1: cyclopropanecarboxylic acid (2-bromo-4-methoxy-phenyl)-amide With sodium hydride in tetrahydrofuran T=0°C; 0.25 h; Inert atmosphere; 2: methyl iodide in tetrahydrofuran T=0 - 20°C; 16 h; Inert atmosphere;

1.1: tetrahydrofuran / 16 h / 20 °C / |Inert atmosphere 2.1: sodium hydride / tetrahydrofuran / 0.25 h / 0 °C / |Inert atmosphere 2.2: 16 h / 0 - 20 °C / |Inert atmosphere View Scheme