Indium(III) trifluoromethanesulfonate has been found to be extremely efficient in catalyzing acyl transfer reactions of various carbohydrates and their derivatives. Selective acetolyses of certain benzyl ethers/isopropylidene acetals of sugars have been possible using In(OTf)3 in Ac2O (neat). Reaction of the per-O-acetate of 2-deoxy-2-phthalimido-D-glucose with benzyl mercaptan in the presence of In(OTf)3
已经发现
三氟甲磺酸铟(III)在催化各种
碳水化合物及其衍
生物的酰基转移反应中非常有效。使用In(OTf)3在Ac2O中(纯净)可以对某些糖的
苄基醚/异亚丙基
缩醛进行选择性乙酰
水解。在In(OTf)3存在下2-
脱氧-2-邻
苯二甲
酰亚胺基-
D-葡萄糖的全-O-
乙酸酯与
苄硫醇的反应导致高产率地形成相应的
硫代糖苷。在In(OTf)3的存在下,也非常有效地实现了各种
碳水化合物的异亚丙基和亚
苄基缩醛的轻松形成和
水解。结果表明,In(OTf)3在合成
碳水化合物化学中具有广阔的前景。