4-(chlorocarbonyl)-2,2,6,6-tetramethylpiperidin-1-yloxy 、
4-<(3,5-di-tert-butyl-4-hydroxyphenyl)(3,5-di-tert-butyl-4-oxocyclohexa-2,5-dienylidene)methyl>-4'-hydroxybiphenyl 在
吡啶 作用下,
反应 2.0h,
以12%的产率得到4-<(3,5-di-tert-butyl-4-hydroxyphenyl)(3,5-di-tert-butyl-4-oxocyclohexa-2,5-dienylidene)methyl>-4'-<(2,2,6,6-tetramethylpiperidin-1-yloxy-4-yl)(carbonyloxy)>biphenyl