(2R,3R)-1,4-dioxaspiro[4.5]decane-2,3-dicarbohydrazide 、
对苯二甲醛 以
甲醇 为溶剂,
反应 24.0h,
以54%的产率得到(4'R,4'R,4'E,5'R,5'R,7'E,14'E,17'E)-dispiro[cyclohexane-1,2'-3,4,8,9,13,14,18,19-octaaza-1,11(4,5)-didioxolana-6,16(1,4)-dibenzenacycloicosaphanene-2',1''-cyclohexane]-4',7',14',17'-tetraene-2',10',12',20'-tetraone