5-bromo-3-pyridinyl 2,3,4-tri-O-acetyl-5-thio-β-D-xylopyranoside 、
2,4-二氟苯硼酸 以5-(2,4-difluorophenyl)-3-pyridinyl 2,3,4-tri-O-acetyl-5-thio-β-D-xylopyranoside is obtained in the form of an off-white foam (yield=87%)的产率得到5-(2,4-difluorophenyl)-3-pyridinyl 2,3,4-tri-O-acetyl-5-thio-β-D-xylo-pyranoside