[(3R,4S,5R,6S)-4,5-diacetyloxy-6-[[3-cyano-4-(4-methoxyphenyl)-6-methyl-5-[(4-methylphenyl)carbamoyl]-1,4-dihydropyridin-2-yl]sulfanyl]oxan-3-yl] acetate 在
甲醇 、
氨 作用下,
以56%的产率得到5-cyano-4-(4-methoxyphenyl)-2-methyl-N-(4-methylphenyl)-6-[(2S,3R,4S,5R)-3,4,5-trihydroxyoxan-2-yl]sulfanyl-1,4-dihydropyridine-3-carboxamide