Methyl 6-[3,3-dimethyl-10-[(2-nitrophenyl)sulfonyl-prop-2-ynylamino]-1,5-dioxaspiro[5.5]undec-8-en-9-yl]-1,3-benzodioxole-5-carboxylate 在
palladium(II) acetate 、
三苯基膦 作用下,
以
苯 为溶剂,
反应 2.0h,
以72%的产率得到dimethyl 6,6'-(((4-methylenepent-2-yne-1,5-diyl)bis(((2-nitrophenyl)sulfonyl)azanediyl))bis(3,3-dimethyl-1,5-dioxaspiro[5.5]undec-9-ene-8,9-diyl))bis(benzo[d][1,3]dioxole-5-carboxylate)