3,3,4,5,5-pentamethyl-1-(ethoxycarbonylmethyl)-piperazin-2,6-dione 、
季戊四醇 在
lithium amide 作用下,
以
xylene 为溶剂,
反应 24.0h,
生成 [3-[2-(3,3,4,5,5-Pentamethyl-2,6-dioxopiperazin-1-yl)acetyl]oxy-2,2-bis[[2-(3,3,4,5,5-pentamethyl-2,6-dioxopiperazin-1-yl)acetyl]oxymethyl]propyl] 2-(3,3,4,5,5-pentamethyl-2,6-dioxopiperazin-1-yl)acetate