1: phenol With n-butyllithium in tetrahydrofuran; hexane T=20°C; Metallation; 0.25 h; 2: 1-Phenyl-2,2-(dimethylsulfanyl)vinyl benzoate in tetrahydrofuran; hexane Acylation; 2 h; Heating;

1: benzyl alcohol With n-butyllithium in tetrahydrofuran; hexane T=20°C; Metallation; 0.25 h; 2: 1-Phenyl-2,2-(dimethylsulfanyl)vinyl benzoate in tetrahydrofuran; hexane T=20°C; Acylation; 1 h;

in tetrahydrofuran Acylation; 48 h; Heating;

1: tert-butyl alcohol With n-butyllithium in tetrahydrofuran; hexane T=20°C; Metallation; 0.25 h; 2: 1-Phenyl-2,2-(dimethylsulfanyl)vinyl benzoate in tetrahydrofuran; hexane Acylation; 1 h; Heating;