(4-Chloro-phenoxy)-acetic acid (2R,3R,4R,5R)-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-3-hydroxy-4-(4-methoxy-tetrahydro-pyran-4-yloxy)-tetrahydro-furan-2-ylmethyl ester 在
N-甲基咪唑 、
potassium carbonate 作用下,
以
1,4-二氧六环 、
甲醇 、
乙腈 为溶剂,
反应 0.03h,
生成
Phosphoric acid 2-chloro-phenyl ester (2R,3R,4R,5R)-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-2-hydroxymethyl-4-(4-methoxy-tetrahydro-pyran-4-yloxy)-tetrahydro-furan-3-yl ester 2,2,2-trichloro-ethyl ester