N-[9-(1,3-benzodioxol-5-yl)-3,3-dimethyl-1,5-dioxaspiro[5.5]undec-8-en-10-yl]-2-nitro-N-prop-2-ynylbenzenesulfonamide 在
palladium(II) acetate 、
三苯基膦 作用下,
以
苯 为溶剂,
反应 2.0h,
以53%的产率得到N-(5-((N-(9-(benzo[d][1,3]dioxol-5-yl)-3,3-dimethyl-1,5-dioxaspiro[5.5]undec-9-en-8-yl)-2-nitrophenyl)sulfonamido)-2-methylenepent-3-yn-1-yl)-N-(9-(benzo[d][1,3]dioxol-5-yl)-3,3-dimethyl-1,5-dioxaspiro[5.5]undec-9-en-8-yl)-2-nitrobenzenesulfonamide