Phenyl with electron donor group move first (p-Meoc6 -CPh 72% H (p-MeoC Ha)C-CPhy Ph o OHOH p-Meoc6H4c--cph? 28% O C6HgOMe-pPhenyl with electron donor group move first (p MeOC6H4 ) 2C OH CPh2 OH H + (p MeOC6H4 ) 2 C Ph CPh O p MeOC6H4 C O CPh2 C6H4OMe p 72% 28%