5-bromo-3-pyridinyl 2,3,4-tri-O-acetyl-5-thio-β-D-xylopyranoside 、
3-氰基-4-氟苯硼酸 以5-(3-cyano-4-fluorophenyl)-3-pyridinyl 2,3,4-tri-O-acetyl-5-thio-β-D-xylopyranoside is obtained in the form of a white powder (yield=66%)的产率得到5-(3-cyano-4-fluorophenyl)-3-pyridinyl 2,3,4-tri-O-acetyl-5-thio-β-D-xylo-pyranoside