4-[4-[3,5-di-tert-butyl-4-(4-hydroxybutoxy)phenylsulfanyl]-4-(3,5-di-tert-butyl-4-hydroxyphenyl-sulfanyl)piperidin-1-yl]-4-oxobutyric acid ethyl ester 在
lithium aluminium tetrahydride 、
rochelle salt 作用下,
以
四氢呋喃 为溶剂,
反应 2.5h,
以40%的产率得到2,6-di-tert-butyl-4-[4-[3,5-di-tert-butyl-4-(4-hydroxybutoxy)phenylsulfanyl]-1-(4-hydroxy-butyl)piperidin-4-ylsulfanyl]phenol