2-[3-(2-amino-ethyl)-phenoxy]-2-methyl-propionic acid ethyl ester 、
6-Bromo-4-methyl-2-(4,4,4-trifluoro-butyl)-2H-[1,2,4]triazine-3,5-dione 、
三乙胺 在
ethyl 2-methyl-2-(3-{2-[4-methyl-3,5-dioxo-2-(4,4,4-trifluoro-butyl)-2,3,4,5-tetrahydro-[1,2,4]triazin-6-ylamino]-ethyl}-phenoxy)-propionate 、
乙酸乙酯 、
magnesium sulfate 、 silica 、 petroleum ether AcOEt 作用下,
以
正丁醇 、
水 为溶剂,
反应 24.0h,
以0.4 g of compound 56 is isolated in the form of an oil (yield=27%)的产率得到ethyl 2-methyl-2-(3-{2-[4-methyl-3,5-dioxo-2-(4,4,4-trifluoro-butyl)-2,3,4,5-tetrahydro-[1,2,4]triazin-6-ylamino]-ethyl}-phenoxy)-propionate