1-(2,2-diphenylvinylidene)-2,2,3,3-tetramethylcyclopropane 、
N-[4,4-bis(4-chlorophenyl)-4-hydroxybut-2-ynyl]-4-methyl-N-prop-2-ynylbenzenesulfonamide 在
tin(II) trifluoromethanesulfonate 作用下,
以
1,2-二氯乙烷 为溶剂,
反应 6.0h,
以80%的产率得到N-[[1-benzhydrylidene-7-chloro-4-(4-chlorophenyl)-3,3-dimethyl-2-propan-2-ylidenecyclopenta[a]inden-8b-yl]methyl]-4-methyl-N-prop-2-ynylbenzenesulfonamide