1: Methyltriphenylphosphonium bromide With n-butyllithium in tetrahydrofuran T=-20 - 20°C; Inert atmosphere; 2: 4-(2-(4-tert-butylphenyl)vinyl)benzaldehyde in tetrahydrofuran T=20°C; Wittig reaction; 3 h; Inert atmosphere;

n-butyllithium in tetrahydrofuran T=-20°C; Wittig reaction;

n-butyllithium in tetrahydrofuran T=20°C; Wittig Olefination; 3 h; Inert atmosphere;