Methoxy-acetic acid (2R,3S,5R)-2-(fluoro-mercapto-phosphoryloxymethyl)-5-(5-methyl-2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester 在
ammonium hydroxide 、
potassium tert-butylate 作用下,
以
乙醇 为溶剂,
反应 2.5h,
生成 1-[(4aR,6R,7aS)-2-hydroxy-2-sulfanylidene-4a,6,7,7a-tetrahydro-4H-furo[3,2-d][1,3,2]dioxaphosphinin-6-yl]-5-methylpyrimidine-2,4-dione