[(2R,3S,4S,5R,6R)-3,4,5-triacetyloxy-6-[3-cyano-4-(4-methoxyphenyl)-6-(4-methylphenyl)-2-sulfanylidenepyridin-1-yl]oxan-2-yl]methyl acetate 在
氨 作用下,
以
甲醇 为溶剂,
以84%的产率得到4-(4-methoxyphenyl)-6-(4-methylphenyl)-2-sulfanylidene-1-[(2R,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]pyridine-3-carbonitrile