1: sesamol methyl ether With n-butyllithium in tetrahydrofuran T=-20°C; 1 h; 2: methyl iodide in tetrahydrofuran T=-20 - 20°C; Further stages.;

1.1: 4.7 g / ethyldiisopropylamine / CH2Cl2 / 0 - 20 °C 2.1: n-butyl lithium / tetrahydrofuran; hexane / 0.17 h / -78 °C 2.2: 90 percent / tetramethylethylenediamine / tetrahydrofuran; hexane / 12 h / -78 - 20 °C 3.1: HCl / ethanol / Heating 4.1: 3.0 g / potassium carbonate / acetone / 5 h / Heating View Scheme

1.1: potassium hydroxide / methanol; H2O 2.1: 4.7 g / ethyldiisopropylamine / CH2Cl2 / 0 - 20 °C 3.1: n-butyl lithium / tetrahydrofuran; hexane / 0.17 h / -78 °C 3.2: 90 percent / tetramethylethylenediamine / tetrahydrofuran; hexane / 12 h / -78 - 20 °C 4.1: HCl / ethanol / Heating 5.1: 3.0 g / potassium carbonate / acetone / 5 h / Heating View Scheme

1.1: m-chloroperoxybenzoic acid / CH2Cl2 / 18 h / Heating 2.1: potassium hydroxide / methanol; H2O 3.1: 4.7 g / ethyldiisopropylamine / CH2Cl2 / 0 - 20 °C 4.1: n-butyl lithium / tetrahydrofuran; hexane / 0.17 h / -78 °C 4.2: 90 percent / tetramethylethylenediamine / tetrahydrofuran; hexane / 12 h / -78 - 20 °C 5.1: HCl / ethanol / Heating 6.1: 3.0 g / potassium carbonate / acetone / 5 h / Heating View Scheme

1.1: n-butyl lithium / tetrahydrofuran; hexane / 0.17 h / -78 °C 1.2: 90 percent / tetramethylethylenediamine / tetrahydrofuran; hexane / 12 h / -78 - 20 °C 2.1: HCl / ethanol / Heating 3.1: 3.0 g / potassium carbonate / acetone / 5 h / Heating View Scheme

1: HCl / ethanol / Heating 2: 3.0 g / potassium carbonate / acetone / 5 h / Heating View Scheme

potassium carbonate in acetone 5 h; Heating;