作者:Lutz-F Tietze、Poland Fischer、Hans-Joachim Guder
DOI:10.1016/s0040-4039(00)85681-6
日期:1982.1
Reaction of phenyl-trimethylsilylethers (3) with 1-O-trimethylsilyl-2,3,4,6-tetra-O-acetyl-D-glucoside (1) (anomeric mixture) yields almost exclusively the aryl-β-glucosides (4) in the presence of catalytic amounts of TMS-triflate at 20°C, whereas (3) and 1-O-trimethylsilyl-2,3,4,6-tetra-O-benzyl-D-glucoside (2) gives mainly the aryl-α-glucosides (8).
苯基三甲基甲硅烷基醚(3)与1-O-三甲基甲硅烷基-2,3,4,6-四-O-乙酰基-D-葡萄糖苷(端基混合物)的反应几乎只产生芳基-β-葡萄糖苷(4 )在20°C下催化量的TMS-三氟甲磺酸盐存在下,而(3)和1-O-三甲基甲硅烷基-2,3,4,6-四-O-苄基-D-葡萄糖苷(2)主要产生芳基-α-葡萄糖苷(8)。