in tetrahydrofuran Acetylation; 4 h; Heating;

1: benzyl alcohol With n-butyllithium in tetrahydrofuran; hexane T=20°C; Metallation; 0.25 h; 2: acetic acid 1-(2,5-dichloro-phenyl)-2,2-bis-methylsulfanyl-vinyl ester in tetrahydrofuran; hexane T=20°C; Acetylation; 1 h;

1: tert-butyl alcohol With n-butyllithium in tetrahydrofuran; hexane T=20°C; Metallation; 0.25 h; 2: acetic acid 1-(2,5-dichloro-phenyl)-2,2-bis-methylsulfanyl-vinyl ester in tetrahydrofuran; hexane Acetylation; 1 h; Heating;

1: n-dodecanol With n-butyllithium in tetrahydrofuran; hexane T=20°C; Metallation; 0.25 h; 2: acetic acid 1-(2,5-dichloro-phenyl)-2,2-bis-methylsulfanyl-vinyl ester in tetrahydrofuran; hexane T=20°C; Acetylation; 1 h;

1: 4-bromo-phenol With n-butyllithium in tetrahydrofuran; hexane T=20°C; Metallation; 0.25 h; 2: acetic acid 1-(2,5-dichloro-phenyl)-2,2-bis-methylsulfanyl-vinyl ester in tetrahydrofuran; hexane Acetylation; 1 h; Heating;

1: 1-methylheptanol With n-butyllithium in tetrahydrofuran; hexane T=20°C; Metallation; 0.25 h; 2: acetic acid 1-(2,5-dichloro-phenyl)-2,2-bis-methylsulfanyl-vinyl ester in tetrahydrofuran; hexane Acetylation; 1 h; Heating;