Acetic acid (2S,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-{4-[2-mercapto-6-(2-nitro-phenyl)-5,6-dihydro-pyrimidin-4-yl]-phenoxy}-tetrahydro-pyran-3-yl ester 在
sodium methylate 作用下,
以
甲醇 为溶剂,
以72%的产率得到6-(2-nitrophenyl)-4-[4-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyphenyl]-5,6-dihydro-1H-pyrimidine-2-thione