1-(2,2-diphenylvinylidene)-2,2,3,3-tetramethylcyclopropane 、
3-methoxy-1-(4-methoxy-phenyl)-3,3-diphenyl-propyne 在
scandium tris(trifluoromethanesulfonate) 作用下,
以
1,2-二氯乙烷 为溶剂,
反应 8.0h,
以55%的产率得到3-(diphenylmethylene)-5-methoxy-2,2-dimethyl-8,8-diphenyl-1-(propan-2-ylidene)-1,2,3,8-tetrahydrocyclopenta[a]indene