This is a bit different from what you want, because you will get a fully substituted benzylic position. But maybe there can be some applications of
this method for 1,3-dienes or allyl alcohols(they both can form stable carbocathions not worse then substituted alkenes)? I guess no.. because then
the bees should have found this paper and posted on rhodium as a possible route for 1,4-dihydroxyallylbenzene.. |