四甲基哌啶醇 、
N,N'-bis(2-methoxycarbonylethyl)-N,N'-bis(2,2,6,6-tetramethyl-4-piperidyl)-1,6-hexanediamine 在
titanium(IV) tetraethanolate 作用下,
以
Petroleum ether 为溶剂,
以93.48 %的产率得到N,N'-bis[2-(2,2,6,6-tetramethyl-4-piperidyloxycarbonyl)ethyl]-N,N'-bis(2,2,6,6-tetramethyl-4-piperidyl)-1,6-hexanediamine