1: 3-(p-hydroxyphenyl)-3-methyl-2-butanone With phenoxide resin IRA-400 in 1,2-dichloro-benzene 2: diethyl sulphate in tetrahydrofuran 0.05 h; microwave irradiation; Further stages.;

sodium hydroxide Methylation;

1: 92 percent / AlCl3 / hexane / 0.75 h / Ambient temperature 2: 80 percent / 10.5percent aq. NaOH View Scheme