(E)-9,12,21,24-Tetraoxa-3-aza-tricyclo[23.2.2.25,8]hentriaconta-1(28),5(31),6,8(30),16,25(29),26-heptaene-3-carboxylic acid tert-butyl ester 在
palladium on activated charcoal
氢气 作用下,
以
乙酸乙酯 为溶剂,
反应 6.0h,
以96%的产率得到9,12,21,24-Tetraoxa-3-aza-tricyclo[23.2.2.25,8]hentriaconta-1(28),5(31),6,8(30),25(29),26-hexaene-3-carboxylic acid tert-butyl ester