3-(2,4-dimethylphenoxy)-3-oxopropanoic acid 、 1,2,3-benzoxathiazine-2,2-dioxide-4-diisopropylphosphonate 在
(2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-(3-((1R,2R)-2-((R)-3,5-dihydro-4H-dinaphtho[2,1-c:1',2'-e]azepin-4-yl)-1,2-diphenylethyl)thioureido)tetrahydro-2H-pyran-3,4,5-triyl triacetate 作用下,
以
乙醚 为溶剂,
反应 36.0h,
以97%的产率得到(S)-2,4-dimethylphenyl 2-(4-(diisopropoxyphosphoryl)-2,2-dioxido-3,4-dihydrobenzo[e][1,2,3]oxathiazin-4-yl)acetate