[(3R,4S,5R,6S)-4,5-diacetyloxy-6-[4-(4-chlorophenyl)-5-[(4-chlorophenyl)carbamoyl]-3-cyano-6-methylpyridin-2-yl]sulfanyloxan-3-yl] acetate 在
甲醇 、
氨 作用下,
以59%的产率得到N,4-bis(4-chlorophenyl)-5-cyano-2-methyl-6-[(2S,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]sulfanylpyridine-3-carboxamide