1-(2,2-diphenylvinylidene)-2,2,3,3-tetramethylcyclopropane 、
N-(4-hydroxy-4,4-diphenylbut-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92%的产率得到N-[(1-benzhydrylidene-3,3-dimethyl-4-phenyl-2-propan-2-ylidenecyclopenta[a]inden-8b-yl)methyl]-4-methyl-N-prop-2-ynylbenzenesulfonamide