1: (E,E)-hexa-2,4-dien-1-ol With sodium hydride in tetrahydrofuran; mineral oil T=0 - 20°C; Inert atmosphere; 2: allyl bromide in tetrahydrofuran; mineral oil T=0 - 20°C; Inert atmosphere;

sodium hydride in tetrahydrofuran 0 deg C to rt;