1-(2,2-diphenylvinylidene)-2,2,3,3-tetramethylcyclopropane 、
N-(4-hydroxy-4,4-di-p-tolylbut-2-yn-1-yl)-4-methyl-N-(prop-2-yn-1-yl)benzenesulfonamide 在
tin(II) trifluoromethanesulfonate 作用下,
以
1,2-二氯乙烷 为溶剂,
反应 6.0h,
以93%的产率得到N-((3-(diphenylmethylene)-1,1,5-trimethyl-2-(propan-2-ylidene)-8-(p-tolyl)-2,3-dihydrocyclopenta[a]inden-3a(1H)-yl)methyl)-4-methyl-N-(prop-2-yn-1-yl)benzenesulfonamide