ethyl 3-(1,3-benzodioxol-5-yl)-4-[3-[2-(1-methyl-3,4-dihydro-2H-pyrido[2,3-b]pyrazin-6-yl)ethoxy]-1,2-oxazol-5-yl]butanoate 在
sodium hydroxide 作用下,
以
四氢呋喃 为溶剂,
生成 3-(Benzo[d][1,3]dioxol-5-yl)-4-(3-(2-(1-methyl-1,2,3,4-tetrahydropyrido[2,3-b]pyrazin-6-yl)ethoxy)isoxazol-5-yl)butanoic acid