1: 2-(3-Bromo-phenyl)-acetic acid With lithium diisopropyl amide in tetrahydrofuran; n-heptane; ethylbenzene T=-78°C; 0.25 h; 2: methyl iodide T=-78 - 20°C;

1: 2-(3-Bromo-phenyl)-acetic acid With lithium diisopropyl amide in tetrahydrofuran; n-heptane; ethylbenzene T=-78°C; 1.25 h; 2: methyl iodide in tetrahydrofuran; n-heptane; ethylbenzene T=-78 - 20°C; 3: With hydrogenchloride; sodium hydroxide more than 3 stages;

1: 2-(3-bromophenyl)-propionic acid With lithium diisopropyl amide in tetrahydrofuran; n-heptane; ethylbenzene T=0°C; 1.25 h; 2: methyl iodide in tetrahydrofuran; n-heptane; ethylbenzene 15.1667 h; 3: With hydrogenchloride; water in tetrahydrofuran; n-heptane; ethylbenzene