Anhydrous FeCl3 in CH2Cl2 has been found to readily anomerize β-glycopyranosides to their corresponding α-anomers in good yields and selectivities at room temperatures. Acetyl- and benzoyl-protected oxygen sugars yielded the best results.
已经发现CH 2 Cl 2中的无
水FeCl 3可以在室温下以良好的产率和选择性将β-糖
吡喃糖苷容易地异构化为其相应的α-端基异构体。乙酰基和苯甲酰基保护的氧糖产生了最好的结果。