methyl (S)-2-phenyl-2-({(2R,4S,6S)-4-[(tetra-O-acetyl-α-D-galactopyranosyl)methyl]-6-(thiazol-2-yl)tetrahydropyran-2-yl}oxy)acetate 在
potassium cyanide 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以93%的产率得到methyl (S)-2-phenyl-2-({(2R,4S,6S)-4-[(α-D-galactopyranosyl)methyl]-6-(thiazol-2-yl)tetrahydropyran-2-yl}oxy)acetate