1: diethyl ether / 20 °C / Inert atmosphere 2: sodium tetrahydroborate / methanol / Inert atmosphere View Scheme

1: 2-(phenyl)ethyl bromide With magnesium in tetrahydrofuran 1 h; RefluxInert atmosphere; 2: (E)-hex-4-enoic acid methoxy(methyl)amide in tetrahydrofuran T=-15 - 20°C; Inert atmosphere;

in diethyl ether T=20°C; Inert atmosphere;