The rate of photochemical rearrangement of 1,1-diarylcyclopropanes to 1,1-diarylpropenes and 1-arylindanes is enhanced by electron-withdrawing groups on the aromatic rings and diminished by electron-donating groups.
1,1-二芳基
环丙烷向1,1-二芳基
丙烯和1-芳基
茚满的光
化学重排速率通过芳环上的吸电子基团提高,而通过供电子基团降低。