in N,N-dimethyl-formamide; butan-1-ol T=0 - 20°C; 0.333333 h;

in butan-1-ol T=0°C; 24 h;

1: (E)-4-pentadien-1-ol With sodium hydride in tetrahydrofuran; mineral oil T=0°C; Inert atmosphere; 2: butyl 3-bromo-3H-diazirine-3-carboxylate in tetrahydrofuran; N,N-dimethyl-formamide; mineral oil T=-40 - 0°C; Inert atmosphere;

in N,N-dimethyl-formamide; butan-1-ol T=0 - 20°C; 0.333333 h;

in butan-1-ol T=0°C; 24 h;

in butan-1-ol T=0°C; 24 h;