 或 3-O-苄基-1,2-O 的处理-isopropylidene-5-O-trifluoromethenesulfonyl-α-D-ribofuranoside 2 在 THF/HMPA 中与各种官能化的 C-亲核试剂一起产生相应的链延长糖,产率非常好。