Acetic acid 2,6-di-tert-butyl-4-[4-(3,5-di-tert-butyl-4-hydroxy-phenyl)-buta-1,3-diynyl]-phenyl ester 在
silver(II) oxide 作用下,
以
苯 为溶剂,
以60%的产率得到Acetic acid 4-[2-(4-acetoxy-3,5-di-tert-butyl-phenylethynyl)-3,4-bis-(3,5-di-tert-butyl-4-oxo-cyclohexa-2,5-dienylidene)-cyclobut-1-enylethynyl]-2,6-di-tert-butyl-phenyl ester