1: 2-amino-1,3-diethylbenzene With n-butyllithium; LiK(OCH2CH2NMe2)2 in various solvent(s) T=20°C; 0.5 h; 2: ethene With Mg(OCH2CH2OEt)2 in various solvent(s) T=80°C; P=7600.51 Torr; 24 h; Further stages.;

Pd-PEPPSI-IPent in tetrahydrofuran; toluene T=0 - 20°C; Negishi coupling reaction; 3 h; Inert atmosphere;

1: CaCO3, H2O / CH2Cl2 View Scheme