N,N'-硫羰基二咪唑 、
benzyl 2-acetamido-2-deoxy-4,6-di-O-pivaloyl-α-D-galactopyranoside 以
甲苯 为溶剂,
反应 4.0h,
以96%的产率得到2,2-Dimethyl-propionic acid (2R,3R,4R,5R,6S)-5-acetylamino-6-benzyloxy-2-(2,2-dimethyl-propionyloxymethyl)-4-(imidazole-1-carbothioyloxy)-tetrahydro-pyran-3-yl ester